2015 Audi A4 2.0 TDI ultra S Line
Price: £6,400. Fair price: £167 (2%) under the AskCar estimate of £6,567, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,428 priced Audi A4 adverts on AskCar as of 2 November 2026.
AskCar lists 1,493 used Audi A4 from 984 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A4
- Trim: S Line
- Version: 2.0 TDI ultra S Line Manual FWD Euro 6 (s/s) 4dr (161 bhp)
- Year: 2015
- Mileage: 100,000 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 161 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 109 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2015 Audi A4 S Line has covered 100,000 miles, around 13,500 more miles than is typical for its age. The AskCar estimate for this car is £6,567. It is priced at £6,400, which is £167 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,428 Audi A4 cars across different ages and specifications. Since we first spotted the advert 34 days ago, the asking price has dropped by £100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Nene Vale Motor Company, based in Northampton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £167 (2%) under the AskCar estimate of £6,567.
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 2015 Audi A4 with the 2.0 diesel engine is typically advertised at £9,000: the median of the 63 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2015 Audi A4 has been on sale for at least 34 days.
Price history
AskCar first saw this advert on 29 September 2026 at £6,500. Its asking price is now £6,400, £100 less. The latest price cut was seen on 17 October 2026.
Price changes recorded:
- 29 September 2026: £6,500
- 17 October 2026: £6,400
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 December 2026.
It failed its MOT on 25 November 2025 (offside front outer drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt) and passed 7 days later, on 2 December 2025.
There were no advisories at the latest test.
Mileage at that test: 98,017 miles, which matches the advertised 100,000 miles.
Advertised mileage is about 13,500 miles higher than the median mileage of a 2015 Audi A4 on AskCar.
Similar cars
3 other 2015 Audi A4 S Line 2.0 diesel manual saloons are for sale at UK dealers, from £6,995 to £10,890, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2015 Audi A4 S Line, 2.0 diesel saloon, grey. Mileage: 93,200 miles. Price: £6,995, £595 more than this car. Dealer: Woodcroft Motors in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/audi-a4-2015-c68b0bd022d9
- 2015 Audi A4 S Line, 2.0 diesel saloon, grey. Mileage: 86,000 miles. Price: £7,295, £895 more than this car. Dealer: DTM Car Sales Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/audi-a4-2015-fcc04b1a4d39
- 2015 Audi A4 S Line, 2.0 diesel saloon, white. Mileage: 44,975 miles. Price: £10,890, £4,490 more than this car. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a4-2015-6ca97fc2418d
Browse all Audi A4 cars for sale · 2015 Audi A4 price guide
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Photos
47 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.