2018 Audi A3 1.5 TFSI CoD S Line
Price: £11,995. Above the going rate: £905 (8%) over the AskCar estimate of £11,090, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,630 priced Audi A3 adverts on AskCar as of 4 November 2026.
AskCar lists 6,774 used Audi A3 from 2,309 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.5 TFSI CoD S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
- Year: 2018
- Mileage: 75,000 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 117 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 75,000 miles on the clock, this 2018 Audi A3 S Line has done roughly 10,000 more miles than a typical 2018 Audi A3. The dealer is asking £11,995, which is £905 above the AskCar estimate of £11,090. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 24 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Isaac Motors in Garngoch Industrial Estate. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Above the going rate: £905 (8%) over the AskCar estimate of £11,090.
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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.
A 2018 Audi A3 with the 1.5 petrol engine is typically advertised at £12,100: the median of the 138 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2018 Audi A3 has been on sale for at least 24 days.
Price history
AskCar first saw this advert on 11 October 2026 at £11,995. 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 4 November 2026: valid until 19 July 2027.
It has had 7 MOTs. The latest, on 15 July 2026, passed.
Advisories at the latest test: nearside front suspension arm pin or bush worn but not resulting in excessive movement.
Mileage at that test: 74,683 miles, which matches the advertised 75,000 miles.
Advertised mileage is about 10,000 miles higher than the median mileage of a 2018 Audi A3 on AskCar.
Similar cars
5 other 2018 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £10,495 to £12,950, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 81,300 miles. Price: £12,500, £505 more than this car. Dealer: J26 Car Sales in Ballymena. AskCar page: https://askcar.co.uk/car/audi-a3-2018-91fe92d6c573
- 2018 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 89,241 miles. Price: £10,495, £1,500 less than this car. Dealer: BAV Motor Company in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2018-ea5a8bca9015
- 2018 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 95,000 miles. Price: £11,395, £600 less than this car. Dealer: Autobarn Carsales. AskCar page: https://askcar.co.uk/car/audi-a3-2018-28c30d3efbc5
Browse all Audi A3 cars for sale · 2018 Audi A3 price guide
More like this
- Used Audi A3 S Line prices
- Used Audi A3 for sale under £15,000
- Used manual Audi A3 for sale
- Used petrol Audi A3 for sale
- Used Audi A3 for sale near Swansea
Photos
2 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.