2021 Audi TT 2.0 TFSI S Line

Overview

• Make: Audi
• Model: TT
• Trim: S Line
• Version: 2.0 TFSI 45 S Line S tronic FWD Euro 6 (s/s) 3dr (242 bhp)
• Year: 2021
• Mileage: 64,817 miles
• Fuel: Petrol
• Body: Coupe, 3 doors, 4 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi TT S Line is advertised with 64,817 miles, approximately 30,100 above the typical mileage for its age. Its asking price of £18,790 is £128 below the AskCar estimate of £18,918. To work out the AskCar estimate, we analyse UK dealer adverts for 1,071 Audi TT cars across different ages and specifications. It first appeared in our advert records 14 days ago. Its advertised mileage matches the government's MOT record. It is advertised by BUY & Go Cars in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £128 (under 1%) under the AskCar estimate of £18,918.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,071 priced Audi TT adverts across different ages and specifications, as of 4 November 2026.

A 2021 Audi TT with the 2.0 petrol engine is typically advertised at £21,800: the median of the 50 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Audi TT has been on sale for at least 14 days.

Price history

AskCar first saw this advert on 21 October 2026 at £18,790. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 7 May 2027.

It has had 4 MOTs. The latest, on 8 May 2026, passed.

Advisories at the latest test: front inner tyre worn close to legal limit/worn on edge both.

Mileage at that test: 61,977 miles, which matches the advertised 64,817 miles.

Advertised mileage is about 30,100 miles higher than the median mileage of a 2021 Audi TT on AskCar.

Similar cars

9 other 2021 Audi TT S Line 2.0 petrol automatic coupes are for sale at UK dealers, from £19,495 to £22,998, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi TT S Line, 2.0 petrol coupe, white. Mileage: 69,784 miles. Price: £19,998, £1,208 more than this car. Dealer: Arnold Clark Linwood Hyundai / Mazda / GWM / Used Car Centre in Linwood. AskCar page: https://askcar.co.uk/car/audi-tt-2021-9aeeaf4941e7
• 2021 Audi TT S Line, 2.0 petrol coupe, grey. Mileage: 53,000 miles. Price: £19,495, £705 more than this car. Dealer: Worlingham Motor Company in Beccles. AskCar page: https://askcar.co.uk/car/audi-tt-2021-43afa285268e
• 2021 Audi TT S Line, 2.0 petrol coupe, white. Mileage: 51,039 miles. Price: £19,999, £1,209 more than this car. Dealer: Marriott Motor Group Ipswich Audi in Ipswich. AskCar page: https://askcar.co.uk/car/audi-tt-2021-e1a5e526c22b

• The nearest: 2021 Audi TT S Line, 2.0 petrol coupe, white, 126 miles from this car. Mileage: 46,783 miles. Price: £21,300, £2,510 more than this car. Dealer: Group 1 Automotive Cheshire Oaks Audi in Ellesmere Port. AskCar page: https://askcar.co.uk/car/audi-tt-2021-afee33acd6b2