Audi TT (2021)

Estimated running costs and MOT pass rates from 5,212 MOT tests in 2024.

Annual Cost

£2,413

£201/month

MOT Pass Rate

93%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 25-38

2480cc Petrol

Great Choice

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

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Petrol2480cc5 years old5,212 tests20k miles avg

Annual Running Costs

Fuel (Petrol, 2480cc)

~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 TTs from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 5,212 tests across the UK, retests included. The average mileage recorded at those tests was 19,822 miles.

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How Does It Compare?

Rank among 2021 models1422nd of 3,336(top half)

Rank among Audi models404th 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

19,822

Average miles

22,200

Expected for age

The average 2021 Audi TT had 19,822 miles on the clock at its 2024 MOT, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

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Best Year to Buy?

Of the years with at least 100 tests, the 2019 model has the highest MOT pass rate at 94%, while the 1999 model has the lowest at 71%. The 2021 scores 93%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Audi TT by Year

Year	Pass Rate	Tests	Avg Mileage
2022	91%	142	17,628 mi
2021	93%	5,212	19,822 mi
2020	94%	8,246	25,459 mi
2019	94%	10,992	30,915 mi
2018	93%	9,182	39,684 mi
2017	93%	16,631	46,673 mi
2016	92%	20,366	54,925 mi
2015	91%	20,448	63,071 mi
2014	89%	8,793	67,426 mi
2013	89%	13,857	74,262 mi
2012	88%	11,843	81,074 mi
2011	85%	14,831	88,238 mi
2010	83%	14,576	95,701 mi
2009	84%	13,657	100,322 mi
2008	81%	16,046	102,983 mi
2007	80%	17,399	105,693 mi
2006	76%	6,210	106,656 mi
2005	75%	7,231	103,235 mi
2004	74%	9,552	106,039 mi
2003	74%	9,426	110,540 mi
2002	73%	8,289	116,865 mi
2001	74%	5,222	117,459 mi
2000	72%	3,524	117,831 mi
1999	71%	987	122,142 mi

Similar Cars to Consider

Mercedes A

2021 · 1991cc Petrol

£2,086/year

94%

+1%

Volvo XC40

2020 · 2000cc Petrol

£2,086/year

93%

same

Ford Ranger

2021 · 2400cc Petrol

£2,413/year

90%

-3%

Jaguar F-Pace

2019 · 1997cc Petrol

£2,086/year

91%

-2%

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About the 2021 Audi TT

The 2021 Audi TT is a premium car. Our records list a 2480cc petrol engine, though engines vary between versions. 5,212 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 19,822 miles recorded at its 2024 MOT tests, Audi TT owners drive about as much as the UK average.

2021 Audi TT Fuel Costs

The 2480cc petrol engine offers a reasonable balance between performance and economy. 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 TT?

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.

Audi TT Reliability Trend

Newer Audi TTs pass their MOT more often than older ones, by 15 percentage points on average, which is mostly down to age and wear.

Buying a Used 2021 Audi TT

At 5 years old, the Audi TT offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2019 model has the highest pass rate at 94%. With 5,212 MOT tests in our data, there's strong statistical confidence in these figures.

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 TT 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 TT(2021)	93%	£1,958	£200	Grp 25-38	£2,413
Mercedes A(2021)	94%	£1,631	£200	Grp 18-32	£2,086-£327
Volvo XC40(2020)	93%	£1,631	£200	Grp 18-32	£2,086-£327
Ford Ranger(2021)	90%	£1,958	£200	Grp 25-38	£2,413same
Jaguar F-Pace(2019)	91%	£1,631	£200	Grp 18-32	£2,086-£327

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 TT

Is the 2021 Audi TT reliable?

Excellent reliability. Very few MOT failures. 93% of MOT tests on 2021 Audi TTs ended in a pass, from 5,212 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 TT 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 TT?

93% of 5,212 MOT tests on the 2021 Audi TT ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 1422nd of 3,336 models first registered in 2021 (top half).

Which year Audi TT has the best MOT pass rate?

Of the years with at least 100 tests, the 2019 Audi TT has the highest MOT pass rate at 94% and the 1999 the lowest at 71%. 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 TT?

The average mileage recorded at MOT tests on the 2021 Audi TT is 19,822 miles, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.