Are Audi S4 Reliable? (Answered) - MotorAsk (2022)

The Audi S4 is known as a high-performance luxury vehicle.

It is the sportier option compared to the Audi A4 and has six cylinders instead of four with a powerful 349 horsepower.

However, consumers are also concerned about reliability when it comes to their next vehicle purchase.

So, are Audi S4s reliable?

The Audi S4 is slightly less reliable than its competitors. Still, you can expect an Audi S4 to last over 100k miles without any significant repairs and up to 200k or 14 years as long as you take it in for regular maintenance and service.

Read on to find out the specifics about the reliability of the Audi S4 and some of the concerns that owners have had about the vehicle.

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Are Audi S4 Reliable? (Answered) - MotorAsk (1)

How Reliable Is the Audi S4?

The reliability scores for the Audi S4 are a little bit mixed.

RepairPal gives the Audi S4 a measly 2.0 out of 5.0 for reliability.

This ranks the S4 27th out of 31 luxury midsize cars.

This is because the repair cost is higher than other vehicles and the frequency and severity of repairs are also higher.

Consumer Reports highlights the performance as a high point but also criticizes the steering and steep repair costs.

(Video) this radiation makes me kinda itchy...

You might also like: Why Are Audis So Expensive?

How Long Do Audi S4s Usually Last?

You can expect an Audi S4 to last at least 60k miles with only routine maintenance.

However, many owners have no problems until well over 100k miles.

After that, as long as the car is well-maintained, you can expect it to last up to 200k miles.

If you drive an average of 14,300 miles per year, then you can expect it to last around 14 years at 200k miles.

Related Article: Are Audis Good in the Snow? (Answered)

Do Audi S4s Have Any Problems?

Most of the problems that Audi S4s have prior to hitting 100k miles are not very costly.

However, there are a few problems that are more common than others.

The most-reported problem is water pump failure, which is an easy and relatively affordable fix.

Some of the other minor issues include problems with the fuel pumps, ignition coils, chain tensioners, and ignition systems.

A lot of owners have trouble with misfires caused by bad coil packs.

This usually occurs between 40k and 50k miles in an Audi S4.

It can lead to fuel buildup in the cylinder leading to cylinder misfires, rough idling, and poor acceleration.

The most common expensive problem requiring major repairs in Audi S4s are issues impacting the DSG transmissions.

Most of the problems happen in the Mechatronics unit and cost $4k and up to repair.

This type of failure can lead to poor shifting between 1st and second gears.

If this is to be a problem, it will likely occur sometime after 20k miles.

Why Are Audi S4s So Cheap?

Used Audi S4s tend to be cheap because repairs on Audis with higher mileage are expensive.

Most problems tend to happen after 50k or 100k miles and owners often trade them in at that point in order to avoid rising maintenance costs.

How Reliable Are Audi S4s Compared To Other Cars?

If you are thinking about purchasing a new or used Audi S4, you probably want to know if it is reliable when compared to competitors.

Let’s take a look at the Audi S4 compared with some of the most common alternatives.

Audi S4 vs. RS4

Most owners and experts agree that the increase in price to the RS4 is worth it for reliability if you can afford to pay the cost.

While they both have similar minor problems, specifically water pump and fuel pump issues, the frequency and severity of repairs for the S4 are much higher after 50k miles.

RepairPal gave a 3.0 out of 5.0 rating for the RS4 and the average repair costs are also lower.

Audi S4 vs S5

The reliability of the Audi S4 and the Audi S5 is comparable.

This is because they are basically the same car except the S4 has two more doors.

According to RepairPal, which gave both a score of 2.0 out of 5.0, both models fall short when it comes to reliability.

Audi S4 vs. BMW 340i

Reliability scores for the BMW are slightly higher than with the Audi according to RepairPal.

However, JD Power gave the BMW 340i a score of 77/100, one point below the score awarded to the Audi S4.

Still, their reliability is very similar and most people do not have any issues in the first 50k to 100k miles as long as you maintain the vehicle properly.

Are Audi S4s Expensive To Maintain?

German vehicles, including the Audi S4, are generally more expensive to maintain and repair than other brands.

The average annual maintenance costs for the Audi S4 come to $1171.

This is substantially more expensive than the overall average vehicle repair cost of $651 per year.

Compared with other German luxury car brands, Audi S4s cost around the same amount to maintain.

