2018 Audi TT 2.0 TFSI S Line

Overview

• Make: Audi
• Model: TT
• Trim: S Line
• Version: 2.0 TFSI S Line S tronic Euro 6 (s/s) 3dr (227 bhp)
• Year: 2018
• Mileage: 44,695 miles
• Fuel: Petrol
• Body: Coupe, 3 doors, 4 seats
• Engine: 2.0 litres, 227 bhp
• Gearbox: Automatic (S tronic)
• Colour: Black
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi TT S Line has covered 44,695 miles, around 6,000 fewer miles than is typical for its age. The dealer is asking £15,995, which is £1,154 below the AskCar estimate of £17,149. To work out the AskCar estimate, we analyse UK dealer adverts for 1,071 Audi TT cars across different ages and specifications. Since we first spotted the advert 38 days ago, the asking price has dropped by £630. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is DCC Fareham, based in Fareham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,154 (6%) under the AskCar estimate of £17,149.

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 2 November 2026.

A 2018 Audi TT with the 2.0 petrol engine is typically advertised at £16,500: the median of the 24 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi TT has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £16,625. Its asking price is now £15,995, £630 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 25 September 2026: £16,625
• 16 October 2026: £16,395
• 23 October 2026: £15,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 12 May 2027.

It has had 6 MOTs. The latest, on 11 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,465 miles, which matches the advertised 44,695 miles.

Advertised mileage is about 6,000 miles lower than the median mileage of a 2018 Audi TT on AskCar.

Similar cars

5 other 2018 Audi TT S Line 2.0 petrol automatic coupes are for sale at UK dealers, from £10,400 to £19,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi TT S Line, 2.0 petrol coupe, grey. Mileage: 39,000 miles. Price: £19,990, £3,995 more than this car. Dealer: Northover Cars in Whitstable. AskCar page: https://askcar.co.uk/car/audi-tt-2018-5a73223744ab
• 2018 Audi TT S Line, 2.0 petrol coupe, blue. Mileage: 50,679 miles. Price: £16,490, £495 more than this car. Dealer: Saltmarine Cars in Dungannon. AskCar page: https://askcar.co.uk/car/audi-tt-2018-41697fa40a1a
• 2018 Audi TT S Line, 2.0 petrol coupe, grey. Mileage: 36,100 miles. Price: £13,990, £2,005 less than this car. Dealer: Automatic Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/audi-tt-2018-25ea78b241a0