2018 Audi A3 1.0 TFSI S Line
Price: £12,975. Fair price: £532 (4%) over the AskCar estimate of £12,443, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,620 priced Audi A3 adverts on AskCar as of 8 November 2026.
AskCar lists 6,811 used Audi A3 from 2,296 UK dealerships, as of 8 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.0 TFSI S Line Manual FWD Euro 6 5dr (113 bhp)
- Year: 2018
- Mileage: 40,000 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.0 litres, 113 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 108 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi A3 S Line is advertised with 40,000 miles on the clock. Its asking price of £12,975 is £532 above the AskCar estimate of £12,443. The AskCar estimate uses UK dealer asking prices, including 6,620 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 3 days. The advertised mileage is lower than the latest MOT reading of 41,869 miles. Ask the dealer to explain. MOT records show an expiry date of 13 July 2027. It is advertised by Nick King Car Sales in Gloucester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £532 (4%) over the AskCar estimate of £12,443.
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 6,620 priced Audi A3 adverts across different ages and specifications, as of 8 November 2026.
A 2018 Audi A3 with the 1.0 petrol engine is typically advertised at £11,000: the median of the 68 for sale on AskCar, as of 8 November 2026.
Time on sale
AskCar first saw this 2018 Audi A3 advertised 3 days ago. About half of 2018 Audi A3 cars are gone from sale within a month of being advertised: 256 of the 508 first advertised between 10 July 2026 and 5 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £12,975. 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 8 November 2026: valid until 13 July 2027.
It has had 6 MOTs. The latest, on 26 June 2026, passed.
Advisories at the latest test: nearside rear brake pad(s) wearing thin; offside rear brake pad(s) wearing thin.
Mileage at that test: 41,869 miles. The advert says 40,000 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 25,000 miles lower than the median mileage of a 2018 Audi A3 on AskCar.
Similar cars
13 other 2018 Audi A3 S Line 1.0 petrol manual hatchbacks are for sale at UK dealers, from £9,495 to £15,000, as of 8 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 42,764 miles. Price: £13,495, £520 more than this car. Dealer: Harentor Cars in St Albans. AskCar page: https://askcar.co.uk/car/audi-a3-2018-843713966914
- 2018 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 45,517 miles. Price: £12,600, £375 less than this car. Dealer: 444 Approved Used in Wednesbury. AskCar page: https://askcar.co.uk/car/audi-a3-2018-28020334fe12
- 2018 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 46,034 miles. Price: £11,995, £980 less than this car. Dealer: H & M Cars Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/audi-a3-2018-3447edf6caba
Browse all Audi A3 cars for sale · 2018 Audi A3 price guide
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Photos
23 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.