For example, the average maintenance cost for a BMW 340i is $1035 annually and the Mercedes-Benz S550’s average yearly repair costs total $1249.

Are Audi S4 Parts Expensive?

Compared with U.S. car makers like Ford and Dodge, the replacement parts for an Audi S4 may seem expensive, but they are typically less expensive than other German luxury brands.

Check out the replacement costs for different parts including the replacement service in the table below.

Remember that parts usually make up 80 to 120 percent of the total cost of repairs and service.

Part and ServiceAverage Cost
Camshaft$2395 to $2756
Clutch Master Cylinder$604 – $694
Window Regulator Motor$340 – $375
Horn Relay$85 – $97
Air Conditioning Receiver Drier Assembly$182 – $277
Clutch$2419 – $2725
ABS Control Module$1539 – $1660
Serpentine Belt$209 – $295
Alternator$984 – $1178
Emergency Brake Cable$388 – $449
Catalytic Converter$2948 – $3107
Exhaust Muffler$2906 – $2946

What Audi S4 Year Is Most Reliable?

The most reliable year for the Audi S4 is 2012, but it is good to look at the reliability for each year to get an accurate picture of the changes.

Is the 2004 Audi S4 Reliable?

The 2004 Audi S4 is fairly reliable, especially considering its age.

It is moderately reliable and more reliable than some of the other years.

While some owners have multiple issues, the most common issues are minor for 2004 Audi S4s.

Is the 2005 Audi S4 Reliable?

The 2005 Audi S4 is known to be moderately reliable when compared to models from other years.

While the most frequent problems are minor, owners have also had issues with the engine and transmission.

Is the 2010 Audi S4 Reliable?

Compared with other luxury midsize vehicles from 2010, the Audi S4 is somewhat less reliable.

This year is less likely to have a high resale value compared to other models and years.

Is the 2012 Audi S4 Reliable?

2012 is the most reliable year for the Audi S4 and you can expect it to perform well with only minor repairs until you have accumulated a significant amount of mileage.

After that, the frequency of severe problems is less than in other generations of the S4.

Is the 2013 Audi S4 Reliable?

The 2013 Audi S4 is very reliable.

Most of the issues are minor, but some owners have experienced brake problems and rattling in addition to minor complications.

Is the 2014 Audi S4 Reliable?

The 2014 Audi S4 is very reliable and typically does not cause severe problems at low mileage as long as the owner maintains the vehicle properly.

What Audi S4 Years are Least Reliable?

According to TrueDelta, the least reliable years for the Audi S4 are 2006, 2007, and 2008.

Not only are these the most frequently repaired years for minor servicing, but they also experience more problems with the engine, brakes, and transmission compared with other generations of the vehicle.

Audi S4 Reliability – Final Thoughts

When cared for properly, the Audi S4 does not cause any problems before hitting 100k miles.

At that point, many owners question the reliability, more so than vehicles made by some of Audi’s competitors.

However, for many people, the biggest issue is the high cost of repairs and parts.

Taking care of the vehicle can limit the repair costs and extend the life, but you should take all of the information into account before purchasing an Audi S4.

Article Sources:

  • RepairPal
  • https://www.consumerreports.org/cars/audi/s4/

FAQs

Is the Audi S4 Engine reliable? ›

The 3.0T engine, as supplied in the Audi S4, has proved to be quite reliable. Outside of some basic issues with leaking water pumps and thermostats on very early cars, the 3.0t doesn't suffer from major issues such as the oil consumption problem seen on the 2.0t.

Is a used Audi S4 reliable? ›

Overall Reliability Ratings: Is The Audi S4 Reliable? Overall the Audi S4 reliability is 42.8 and that makes it not very reliable. The chart below illustrates exactly how this ranks compared to some other cars, but the average overall rating is 57 as some comparison.

How many miles will a Audi S4 last? ›

If this is applied, your Audi S4 may last for more or less 150,000 to 200,000 miles. Note that the capacity per mile depends on the way you manage the car. Keep it maintained and if certain problems are observed, let it be examined by experts immediately before it worsens.

Is an Audi S4 expensive to maintain? ›

An Audi S4 will cost about $9,345 for maintenance and repairs during its first 10 years of service. This beats the industry average for luxury sedan models by $2,616. There is also a 26.81% chance that a S4 will require a major repair during that time.

