2018 Audi A4 Avant 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A4 Avant
• Trim: S Line
• Version: 2.0 TFSI S Line S tronic FWD Euro 6 5dr
• Year: 2018
• Mileage: 45,704 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A4 Avant S Line has covered 45,704 miles, around 31,600 fewer miles than is typical for its age. The dealer is asking £14,480, which is £138 below the AskCar estimate of £14,618. To work out the AskCar estimate, we analyse UK dealer adverts for 1,244 Audi A4 Avant cars across different ages and specifications. The asking price is now £870 lower than when we first recorded the advert 31 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Hilton Garage, based in Derby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £138 (under 1%) under the AskCar estimate of £14,618.

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 petrol 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 31 days.

Price history

AskCar first saw this advert on 7 October 2026 at £15,350. Its asking price is now £14,480, £870 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 7 October 2026: £15,350
• 24 October 2026: £14,750
• 30 October 2026: £15,050
• 2 November 2026: £14,560
• 5 November 2026: £14,480

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 February 2027.

It failed its MOT on 30 January 2026 (offside side repeater light intensity significantly reduced) and passed 3 days later, on 2 February 2026.

There were no advisories at the latest test.

Mileage at that test: 43,335 miles, which matches the advertised 45,704 miles.

Advertised mileage is about 31,600 miles lower than the median mileage of a 2018 Audi A4 Avant on AskCar.

Similar cars

4 other 2018 Audi A4 Avant S Line 2.0 petrol automatic estates are for sale at UK dealers, from £13,990 to £20,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A4 Avant S Line, 2.0 petrol estate, blue. Mileage: 45,000 miles. Price: £15,745, £1,265 more than this car. Dealer: Motorline Direct in Loughborough. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-39f99393f5e3
• 2018 Audi A4 Avant S Line, 2.0 petrol estate, red. Mileage: 56,464 miles. Price: £18,795, £4,315 more than this car. Dealer: Jones Motor Company in Chester. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-a411c7711477
• 2018 Audi A4 Avant S Line, 2.0 petrol estate, white. Mileage: 15,401 miles. Price: £20,995, £6,515 more than this car. Dealer: Jones Motor Company in Chester. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-f63dd125b3ce