Audi RS 5 Carbon Black TFSI Quat A (2021)

Estimated running costs and MOT pass rates from 699 MOT tests in 2024.

Annual Cost

£2,413

£201/month

MOT Pass Rate

93%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 30-42

2894cc Petrol

Great Choice

93% pass rate, £2,413/year to run. 11 points above average.

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Petrol2894cc5 years old699 tests28k miles avg

Annual Running Costs

Fuel (Petrol, 2894cc)

~30 mpg

£1,958

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,413

Per month£201/mo

Per week£46/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).

Reliability Verdict

93% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 11 points above the average of 82% across all models in our data.

93% of MOT tests on Audi RS 5 Carbon Black TFSI Quat As from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 699 tests across the UK, retests included. The average mileage recorded at those tests was 27,502 miles.

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How Does It Compare?

Rank among 2021 models1556th of 3,336(top half)

Rank among Audi models435th of 1,066(top half)

vs average of all models+11%(82% avg)

vs 2021 models average+1%(92% avg)

vs Audi average+3%(90% avg)

Mileage Analysis

27,502

Average miles

22,200

Expected for age

The average 2021 Audi RS 5 Carbon Black TFSI Quat A had 27,502 miles on the clock at its 2024 MOT, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

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Best Year to Buy?

Of the years with at least 100 tests, the 2020 model has the highest MOT pass rate at 94%, while the 2021 model has the lowest at 93%. Consider a different year if reliability is a priority. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Audi RS 5 Carbon Black TFSI Quat A by Year

Year	Pass Rate	Tests	Avg Mileage
2021	93%	699	27,502 mi
2020	94%	390	29,935 mi

Similar Cars to Consider

BMW 5 Series

2019 · 2998cc Petrol

£2,413/year

92%

-1%

BMW X3

2019 · 2998cc Petrol

£2,413/year

92%

-1%

Ford Ranger

2021 · 2400cc Petrol

£2,413/year

90%

-3%

Mercedes GLC

2019 · 2996cc Petrol

£2,413/year

93%

same

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About the 2021 Audi RS 5 Carbon Black TFSI Quat A

The 2021 Audi RS 5 Carbon Black TFSI Quat A is a premium performance car. Our records list a 2894cc petrol engine, though engines vary between versions. 699 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. Among all models from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 27,502 miles recorded at its 2024 MOT tests, Audi RS 5 Carbon Black TFSI Quat A owners cover more miles than the average driver.

2021 Audi RS 5 Carbon Black TFSI Quat A Fuel Costs

The 2894cc 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 £1,958 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).

What does it cost to own a 2021 Audi RS 5 Carbon Black TFSI Quat A?

Total estimated annual running cost is £2,413 (£201/month), broken down as £1,958 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 Audi RS 5 Carbon Black TFSI Quat A

At 5 years old, the Audi RS 5 Carbon Black TFSI Quat A offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

Oil Consumption

Low risk

Larger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2021 Audi RS 5 Carbon Black TFSI Quat A stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
Audi RS 5 Carbon Black TFSI Quat A(2021)	93%	£1,958	£200	Grp 30-42	£2,413
BMW 5 Series(2019)	92%	£1,958	£200	Grp 30-42	£2,413same
BMW X3(2019)	92%	£1,958	£200	Grp 30-42	£2,413same
Ford Ranger(2021)	90%	£1,958	£200	Grp 25-38	£2,413same
Mercedes GLC(2019)	93%	£1,958	£200	Grp 30-42	£2,413same

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2021 Audi RS 5 Carbon Black TFSI Quat A

Is the 2021 Audi RS 5 Carbon Black TFSI Quat A reliable?

Excellent reliability. Very few MOT failures. 93% of MOT tests on 2021 Audi RS 5 Carbon Black TFSI Quat As ended in a pass, from 699 tests (DVSA MOT data for tests in 2024, retests included). That's 11 points above the average of 82% across all models in the same data.

How much does a 2021 Audi RS 5 Carbon Black TFSI Quat A cost to run?

Our estimate is £2,413 a year (£201 a month): £1,958 fuel, £200 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2021 Audi RS 5 Carbon Black TFSI Quat A?

93% of 699 MOT tests on the 2021 Audi RS 5 Carbon Black TFSI Quat A ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 1556th of 3,336 models first registered in 2021 (top half).

Which year Audi RS 5 Carbon Black TFSI Quat A has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Audi RS 5 Carbon Black TFSI Quat A has the highest MOT pass rate at 94% and the 2021 the lowest at 93%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2021 Audi RS 5 Carbon Black TFSI Quat A?

The average mileage recorded at MOT tests on the 2021 Audi RS 5 Carbon Black TFSI Quat A is 27,502 miles, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.