What problems does the Audi S4 have? ›

Audi S4 Common Problems
  • Failed Thermostat. Owners have reported that the 2004 to 2011 Audi S4 can overheat because of a faulty thermostat. ...
  • Turbo Failure. The turbochargers on some 1997 to 2001 Audi S4 are known to fail. ...
  • Engine Oil Leaks. ...
  • Premature Brake Wear.
23 Sept 2021

Are Audi S series reliable? ›

In reality, according to their 'Dependability Rating' scale, Audi actually ranked 28th out of 36 brands for reliability in 2019. They calculated the rating based on the number of reported faults and breakdowns.

Is S4 B8 reliable? ›

Due to the DSG transmission problems being so common, the B8 S4 is considered somewhat unreliable and expensive to own. If you are looking at an S4, choosing one made after 2012 will result in fewer problems.

Is a 2016 Audi S4 reliable? ›

The NHTSA gave the 2016 S4 a five-star overall safety rating (out of a possible five stars). In IIHS evaluations, the car received a Good score in four crash tests and Poor in the small overlap front test (Good is the highest possible score).

Is a 2013 S4 reliable? ›

How reliable is the 2013 Audi S4? All in all, the 2013 Audi S4 is a pretty reliable luxury sports sedan—with the majority of its “major” problems, being more like minor annoyances. J.D. Power issued the S4 a Quality and Reliability rating of 87/100—placing the model well within their “Good” category.

What does the S stand for in Audi S4? ›

Sport. The characteristics and costs of these cars are equated to cars belonging to the supercar class. RS models is Audi's highest performance 'top-tier' trim level, positioned distinctly above the "S" ("Sport") specification level of Audi's regular model range. 8 Sept 2020.

What is considered high mileage for an Audi? ›

Ideally, you'll want something with less than 75,000 miles. However, a cheap used car with 100,000 miles on it will likely last you 4 more years. Depending on your needs, that could be a great investment.

Is Audi S4 a sports car? ›

With legendary quattro® all-wheel drive, a turbocharged V6 engine, and sculpted body lines, the Audi S4 is at the head of the sport sedan class.

Do Audis break down a lot? ›

Overall, Audi currently ranks 28th in dependability out of 32 car brands. You can expect a properly driven and maintained Audi to last 150,000-200,000 miles or 10 to 13 years. In general, Audis are known for their Quattro all-wheel-drive system, technology, style, performance, and well-crafted interiors.

Why is Audi oil change so expensive? ›

This is largely because Audi is considered a luxury car, on par with BMW or Mercedes-Benz, and therefore, requires higher-quality oil and specialized filters. Keeping an Audi in prime condition means paying a higher rate for regular maintenance, but it helps ensure you can drive it for many years to come.

Is BMW or Audi more reliable? ›

While BMW and Audi are both highly reliable brands, Audi ultimately comes out on top because of its extra warranty coverage and additional safety features.

Where are Audi S4 built? ›

All versions of the S4 have been manufactured at Audi's plant in Ingolstadt, Germany; they are, or have been available as a four-door five-seat saloon and a five-door five-seat Avant (Audi's name for an estate car/station wagon) body styles since the model's inception in 1991.

Is a 2018 Audi S4 reliable? ›

The 2018 Audi S4 Is Not Super Reliable

WithClutch only scores the S4 a 43 out of 100 for its reliability, lower even than Audi's average overall score of 52. Yearly maintenance costs are relatively high, at $1,171, versus the average yearly repair cost of $651.

Does the 2005 Audi S4 have a timing belt? ›

Newer models use timing belts made of polyurethane and Kevlar for long life and durability. They can go as long as 100,000 miles although it's always a good idea to change it before then. Belt failure can cause extensive damage to the valves, pistons and other internal parts of the engine.

Which Audi engine is most reliable? ›

Because Volkswagen owns Audi, the two brands often share engines. And as with used Volkswagens, the 1.8-liter and 2.0-liter turbocharged four-cylinder engines tend to be the most reliable.

Which model Audi is reliable? ›

In addition to the A4 being named most reliable car of 2019, Audi also has the most models in the top 15, with the Audi A1 debuting in 10th, and the A3 coming in 11th.
...
Volkswagen.
1 (5)Audi A4
10 (new)Audi A1
8 more rows
6 Nov 2019

Where is Audi rank reliability? ›

Audi Reliability Rating Breakdown. The Audi Reliability Rating is 3.0 out of 5.0, which ranks it 28th out of 32 for all car brands. This rating is based on an average across 345 unique models. The average annual repair cost for a Audi is $987, which means it has average ownership costs.

