2018 Audi TT 1.8 TFSI S Line
Price: £15,990. Fair price: £348 (2%) over the AskCar estimate of £15,642, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,082 priced Audi TT adverts on AskCar as of 7 November 2026.
AskCar lists 1,164 used Audi TT from 843 UK dealerships, as of 7 November 2026.
Overview
- Make: Audi
- Model: TT
- Trim: S Line
- Version: 1.8 TFSI S Line Manual FWD Euro 6 (s/s) 3dr (178 bhp)
- Year: 2018
- Mileage: 33,923 miles
- Fuel: Petrol
- Body: Coupe, 3 doors, 4 seats
- Engine: 1.8 litres, 178 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Black
- CO2: 138 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi TT S Line has covered 33,923 miles, around 19,100 fewer miles than is typical for its age. Priced at £15,990, it is advertised £348 above the AskCar estimate of £15,642. The AskCar estimate uses UK dealer asking prices, including 1,082 Audi TT adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Lowestoft Audi, based in Lowestoft. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £348 (2%) over the AskCar estimate of £15,642.
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 1,082 priced Audi TT adverts across different ages and specifications, as of 7 November 2026.
A 2018 Audi TT with the 1.8 petrol engine is typically advertised at £13,500: the median of the 21 for sale on AskCar, as of 7 November 2026.
Time on sale
AskCar first saw this 2018 Audi TT advertised today. About 6 in 10 of 2018 Audi TT cars are gone from sale within a month of being advertised: 50 of the 85 first advertised between 11 July 2026 and 4 October 2026.
Price history
AskCar first saw this advert on 7 November 2026 at £15,990. 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 7 November 2026: valid until 8 April 2027.
It has had 6 MOTs. The latest, on 9 April 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 32,214 miles, which matches the advertised 33,923 miles.
Advertised mileage is about 19,100 miles lower than the median mileage of a 2018 Audi TT on AskCar.
Similar cars
2 other 2018 Audi TT S Line 1.8 petrol manual coupes are for sale at UK dealers, from £12,341 to £14,500, as of 7 November 2026.
The 2 closest to this car in mileage:
- 2018 Audi TT S Line, 1.8 petrol coupe, grey. Mileage: 50,200 miles. Price: £14,500, £1,490 less than this car. Dealer: RS Cars in Penarth. AskCar page: https://askcar.co.uk/car/audi-tt-2018-d9f0cecbd41c
- 2018 Audi TT S Line, 1.8 petrol coupe, blue. Mileage: 75,000 miles. Price: £12,341, £3,649 less than this car. Dealer: Vindis Group Cambridge Audi in Cambridge. AskCar page: https://askcar.co.uk/car/audi-tt-2018-b300541ef526
Browse all Audi TT cars for sale · 2018 Audi TT price guide
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Photos
1 photo of this car is on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.