2018 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI S Line Manual FWD Euro 6 5dr 35 (147 bhp)
• Year: 2018
• Mileage: 50,576 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line has covered 50,576 miles, around 14,400 fewer miles than is typical for its age. The AskCar estimate for this car is £13,018. It is priced at £12,849, which is £169 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 40 days ago, and its asking price has since fallen by £700. Its advertised mileage matches the government's MOT record. The seller is Motorpoint Birtley, based in Birtley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £169 (1%) under the AskCar estimate of £13,018.

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

This 2018 Audi A3 has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 23 September 2026 at £13,549. Its asking price is now £12,849, £700 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 23 September 2026: £13,549
• 24 September 2026: £13,149
• 25 September 2026: £13,199
• 3 October 2026: £13,099
• 6 October 2026: £13,299
• 13 October 2026: £13,049
• 15 October 2026: £13,199
• 22 October 2026: £13,099
• 29 October 2026: £12,849

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 4 March 2027.

It failed its MOT on 20 February 2026 (offside front service brake excessively fluctuating o/s/f bake disc corroded on inner surface; offside front wheel bearing rough when rotated o/s/f wheel bearing rough when rotated) and passed 4 days later, on 24 February 2026.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 46,330 miles, which matches the advertised 50,576 miles.

Advertised mileage is about 14,400 miles lower than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

26 other 2018 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £6,990 to £15,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 51,000 miles. Price: £12,495, £354 less than this car. Dealer: Cradley Heath Motor Co in Cradley Heath. AskCar page: https://askcar.co.uk/car/audi-a3-2018-4875b10805c5
• 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 48,000 miles. Price: £13,350, £501 more than this car. Dealer: Bob Davies Car Sales in Ebbw Vale. AskCar page: https://askcar.co.uk/car/audi-a3-2018-853ce97dcdcf
• 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 54,709 miles. Price: £13,995, £1,146 more than this car. Dealer: Yeomans Audi Truro in Truro. AskCar page: https://askcar.co.uk/car/audi-a3-2018-710d99382d2c

• The nearest: 2018 Audi A3 S Line, 1.5 petrol hatchback, black, 9 miles from this car. Mileage: 30,801 miles. Price: £14,999, £2,150 more than this car. Dealer: Wearside Autoparc in Sunderland. AskCar page: https://askcar.co.uk/car/audi-a3-2018-09d380cc7275