2018 Audi A4 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A4
• Trim: S Line
• Version: 2.0 TFSI S Line S tronic 4WD Euro 6 (s/s) 4dr (249 bhp)
• Year: 2018
• Mileage: 41,303 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 249 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 141 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A4 S Line has covered 41,303 miles, around 33,700 fewer miles than is typical for its age. The AskCar estimate for this car is £17,383. It is priced at £17,900, which is £517 above that estimate. The AskCar estimate draws on 1,428 Audi A4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 25 days ago. Its asking price has since fallen by £80. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Swansway Garages Carlisle Audi, based in Carlisle. 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: £517 (2%) over the AskCar estimate of £17,383.

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 1,428 priced Audi A4 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Audi A4 with the 2.0 petrol engine is typically advertised at £12,200: the median of the 48 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi A4 has been on sale for at least 25 days.

Price history

AskCar first saw this advert on 8 October 2026 at £17,980. Its asking price is now £17,900, £80 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 8 October 2026: £17,980
• 24 October 2026: £17,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 September 2027.

It has had 6 MOTs. The latest, on 22 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 41,279 miles, which matches the advertised 41,303 miles.

Advertised mileage is about 33,700 miles lower than the median mileage of a 2018 Audi A4 on AskCar.

Similar cars

8 other 2018 Audi A4 S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £10,499 to £15,699, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 38,010 miles. Price: £15,699, £2,201 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/audi-a4-2018-b8f0066681bb
• 2018 Audi A4 S Line, 2.0 petrol saloon, blue. Mileage: 46,200 miles. Price: £14,990, £2,910 less than this car. Dealer: Pinewood Motors in Abbots Langley. AskCar page: https://askcar.co.uk/car/audi-a4-2018-558d77fc7652
• 2018 Audi A4 S Line, 2.0 petrol saloon. Mileage: 52,835 miles. Price: £14,500, £3,400 less than this car. Dealer: Fine Drive Motors in Farnham. AskCar page: https://askcar.co.uk/car/audi-a4-2018-41ee5d4018d5