2018 Audi A3 1.5 TFSI CoD S Line
Price: £10,495. Fair price: £374 (3%) under the AskCar estimate of £10,869, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.
AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.5 TFSI CoD 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
- Year: 2018
- Mileage: 89,508 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 117 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 89,508 miles, this 2018 Audi A3 S Line has covered about 24,500 more miles than other 2018 Audi A3 cars. The dealer is asking £10,495, which is £374 below the AskCar estimate of £10,869. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is Kestrels Motor Company, based in Halstead. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £374 (3%) under the AskCar estimate of £10,869.
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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.
A 2018 Audi A3 with the 1.5 petrol engine is typically advertised at £12,200: the median of the 142 for sale on AskCar, as of 2 November 2026.
Time on sale
AskCar first saw this 2018 Audi A3 advertised today. About half of 2018 Audi A3 cars are gone from sale within a month of being advertised: 230 of the 468 first advertised between 10 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 2 November 2026 at £10,495. 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 2 November 2026: valid until 22 October 2027.
It failed its MOT on 23 October 2026 (offside rear shock absorbers has a serious fluid leak) and passed later the same day.
There were no advisories at the latest test.
Mileage at that test: 89,506 miles, which matches the advertised 89,508 miles.
Advertised mileage is about 24,500 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 automatic saloons are for sale at UK dealers, from £10,350 to £16,250, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 97,862 miles. Price: £10,350, £145 less than this car. Dealer: NSN Motors in Buntingford. AskCar page: https://askcar.co.uk/car/audi-a3-2018-5c71515de6c5
- 2018 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 75,750 miles. Price: £13,490, £2,995 more than this car. Dealer: Quattro Tech Cars in St Ives. AskCar page: https://askcar.co.uk/car/audi-a3-2018-eb1b0a39c735
- 2018 Audi A3 S Line, 1.5 petrol saloon, silver. Mileage: 68,739 miles. Price: £12,299, £1,804 more than this car. Dealer: Perfect Car Company in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-a3-2018-42a66fc60d6c
Browse all Audi A3 cars for sale · 2018 Audi A3 price guide
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Photos
33 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.