What engine is in a Audi S4? ›

What Engine Is in the Audi S4? The S4 is powered by a 3.0-liter turbocharged V-6 producing 349 hp and 369 lb-ft of torque. With an eight-speed automatic transmission routing output to standard Quattro AWD, the S4 does the 0-60-mph sprint in 4.2 seconds.

Does the B8 S4 have DSG? ›

No, the VW is a transverse, B8 S4 is a longitudinal.

Is the Audi 3.0 Turbo reliable? ›

Let first start by saying the 3.0T Supercharged Audi engine is a very solid engine. It is not particulary failure prone and would be the most reliable S model engine to date.

Is the 2014 Audi S4 reliable? ›

The 2014 Audi S4 is very reliable and typically does not cause severe problems at low mileage as long as the owner maintains the vehicle properly.

Is an Audi A4 reliable? ›

The Audi A4 Reliability Rating is 3.5 out of 5.0, which ranks it 14th out of 31 for luxury midsize cars. The average annual repair cost is $739 which means it has average ownership costs. The frequency and severity of repairs are both fairly average when compared with all other vehicles.

Is an Audi S5 reliable? ›

The Audi S5 Reliability Rating is 2.0 out of 5.0, which ranks it 30th out of 31 for luxury midsize cars. The average annual repair cost is $1,164 which means it has poor ownership costs.

How reliable are Audi S3? ›

Although the S3 didn't figure as a standalone car in our most recent reliability survey, the A3 on which it's based did, and it finished 16th out of 25 cars in the family car class with an overall score of 98%. Audi as a brand finished in 18th place out of 30 manufacturers in our most recent reliability survey.

What is a B8 5 Audi? ›

The B8/8.5 chassis code represents the fifth generation of mid-sized Audi sedans, coupes, convertibles, and Avants produced from 2008-2016. The model range slots above the compact "A" chassis include the A3, S3, and TT, and below the "C" chassis that consists of the A6 and S6.

Is the Audi S6 reliable? ›

Audi S6 Reliability Problems. S6 owners have made 1 complaint over 20 model years. Using our PainRank™ system we've ranked it 3rd in overall reliability out of 19 Audi models , with plenty of transmission concerns.

Is S-Line better than sport? ›

Go for S Line trim on your new Audi and you get a more aggressive bodykit, interior tweaks as well as lowered suspension for a more engaging driving experience. S Line cars will feel slightly sportier to drive, but they still have the standard Audi range of engines so won't be any faster than the standard car.

How fast can an Audi S4 go? ›

I've seen a APR tuned S4 going about 185 MPH in Germany. I'd say at least 170mph - she'll do 155mph with ease. I was doing a bit of a road trip this weekend and was surprised how stable and controllable the car felt at 120-130mph.

Is Black Edition better than S-Line? ›

Black Edition models have the same sporty looks as S line cars but, as the name suggests, the parts of an S line that would be finished in chrome get the matt black treatment instead.

How long do Audi engines last? ›

The Audi Q7 will last between 150,000 and 200,000 miles. The Audi Q8 will last between 200,000 and 250,000 miles. The Audi R8 will last between 100,000 and 150,000 miles. The Audi TT will last between 100,000 and 150,000 miles.

Which car has the best longevity? ›

Longest-Lasting Cars: Toyota's Land Cruiser Easily Wins the Top Spot
Longest-Lasting Vehicles to Reach 200k Miles – iSeeCars Study
RankVehicle% of Cars Over 200k Miles
1Toyota Land Cruiser16.3%
2Toyota Sequoia11.2%
3Chevrolet Suburban5.1%
14 more rows
28 Feb 2022

Are Audi's expensive to maintain? ›

Audis are expensive cars to maintain. According to RepairPal, the average annual Audi repair cost is $987. This is much higher than the average across all brands, which is $652.

Is the Audi S4 fun to drive? ›

Verdict The S4 is a fun ride geared closer to comfort than its high-horsepower sports sedan competitors.

Is the Audi S4 supercharged or turbocharged? ›

The biggest news on the B9 S4's launch was the switch from supercharged to turbocharged technology, plus the adoption of an eight-speed automatic gearbox instead of the previous car's dual-clutch S-tronic transmission.

