CarCostCheck

AUDI A6 (2014)

Running costs, common problems, and reliability data based on 21,808 real MOT tests in 2024.

MOT Pass Rate

88%

Total Tests (2024)

21,808

Avg Mileage

106,355 mi

Est. Annual Cost

£1,577

Is the 2014 AUDI A6 reliable?

Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.

At 10 years old, 88% of AUDI A6s from 2014 passed their MOT first time in 2024. That's based on 21,808 tests across the UK. The average mileage at this age is 106,355 miles.

How does the 2014 AUDI A6 compare?

Rank among all 2014 cars207th out of 562(top 37%)
Rank among all AUDI models771th out of 1,079(top 71%)
vs national average+6% (82% avg)
vs 2014 cars average+7% (81% avg)
vs AUDI average-2% (90% avg)

Mileage Analysis

The average 2014 AUDI A6 has 106,355 miles on the clock, which is above the expected 74,000 miles for a 10-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

Best year to buy a AUDI A6?

The most reliable year is the 2020 model with a 94% MOT pass rate, while the 1997 model has the lowest at 71%. The 2014 sits between the two at 88%.

How much does a 2014 AUDI A6 cost to run?

Fuel (Diesel, 1968cc)
£1,037
🏛️Road Tax
£135
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,577
Per month£131/mo

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

AUDI A6 by Year

YearPass RateTestsAvg Mileage
202193%2,10536,146 mi
202094%3,47042,761 mi
201992%16,65754,594 mi
201892%16,54662,634 mi
201791%19,29675,408 mi
201689%26,43785,249 mi
201589%22,96696,950 mi
201488%21,808106,355 mi
201387%20,882115,551 mi
201286%16,143125,550 mi
201182%13,126135,985 mi
201081%12,471143,668 mi
200981%8,341150,654 mi
200880%11,124156,627 mi
200779%10,782162,839 mi
200678%6,542165,663 mi
200578%3,534163,283 mi
200475%2,156155,383 mi
200374%1,408153,657 mi
200273%771164,916 mi
200178%356157,216 mi
200075%389150,802 mi
199973%410157,368 mi
199876%222151,701 mi
199771%215176,094 mi
199678%316189,126 mi
199576%136162,842 mi
199481%53140,857 mi

Checking a specific AUDI A6?

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About the 2014 AUDI A6

The 2014 AUDI A6 is a premium with a 1968cc diesel engine. 21,808 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2014, the average MOT pass rate is 81%, and this model beats that benchmark.

With an average of 106,355 miles at 10 years old, AUDI A6 owners cover more miles than the average driver.

2014 AUDI A6 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 2014 AUDI A6?

Total estimated annual running cost is £1,577 131/month), broken down as £1037 fuel, £135 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.

AUDI A6 Reliability Trend

Newer AUDI A6s show better MOT pass rates than older ones, with an average improvement of 11 percentage points.

Buying a Used 2014 AUDI A6

At 10 years old, the AUDI A6 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 2020 model has the highest pass rate at 94%. With 21,808 MOT tests in our data, there's strong statistical confidence in these figures.

Alternatives to the 2014 AUDI A6

If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable diesel cars with similar engines: