2018 Audi TT 2.0 TFSI S Line

Overview

• Make: Audi
• Model: TT
• Trim: S Line
• Version: 2.0 TFSI S Line S tronic 4WD Euro 6 (s/s) 3dr (227 bhp)
• Year: 2018
• Mileage: 50,679 miles
• Fuel: Petrol
• Body: Coupe, 3 doors, 4 seats
• Engine: 2.0 litres, 227 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi TT S Line has covered 50,679 miles. The dealer is asking £16,490, which is £655 below the AskCar estimate of £17,145. To work out the AskCar estimate, we analyse UK dealer adverts for 1,071 Audi TT cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 74 days, and its asking price is down £800. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Saltmarine Cars in Dungannon. 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: £655 (3%) under the AskCar estimate of £17,145.

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

The dealer may accept less. This 2018 Audi TT has been on sale for at least 74 days, and its asking price has been cut by £800. About 6 in 10 of 2018 Audi TT cars are gone from sale within a month of being advertised: 49 of the 81 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 20 August 2026 at £17,290. Its asking price is now £16,490, £800 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 20 August 2026: £17,290
• 30 September 2026: £16,990
• 29 October 2026: £16,490

Mileage and MOT

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

It has had 4 MOTs. The latest, on 2 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 47,337 miles, which matches the advertised 50,679 miles.

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, black. Mileage: 44,695 miles. Price: £15,995, £495 less than this car. Dealer: DCC Fareham in Fareham. AskCar page: https://askcar.co.uk/car/audi-tt-2018-60cb85a98035
• 2018 Audi TT S Line, 2.0 petrol coupe, grey. Mileage: 39,000 miles. Price: £19,990, £3,500 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, grey. Mileage: 64,098 miles. Price: £16,500, the same price as this car. Dealer: Redgate Lodge in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-tt-2018-eb5f24583e5a