2018 Audi A3 1.5 TFSI CoD S Line
Version: 1.5 TFSI CoD S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
Price: £16,250. Fair price: £945 (6%) over the AskCar estimate of £15,305, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,516 priced Audi A3 adverts on AskCar as of 1 November 2026.
AskCar lists 6,654 used Audi A3 from 2,245 UK dealerships, as of 1 November 2026.
Overview
- Make
- Audi
- Model
- A3
- Trim
- S Line
- Version
- 1.5 TFSI CoD S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
- Mileage
- 41,310 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 1.5 L
- Gearbox
- Automatic
- Power
- 148 bhp
- Seats
- 5
- CO2
- 113 g/km
- Colour
- Grey
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSI; CoD
- Emissions standard
- Euro 6
About this car
This 2018 Audi A3 S Line is advertised with 41,310 miles on the clock. Its asking price of £16,250 is £945 above the AskCar estimate of £15,305. To work out the AskCar estimate, we analyse UK dealer adverts for 6,516 Audi A3 cars across different ages and specifications. We have tracked this advert today. The latest MOT recorded 41,984 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 25 September 2027. It is for sale at The Professional Car Agents in Plymouth.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £16,250 |
Price and mileage comparison
Fair price: £945 (6%) over the AskCar estimate of £15,305.
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 6,516 priced Audi A3 adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 23,200 miles lower than the median mileage of a 2018 Audi A3 on AskCar.
Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.
MOT
MOT: valid until 25 September 2027. 41,984 miles at the last test.
Other matching cars
35 other 2018 Audi A3 S Line automatic petrol cars are for sale at UK dealers from £9,250 to £17,690, as of 1 November 2026.
The 5 cheapest:
- 2018 Audi A3. Price: £9,250. Mileage: 103,000 miles. Dealer: Breckland Vehicle Specialists in Brandon. AskCar page: https://askcar.co.uk/car/audi-a3-2018-7fe252d905ac
- 2018 Audi A3. Price: £9,695. Mileage: 101,514 miles. Dealer: The Drivers Gallery in Bromsgrove. AskCar page: https://askcar.co.uk/car/audi-a3-2018-6995612ff966
- 2018 Audi A3. Price: £10,350. Mileage: 97,862 miles. Dealer: NSN Motors in Buntingford. AskCar page: https://askcar.co.uk/car/audi-a3-2018-5c71515de6c5
- 2018 Audi A3. Price: £10,395. Mileage: 33,589 miles. Dealer: Top Gear Harrow in Harrow. AskCar page: https://askcar.co.uk/car/audi-a3-2018-a5711716c088
- 2018 Audi A3. Price: £10,595. Mileage: 95,637 miles. Dealer: Hitchin Autohaus in Hitchin. AskCar page: https://askcar.co.uk/car/audi-a3-2018-46c9f18d92d6
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A3 cars for sale · 2018 Audi A3 price guide
More like this
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.