2018 Audi A4 Avant 1.4 TFSI S Line

Overview

• Make: Audi
• Model: A4 Avant
• Trim: S Line
• Version: 1.4 TFSI S Line Manual FWD Euro 6 (s/s) 5dr (148 bhp)
• Year: 2018
• Mileage: 59,850 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.4 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 59,850 miles on the clock, this 2018 Audi A4 Avant S Line has done roughly 17,500 fewer miles than a typical 2018 Audi A4 Avant. The dealer is asking £11,900, which is £358 below the AskCar estimate of £12,258. To work out the AskCar estimate, we analyse UK dealer adverts for 1,256 Audi A4 Avant cars across different ages and specifications. We first recorded this advert 55 days ago, and its asking price has since fallen by £250. Its advertised mileage matches the government's MOT record. The seller is Surrey Specialist Cars, based in Cranleigh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £358 (2%) under the AskCar estimate of £12,258.

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 1,256 priced Audi A4 Avant adverts across different ages and specifications, as of 6 November 2026.

A 2018 Audi A4 Avant with the 1.4 petrol engine is typically advertised at £11,200: the median of the 16 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 Audi A4 Avant has been on sale for at least 55 days.

Price history

AskCar first saw this advert on 12 September 2026 at £12,150. Its asking price is now £11,900, £250 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 12 September 2026: £12,150
• 16 September 2026: £12,100
• 29 October 2026: £12,000
• 6 November 2026: £11,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 2 September 2027.

It has had 10 MOTs. The latest, on 1 September 2026, passed.

Advisories at the latest test: nearside rear brake pad(s) wearing thin; offside rear brake pad(s) wearing thin; nearside front windscreen wiper blade defective; and 1 more.

Mileage at that test: 59,726 miles, which matches the advertised 59,850 miles.

Advertised mileage is about 17,500 miles lower than the median mileage of a 2018 Audi A4 Avant on AskCar.

Similar cars

4 other 2018 Audi A4 Avant S Line 1.4 petrol manual estates are for sale at UK dealers, from £9,750 to £12,999, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A4 Avant S Line, 1.4 petrol estate, white. Mileage: 60,890 miles. Price: £12,490, £590 more than this car. Dealer: Dealdrive Motors in Middlesbrough. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-28e768b5222d
• 2018 Audi A4 Avant S Line, 1.4 petrol estate, black. Mileage: 42,775 miles. Price: £12,999, £1,099 more than this car. Dealer: Diamond Choice Cars in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-82750caaa55d
• 2018 Audi A4 Avant S Line, 1.4 petrol estate, grey. Mileage: 83,950 miles. