AUDI RS 6 TFSI MHEV QUATTRO AUTO (2021)
Running costs, common problems, and reliability data based on 48 real MOT tests in 2024.
MOT Pass Rate
96%
Total Tests (2024)
48
Avg Mileage
18,884 mi
Est. Annual Cost
£2,037
Is the 2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO reliable?
Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.
At 3 years old, 96% of AUDI RS 6 TFSI MHEV QUATTRO AUTOs from 2021 passed their MOT first time in 2024. That's based on 48 tests across the UK. The average mileage at this age is 18,884 miles.
How does the 2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO compare?
Mileage Analysis
The average 2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO has 18,884 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
How much does a 2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO 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 RS 6 TFSI MHEV QUATTRO AUTO by Year
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About the 2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO
The 2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO is a premium performance with a 3996cc petrol engine. 48 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 21% of all 2021 cars for reliability.
With an average of 18,884 miles at 3 years old, AUDI RS 6 TFSI MHEV QUATTRO AUTO owners drive about as much as the UK average.
2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO Fuel Costs
The 3996cc 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 2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. Note: with only 48 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 AUDI RS 6 TFSI MHEV QUATTRO AUTO
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- MERCEDES C (2019) 91% pass rate (-5%) from 52,838 tests
- PORSCHE CAYENNE (2019) 95% pass rate (-1%) from 9,063 tests
- PORSCHE 911 (2019) 97% pass rate (+1%) from 7,188 tests
- AUDI A6 (2020) 94% pass rate (-2%) from 3,470 tests