Audi A6

Reliability, estimated running costs, and MOT data across 28 model years from 238,662 MOT tests in 2024.

Avg Pass Rate

82%

Total Tests

238,662

Highest Pass Rate

2020 (94%)

Years Covered

About the Audi A6

The Audi A6 was MOT tested 238,662 times in 2024 (DVSA data, retests included) across 28 model years (1994 to 2021), with an average pass rate of 82%. That's close to the average of 82% across all models in our data. Our records list petrol and diesel versions.

Best and Worst Years

Of the years with at least 100 tests, the 2020 model has the highest pass rate at 94% from 3,470 tests. The 1997 model has the lowest at 71%. With a 23 point gap, the year you choose makes a real difference. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer Audi A6s pass their MOT more often than older ones, by 12 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (1994) averages 140,857 miles, while the newest (2021) averages 36,146 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Compared to the Audi brand average of 90%, the A6 is 8 points lower, placing it among the less reliable Audi models.

Estimated Running Costs

Fuel (Petrol, 1984cc)

£1,631

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£2,086

Per month£174/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Audi A6?

vs average of all models+0% (82% avg)

vs Audi brand average-8% (90% avg)

Best to worst year spread23 percentage points

Reliability trendImproving over years

Audi A6 by Year

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

Year	Pass Rate	Tests	Avg Mileage
2021	93%	2,105	36,146 mi
2020	94%	3,470	42,761 mi
2019	92%	16,657	54,594 mi
2018	92%	16,546	62,634 mi
2017	91%	19,296	75,408 mi
2016	89%	26,437	85,249 mi
2015	89%	22,966	96,950 mi
2014	88%	21,808	106,355 mi
2013	87%	20,882	115,551 mi
2012	86%	16,143	125,550 mi
2011	82%	13,126	135,985 mi
2010	81%	12,471	143,668 mi
2009	81%	8,341	150,654 mi
2008	80%	11,124	156,627 mi
2007	79%	10,782	162,839 mi
2006	78%	6,542	165,663 mi
2005	78%	3,534	163,283 mi
2004	75%	2,156	155,383 mi
2003	74%	1,408	153,657 mi
2002	73%	771	164,916 mi
2001	78%	356	157,216 mi
2000	75%	389	150,802 mi
1999	73%	410	157,368 mi
1998	76%	222	151,701 mi
1997	71%	215	176,094 mi
1996	78%	316	189,126 mi
1995	76%	136	162,842 mi
1994	81%	53	140,857 mi

Questions about the Audi A6

Is the Audi A6 reliable?

Across its 28 model years in our data (1994 to 2021), the Audi A6 averages an 82% MOT pass rate, from 238,662 tests (DVSA MOT data for tests in 2024, retests included). That's level with the average of 82% across all models in the same data. The 2020 model has the highest pass rate of the years with at least 100 tests, at 94%.

Which year Audi A6 has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Audi A6 has the highest MOT pass rate at 94%, while the 1997 model has the lowest at 71%, a 23 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.