2018 Audi TT 2.0 TDI ultra S Line

Price: £16,500. Fair price: £278 (1%) over the AskCar estimate of £16,222, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,070 priced Audi TT adverts on AskCar as of 5 November 2026.

AskCar lists 1,144 used Audi TT from 828 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: TT
  • Trim: S Line
  • Version: 2.0 TDI ultra S Line Manual FWD Euro 6 (s/s) 3dr (181 bhp)
  • Year: 2018
  • Mileage: 35,000 miles
  • Fuel: Diesel
  • Body: Coupe, 3 doors, 4 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 117 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi TT S Line has covered 35,000 miles, around 17,000 fewer miles than is typical for its age. Its asking price of £16,500 is £278 above the AskCar estimate of £16,222. To work out the AskCar estimate, we analyse UK dealer adverts for 1,070 Audi TT cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 161 days, and its asking price has been cut by £995. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stormont Motor Company, based in Braintree. 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: £278 (1%) over the AskCar estimate of £16,222.

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 2.0 diesel engine is typically advertised at £16,500: the median of the 24 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2018 Audi TT has been on sale for at least 161 days, and its asking price has been cut by £995. About 6 in 10 of 2018 Audi TT cars are gone from sale within a month of being advertised: 50 of the 83 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £17,495. Its asking price is now £16,500, £995 less. The latest price cut was seen on 12 October 2026.

Price changes recorded:

  • 28 May 2026: £17,495
  • 20 June 2026: £17,250
  • 24 June 2026: £16,995
  • 30 August 2026: £16,795
  • 2 September 2026: £16,500
  • 3 September 2026: £17,250
  • 4 September 2026: £16,995
  • 7 September 2026: £16,795
  • 18 September 2026: £16,995
  • 23 September 2026: £17,000
  • 12 October 2026: £16,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 22 February 2027.

It has had 7 MOTs. The latest, on 11 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 34,077 miles, which matches the advertised 35,000 miles.

Advertised mileage is about 17,000 miles lower than the median mileage of a 2018 Audi TT on AskCar.

Browse all Audi TT cars for sale · 2018 Audi TT price guide

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Photos

56 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.