Is the Audi A5 reliable?

The Audi A5 has an average MOT pass rate of 86% across 15 years, based on 264,862 tests in 2026. That's 4 points above the national average of 82%. The most reliable year is 2021 with a 92% pass rate.

Which year Audi A5 is best?

The 2021 Audi A5 has the highest MOT pass rate at 92%, while the 2010 model has the lowest at 82%. There's a 10 percentage point spread between the best and worst years.

Audi A5

Reliability, running costs, and MOT data across 15 years from 264,862 real MOT tests.

Avg Pass Rate

86%

Total Tests

264,862

Best Year

2021 (92%)

Years Covered

About the Audi A5

The Audi A5 has been tested 264,862 times in 2026 MOT data across 15 model years (2007 to 2021), with an average pass rate of 86%. That's slightly above the national average of 82%. Available as diesel.

Best and Worst Years

The 2021 model is the most reliable with a 92% pass rate from 768 tests. The 2010 model has the lowest at 82%. The 10 point spread between years means reliability varies somewhat, but no year is dramatically different.

Reliability Trend

Newer AUDI A5s show better MOT pass rates than older ones, with an average improvement of 6 percentage points.

Mileage Across Years

The oldest model in our data (2007) averages 141,630 miles, while the newest (2021) averages 29,053 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Compared to the Audi brand average of 90%, the A5 is 4 points lower, placing it among the less reliable Audi models.

Estimated Running Costs

Fuel (Diesel, 1968cc)

£1,037

Road Tax

£195

MOT Test

£55

Predicted Repairs

£200

Total per year£1,487

Per month£124/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Audi A5?

vs national average+4% (82% avg)

vs Audi brand average-4% (90% avg)

Best to worst year spread10 percentage points

Reliability trendImproving over years

Audi A5 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2021	92%	768	29,053 mi
2020	91%	5,513	35,048 mi
2019	90%	22,290	43,034 mi
2018	90%	25,771	52,385 mi
2017	89%	33,531	63,247 mi
2016	88%	17,690	73,631 mi
2015	87%	22,720	82,750 mi
2014	86%	23,251	92,783 mi
2013	85%	23,409	98,721 mi
2012	85%	20,845	106,193 mi
2011	83%	21,339	112,687 mi
2010	82%	22,181	119,440 mi
2009	82%	13,400	125,967 mi
2008	83%	8,932	132,636 mi
2007	82%	3,222	141,630 mi