2018 Audi A4 Avant 2.0 S Line
Price: £15,750. Fair price: £113 (under 1%) under the AskCar estimate of £15,863, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,244 priced Audi A4 Avant adverts on AskCar as of 7 November 2026.
AskCar lists 1,306 used Audi A4 Avant from 861 UK dealerships, as of 7 November 2026.
Overview
- Make: Audi
- Model: A4 Avant
- Trim: S Line
- Version: 2.0 TDI S Line S tronic FWD Euro 6 (s/s) 5dr
- Year: 2018
- Mileage: 39,134 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: White
- CO2: 112 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi A4 Avant S Line is advertised with 39,134 miles, approximately 38,200 below the typical mileage for its age. Its asking price of £15,750 is £113 below the AskCar estimate of £15,863. The AskCar estimate uses 1,244 UK dealer adverts for the Audi A4 Avant, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 108 days ago, the asking price has dropped by £2,150. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Select Nottingham, based in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £113 (under 1%) under the AskCar estimate of £15,863.
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 1,244 priced Audi A4 Avant adverts across different ages and specifications, as of 7 November 2026.
A 2018 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £14,000: the median of the 30 for sale on AskCar, as of 7 November 2026.
Time on sale
This 2018 Audi A4 Avant has been on sale for at least 108 days.
Price history
AskCar first saw this advert on 22 July 2026 at £17,900. Its asking price is now £15,750, £2,150 less. The latest price cut was seen on 3 November 2026.
Price changes recorded:
- 22 July 2026: £17,900
- 20 September 2026: £17,250
- 22 September 2026: £16,900
- 5 October 2026: £16,650
- 13 October 2026: £16,500
- 20 October 2026: £16,350
- 27 October 2026: £15,900
- 3 November 2026: £15,750
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 13 December 2026.
It has had 7 MOTs. The latest, on 1 December 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 35,790 miles, which matches the advertised 39,134 miles.
Advertised mileage is about 38,200 miles lower than the median mileage of a 2018 Audi A4 Avant on AskCar.
Similar cars
1 other 2018 Audi A4 Avant S Line 2.0 diesel automatic estate is for sale at UK dealers, as of 7 November 2026.
The closest to this car in mileage:
- 2018 Audi A4 Avant S Line, 2.0 diesel estate, grey. Mileage: 98,714 miles. Price: £11,195, £4,555 less than this car. Dealer: Vanquish Car Centre in Teynham. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-4ef407ed770e
Browse all Audi A4 Avant cars for sale · 2018 Audi A4 Avant price guide
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Photos
9 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.