CarCostCheck

AUDI RS4 (2008)

Running costs, reliability data, and common problems from 65 real MOT tests.

Annual Cost

£2,757

£230/month

MOT Pass Rate

82%

Good

Road Tax

£760

Based on CC/year

Insurance

Grp 35-50

4163cc Petrol

Solid Option

82% pass rate, £2757/year to run. Close to the national average.

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Petrol4163cc18 years old65 tests76k miles avg

Annual Running Costs

Fuel (Petrol, 4163cc)

~30 mpg

£1,592
Road Tax

Based on 4163cc

£760
MOT Test
£55
Predicted Repairs
£350
Total per year£2,757
Per month£230/mo
Per week£53/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

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Reliability Verdict

82% MOT pass rate(Good)
0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the AUDI brand average of 90%.

At 18 years old, 82% of AUDI RS4s from 2008 passed their MOT first time in 2026. That's based on 65 tests across the UK. The average mileage at this age is 75,550 miles.

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How Does It Compare?

Rank among 2008 cars178th of 589(top 30%)
Rank among AUDI models939th of 1,079(top 87%)
vs national average+0%(82% avg)
vs 2008 cars average+9%(73% avg)
vs AUDI average-8%(90% avg)

Mileage Analysis

75,550

Average miles

vs

133,200

Expected for age

The average 2008 AUDI RS4 has 75,550 miles on the clock, which is below the expected 133,200 miles for a 18-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2013 model with a 93% MOT pass rate, while the 2008 model has the lowest at 82%. Consider a different year if reliability is a priority.

AUDI RS4 by Year

YearPass RateTestsAvg Mileage
2018100%4752,521 mi
201595%3774,001 mi
201492%56571,209 mi
201393%56975,464 mi
200882%6575,550 mi
200785%68493,877 mi
200687%70497,890 mi

Similar Cars to Consider

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About the 2008 AUDI RS4

The 2008 AUDI RS4 is a premium performance with a 4163cc petrol engine. 65 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2008, the average MOT pass rate is 73%, and this model beats that benchmark.

With an average of 75,550 miles at 18 years old, AUDI RS4 owners tend to use this car less than the typical driver.

2008 AUDI RS4 Fuel Costs

The 4163cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2008 AUDI RS4?

Total estimated annual running cost is £2,757 230/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 82% pass rate. Keeping on top of servicing will help avoid surprises.

AUDI RS4 Reliability Trend

The AUDI RS4 has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.

Buying a Used 2008 AUDI RS4

At 18 years old, the AUDI RS4 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. Note: with only 65 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2008 AUDI RS4's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 18 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.

Oil Consumption

Medium risk

Larger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2008 AUDI RS4 stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
AUDI RS4(2008)82%£1592£760Grp 35-50£2757
JAGUAR XF(2008)78%£1592£250Grp 35-50£2397-£360
LAND ROVER RANGE ROVER(2006)80%£1592£250Grp 35-50£2247-£510
VOLVO XC90(2009)78%£1592£250Grp 35-50£2397-£360
PORSCHE 911(2006)90%£1592£250Grp 35-50£2097-£660

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.

Related Audi Models

Explore other Audi cars or similar models in the same category.

Related Guides

In-depth articles relevant to the Audi Rs4.

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