Is the 2021 AUDI TT reliable?

Excellent reliability. Very few MOT failures. 93% of AUDI TTs from 2021 passed their MOT first time in 2026, based on 5,212 tests. That's 11 points above the national average of 82%.

How much does a 2021 AUDI TT cost to run?

Estimated annual running cost is £2,042 (£170/month), including £1592 fuel, £195 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2021 AUDI TT?

The 2021 AUDI TT has a 93% MOT pass rate based on 5,212 tests in 2026. This ranks 1449 out of 3373 cars from 2021.

Which year AUDI TT is most reliable?

The 2019 AUDI TT has the highest MOT pass rate at 94%. The least reliable year is 1999 at 71%.

AUDI TT (2021)

Q: What is the average mileage for a 2021 AUDI TT?

The average mileage for a 2021 AUDI TT is 19,822 miles, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 5,212 real MOT tests.

Annual Cost

£2,042

£170/month

MOT Pass Rate

93%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 25-38

2480cc Petrol

Great Choice

93% pass rate, £2042/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

£1,592

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,042

Per month£170/mo

Per week£39/wk

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

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Reliability Verdict

93% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%.

At 5 years old, 93% of AUDI TTs from 2021 passed their MOT first time in 2026. That's based on 5,212 tests across the UK. The average mileage at this age is 19,822 miles.

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How Does It Compare?

Rank among 2021 cars1449th of 3,373(top 43%)

Rank among AUDI models407th of 1,079(top 38%)

vs national average+11%(82% avg)

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

vs AUDI average+3%(90% avg)

Mileage Analysis

19,822

Average miles

37,000

Expected for age

The average 2021 AUDI TT has 19,822 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2019 model with a 94% MOT pass rate, while the 1999 model has the lowest at 71%. The 2021 sits between the two at 93%.

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

£1,772/year

94%

+1%

VOLVO XC40

2020 · 2000cc Petrol

£1,772/year

93%

same

FORD RANGER

2021 · 2400cc Petrol

£2,037/year

90%

-3%

JAGUAR F-PACE

2019 · 1997cc Petrol

£1,772/year

91%

-2%

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About the 2021 AUDI TT

The 2021 AUDI TT is a premium with a 2480cc petrol engine. 5,212 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 19,822 miles at 5 years old, AUDI TT owners tend to use this car less than the typical driver.

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 £1,592 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 TT?

Total estimated annual running cost is £2,042 (£170/month), broken down as £1592 fuel, £195 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 show better MOT pass rates than older ones, with an average improvement of 15 percentage points.

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

Based on the 2021 AUDI TT's fuel type, age, and engine size, these are the most likely problem areas to check.

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 annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
AUDI TT(2021)	93%	£1592	£195	Grp 25-38	£2042
MERCEDES A(2021)	94%	£1327	£190	Grp 18-32	£1772-£270
VOLVO XC40(2020)	93%	£1327	£190	Grp 18-32	£1772-£270
FORD RANGER(2021)	90%	£1592	£190	Grp 25-38	£2037-£5
JAGUAR F-PACE(2019)	91%	£1327	£190	Grp 18-32	£1772-£270

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.