Audi TT (2008)

Estimated running costs and MOT pass rates from 16,046 MOT tests in 2024.

Annual Cost

£2,841

£237/month

MOT Pass Rate

81%

Good

Road Tax

£760

Estimated/year

Est. Insurance

Grp 35-50

3189cc Diesel

Solid Option

81% pass rate, £2,841/year to run. Close to the average across all models.

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Diesel3189cc18 years old16,046 tests103k miles avg

Annual Running Costs

Fuel (Diesel, 3189cc)

~40 mpg

£1,676

Road Tax

Estimated CO2 band

£760

MOT Test

£55

Predicted Repairs

£350

Total per year£2,841

Per month£237/mo

Per week£55/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p 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.

Reliability Verdict

81% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data. It falls below the Audi brand average of 90%.

81% of MOT tests on Audi TTs from 2008 ended in a pass in 2024, when they were about 16 years old. That's based on 16,046 tests across the UK, retests included. The average mileage recorded at those tests was 102,983 miles.

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How Does It Compare?

Rank among 2008 models171st of 566(top half)

Rank among Audi models938th of 1,066(bottom 13%)

vs average of all models-1%(82% avg)

vs 2008 models average+8%(73% avg)

vs Audi average-9%(90% avg)

Mileage Analysis

102,983

Average miles

118,400

Expected for age

The average 2008 Audi TT had 102,983 miles on the clock at its 2024 MOT, which is in line with the expected 118,400 miles for a 16-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 2008 scores 81%. 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

BMW 3 Series

2008 · 2926cc Diesel

£2,491/year

80%

-1%

Audi A5

2010 · 2967cc Diesel

£2,491/year

82%

+1%

Jaguar XF

2010 · 2993cc Diesel

£2,491/year

80%

-1%

Mercedes E

2009 · 3498cc Diesel

£2,841/year

80%

-1%

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About the 2008 Audi TT

The 2008 Audi TT is a premium performance car. Our records list a 3189cc diesel engine, though engines vary between versions. 16,046 MOT tests were recorded on this model in 2024, making it one of the most commonly tested models on UK roads. Among all models from 2008, the average MOT pass rate is 73%, and this model beats that benchmark.

With an average of 102,983 miles recorded at its 2024 MOT tests, Audi TT owners drive about as much as the UK average.

2008 Audi TT Fuel Costs

The 3189cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,676 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; 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 2008 Audi TT?

Total estimated annual running cost is £2,841 (£237/month), broken down as £1,676 fuel, £760 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 81% pass rate. Keeping on top of servicing will help avoid surprises.

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 2008 Audi TT

At 18 years old, the Audi TT 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 2019 model has the highest pass rate at 94%. With 16,046 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.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Clutch Wear

Watch out

With an average of 103k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

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 2008 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(2008)	81%	£1,676	£760	Grp 35-50	£2,841
BMW 3 Series(2008)	80%	£1,676	£410	Grp 30-42	£2,491-£350
Audi A5(2010)	82%	£1,676	£410	Grp 30-42	£2,491-£350
Jaguar XF(2010)	80%	£1,676	£410	Grp 30-42	£2,491-£350
Mercedes E(2009)	80%	£1,676	£760	Grp 35-50	£2,841same

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 2008 Audi TT

Is the 2008 Audi TT reliable?

Good reliability. Occasional issues but generally solid. 81% of MOT tests on 2008 Audi TTs ended in a pass, from 16,046 tests (DVSA MOT data for tests in 2024, retests included). That's 1 point below the average of 82% across all models in the same data.

How much does a 2008 Audi TT cost to run?

Our estimate is £2,841 a year (£237 a month): £1,676 fuel, £760 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2008 Audi TT?

81% of 16,046 MOT tests on the 2008 Audi TT ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 171st of 566 models first registered in 2008 (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 2008 Audi TT?

The average mileage recorded at MOT tests on the 2008 Audi TT is 102,983 miles, which is in line with the expected 118,400 miles for a 16-year-old car, suggesting normal everyday use.