2018 Audi TT 1.8 TFSI S Line

Overview

• Make: Audi
• Model: TT
• Trim: S Line
• Version: 1.8 TFSI S Line S tronic FWD Euro 6 (s/s) 3dr (178 bhp)
• Year: 2018
• Mileage: 88,000 miles
• Fuel: Petrol
• Body: Coupe, 3 doors, 4 seats
• Engine: 1.8 litres, 178 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 88,000 miles, this 2018 Audi TT S Line has covered about 36,000 more miles than other 2018 Audi TT cars. The AskCar estimate for this car is £11,624. It is priced at £12,500, which is £876 above that estimate. The AskCar estimate uses 1,070 UK dealer adverts for the Audi TT, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 35 days ago. Its asking price has since fallen by £490. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Signature Car Group in Rochford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £876 (7%) over the AskCar estimate of £11,624.

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 1,070 priced Audi TT adverts across different ages and specifications, as of 5 November 2026.

A 2018 Audi TT with the 1.8 petrol engine is typically advertised at £13,500: the median of the 22 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Audi TT has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 1 October 2026 at £12,990. Its asking price is now £12,500, £490 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 1 October 2026: £12,990
• 9 October 2026: £12,750
• 20 October 2026: £12,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 11 March 2027.

It has had 6 MOTs. The latest, on 12 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 82,394 miles, which matches the advertised 88,000 miles.

Advertised mileage is about 36,000 miles higher than the median mileage of a 2018 Audi TT on AskCar.