AUDI A4 (2008)
Running costs, common problems, and reliability data based on 31,415 real MOT tests in 2024.
MOT Pass Rate
78%
Total Tests (2024)
31,415
Avg Mileage
137,710 mi
Est. Annual Cost
£1,727
Is the 2008 AUDI A4 reliable?
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the AUDI brand average of 90%.
At 16 years old, 78% of AUDI A4s from 2008 passed their MOT first time in 2024. That's based on 31,415 tests across the UK. The average mileage at this age is 137,710 miles.
How does the 2008 AUDI A4 compare?
Mileage Analysis
The average 2008 AUDI A4 has 137,710 miles on the clock, which is in line with the expected 118,400 miles for a 16-year-old car, suggesting normal everyday use.
Best year to buy a AUDI A4?
The most reliable year is the 2021 model with a 96% MOT pass rate, while the 1995 model has the lowest at 61%. The 2008 sits between the two at 78%.
How much does a 2008 AUDI A4 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
AUDI A4 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 96% | 531 | 25,826 mi |
| 2020 | 92% | 13,420 | 39,596 mi |
| 2019 | 91% | 25,771 | 48,333 mi |
| 2018 | 89% | 27,431 | 57,063 mi |
| 2017 | 88% | 41,848 | 70,662 mi |
| 2016 | 85% | 41,258 | 82,779 mi |
| 2015 | 85% | 31,961 | 92,608 mi |
| 2014 | 84% | 33,458 | 102,945 mi |
| 2013 | 84% | 32,559 | 109,938 mi |
| 2012 | 83% | 26,765 | 120,869 mi |
| 2011 | 82% | 26,901 | 130,117 mi |
| 2010 | 80% | 25,855 | 136,452 mi |
| 2009 | 79% | 26,384 | 138,021 mi |
| 2008 | 78% | 31,415 | 137,710 mi |
| 2007 | 77% | 30,996 | 136,433 mi |
| 2006 | 76% | 26,758 | 137,214 mi |
| 2005 | 75% | 15,245 | 139,515 mi |
| 2004 | 74% | 12,946 | 146,260 mi |
| 2003 | 74% | 7,402 | 148,576 mi |
| 2002 | 72% | 3,944 | 156,746 mi |
| 2001 | 74% | 1,748 | 148,131 mi |
| 2000 | 76% | 1,674 | 149,460 mi |
| 1999 | 76% | 2,062 | 160,008 mi |
| 1998 | 75% | 1,597 | 153,893 mi |
| 1997 | 74% | 842 | 161,934 mi |
| 1996 | 77% | 556 | 158,416 mi |
| 1995 | 61% | 208 | 153,421 mi |
Checking a specific AUDI A4?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2008 AUDI A4
The 2008 AUDI A4 is a premium with a 1968cc diesel engine. 31,415 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars 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 137,710 miles at 16 years old, AUDI A4 owners drive about as much as the UK average.
2008 AUDI A4 Fuel Costs
The 1968cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2008 AUDI A4?
Total estimated annual running cost is £1,727 (£144/month), broken down as £1037 fuel, £135 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 78% pass rate. Keeping on top of servicing will help avoid surprises.
AUDI A4 Reliability Trend
Newer AUDI A4s show better MOT pass rates than older ones, with an average improvement of 12 percentage points.
Buying a Used 2008 AUDI A4
At 16 years old, the AUDI A4 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. If you're flexible on year, the 2021 model has the highest pass rate at 96%. With 31,415 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2008 AUDI A4
The AUDI A4 is actually the most reliable option among similar diesel premiums from this era. Here are comparable diesel cars with similar engines:
- VAUXHALL ASTRA (2010) 74% pass rate (-4%) from 92,611 tests
- VOLKSWAGEN GOLF (2010) 77% pass rate (-1%) from 87,733 tests
- VOLKSWAGEN POLO (2010) 74% pass rate (-4%) from 75,715 tests
- HONDA CIVIC (2007) 72% pass rate (-6%) from 45,025 tests