What does TFSI stand for? ›

The TFSI (Turbo fuel stratified injection) is the world's first turbocharged direct injection engine. This system produces higher power output and optimum engine response, all while providing greater fuel efficiency and reduced emissions.

Which Audi engine is most reliable? ›

Because Volkswagen owns Audi, the two brands often share engines. And as with used Volkswagens, the 1.8-liter and 2.0-liter turbocharged four-cylinder engines tend to be the most reliable.

Is the Audi 2.0 TFSI engine reliable? ›

Is the Audi 2.0 TFSI Engine Reliable? Overall we would say, yes! The 2.0 TFSI engine has been used in many different models in multiple continents and for many years, it's clear it must be at least somewhat reliable.

Is the Audi 3.0 supercharged engine reliable? ›

Let first start by saying the 3.0T Supercharged Audi engine is a very solid engine. It is not particulary failure prone and would be the most reliable S model engine to date.

What kind of engine does the Audi S4 have? ›

The S4 is powered by a 3.0-liter turbocharged V-6 producing 349 hp and 369 lb-ft of torque. With an eight-speed automatic transmission routing output to standard Quattro AWD, the S4 does the 0-60-mph sprint in 4.2 seconds.

Which German car is most reliable? ›

Who makes the most reliable German cars?
  1. Porsche.
  2. Audi. ...
  3. Mercedes-Benz. ...
  4. BMW. The ultimate driving machine. ...
  5. Volkswagen. Volkswagen has been Europe's largest car manufacturer for decades. ...
  6. Opel. Opel is one of the oldest automobile manufacturers in the world. ...
25 May 2022

Are Audis expensive to fix? ›

Are Audis more expensive to maintain? Audis are expensive cars to maintain. According to RepairPal, the average annual Audi repair cost is $987. This is much higher than the average across all brands, which is $652.

Do Audi have transmission problems? ›

Audi automatic transmission problems

Harsh shifting or binding up. Surging sensation when accelerating from a standstill. Loss of reverse gear (a common problem on Audi A4 CVT) Loss of gearshifts (stuck in one gear)

Is TFSI better than TDI? ›

According to Audi's official figures the obvious benefit of the tdi is better economy but it is slower than the tfsi. Now if the tfsi was cheaper to buy it would be a no brainer as we wouldn't cover enough miles to reap the benefits of diesel.

Are Audi TFSI engines good? ›

In most cases, the Audi TFSI engine has proved reliable but, as with all engines, correct and timely maintenance is the key to longevity. Pre-2012 TFSI engines may have higher-than-average oil consumption, which could be nothing to worry about but in some cases signifies that the piston rings in the engine may be worn.

How long do Audi Turbos last? ›

A turbo's life-cycle is around 100K to 150K miles, it's possible for them to wear out over time depending on how hard you drive the car. Although the turbo is stable but it will not last forever. It will need replacing eventually.

What does TFSI stand for? ›

The TFSI (Turbo fuel stratified injection) is the world's first turbocharged direct injection engine. This system produces higher power output and optimum engine response, all while providing greater fuel efficiency and reduced emissions.

How reliable is the 3.0 T engine? ›

Audi 3.0T Reliability

Audi's 3.0T engine is known to be one of the most reliable engines to date, although the laundry list of problems above may tell you otherwise. Aside from the common water pump and thermostat leaks in the early 3.0T's, this is a solid engine.

Is the Audi 3.0 turbo engine reliable? ›

With forced induction from a Roots-type supercharger, this engine is capable of some impressive power figures rivaling and outperforming V8s used in older Audi models. As far as Audi engines go, this one has been incredibly robust, with few major issues plaguing owners.

Is an Audi S4 a fast car? ›

The B5 S4 claims acceleration from 0 to 100 km/h (0.0 to 62.1 mph) in 5.7 seconds, and has an electronically limited top speed of 250 km/h (155.3 mph), making it both the quickest saloon/sedan in the Audi model line, and among the quickest saloon/sedans in the world at that time.

What does the S in Audi S4 stand for? ›

The characteristics and costs of these cars are equated to cars belonging to the supercar class. RS models is Audi's highest performance 'top-tier' trim level, positioned distinctly above the "S" ("Sport") specification level of Audi's regular model range.

Is Audi S4 a sports car? ›

With legendary quattro® all-wheel drive, a turbocharged V6 engine, and sculpted body lines, the Audi S4 is at the head of the sport sedan class.

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