2017 Audi TT 1.8 TFSI S Line

Overview

• Make: Audi
• Model: TT
• Trim: S Line
• Version: 1.8 TFSI S Line Manual FWD Euro 6 (s/s) 2dr Roadster (178 bhp)
• Year: 2017
• Mileage: 45,984 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.8 litres, 178 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Audi TT S Line has covered 45,984 miles, around 16,200 fewer miles than is typical for its age. The dealer is asking £13,750, which is £189 below the AskCar estimate of £13,939. To work out the AskCar estimate, we analyse UK dealer adverts for 1,071 Audi TT cars across different ages and specifications. The asking price is now £550 lower than when we first recorded the advert 11 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Cotswold Group Select in Tewkesbury. 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: £189 (1%) under the AskCar estimate of £13,939.

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 2017 Audi TT with the 1.8 petrol engine is typically advertised at £13,000: the median of the 49 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2017 Audi TT has been on sale for at least 11 days.

Price history

AskCar first saw this advert on 22 October 2026 at £14,300. Its asking price is now £13,750, £550 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 22 October 2026: £14,300
• 31 October 2026: £13,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 September 2027.

It failed its MOT on 9 September 2026 (engine MIL inoperative or indicates a malfunction) and passed 5 days later, on 14 September 2026.

There were no advisories at the latest test.

Mileage at that test: 45,966 miles, which matches the advertised 45,984 miles.

Advertised mileage is about 16,200 miles lower than the median mileage of a 2017 Audi TT on AskCar.

Similar cars

4 other 2017 Audi TT S Line 1.8 petrol manual convertibles are for sale at UK dealers, from £9,000 to £17,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2017 Audi TT S Line, 1.8 petrol convertible, white. Mileage: 52,906 miles. Price: £13,498, £252 less than this car. Dealer: Arnold Clark Salford Vauxhall / Fiat / Abarth / MG / Jeep in Salford. AskCar page: https://askcar.co.uk/car/audi-tt-2017-8622333ad876
• 2017 Audi TT S Line, 1.8 petrol convertible, black. Mileage: 17,000 miles. Price: £17,995, £4,245 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/audi-tt-2017-7647160feb3f
• 2017 Audi TT S Line, 1.8 petrol convertible, white. Mileage: 88,688 miles. Price: £10,990, £2,760 less than this car. Dealer: Mak Performance Cars in Halifax. AskCar page: https://askcar.co.uk/car/audi-tt-2017-44906a987909

• The nearest: 2017 Audi TT S Line, 1.8 petrol convertible, grey, 71 miles from this car. Mileage: 128,000 miles. Price: £9,000, £4,750 less than this car. Dealer: German Big 3 in Bedford. AskCar page: https://askcar.co.uk/car/audi-tt-2017-1949251dcf5c