2018 Audi A4 2.0 TDI S Line

Overview

• Make: Audi
• Model: A4
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2018
• Mileage: 91,400 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 109 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A4 S Line has covered 91,400 miles, around 16,400 more miles than is typical for its age. Priced at £11,500, it is advertised £359 above the AskCar estimate of £11,141. To work out the AskCar estimate, we analyse UK dealer adverts for 1,428 Audi A4 cars across different ages and specifications. The asking price is now £195 lower than when we first recorded the advert 51 days ago. Our records show an MOT expiry date of 14 October 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. It is for sale at Freeman Motors in Oldham. 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: £359 (3%) over the AskCar estimate of £11,141.

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 diesel 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 51 days.

Price history

AskCar first saw this advert on 12 September 2026 at £11,695. Its asking price is now £11,500, £195 less. The latest price cut was seen on 20 September 2026.

Price changes recorded:

• 12 September 2026: £11,695
• 20 September 2026: £11,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 14 October 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 15 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 86,314 miles, which matches the advertised 91,400 miles.

Advertised mileage is about 16,400 miles higher than the median mileage of a 2018 Audi A4 on AskCar.

Similar cars

6 other 2018 Audi A4 S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £8,975 to £16,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A4 S Line, 2.0 diesel saloon, silver. Mileage: 86,504 miles. Price: £12,950, £1,450 more than this car. Dealer: Campbell Trade Sales in Armagh. AskCar page: https://askcar.co.uk/car/audi-a4-2018-e865bfbf0117
• 2018 Audi A4 S Line, 2.0 diesel saloon, grey. Mileage: 83,000 miles. Price: £12,995, £1,495 more than this car. Dealer: Cars of Conwy in Colwyn Bay. AskCar page: https://askcar.co.uk/car/audi-a4-2018-af10c433b511
• 2018 Audi A4 S Line, 2.0 diesel saloon, grey. Mileage: 107,000 miles. Price: £8,975, £2,525 less than this car. Dealer: Midlands Motors in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a4-2018-391a2a1fce68

• The nearest: 2018 Audi A4 S Line, 2.0 diesel saloon, white, 60 miles from this car. Mileage: 74,552 miles. Price: £12,800, £1,300 more than this car. Dealer: Marshall BMW Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/audi-a4-2018-e204df0cd915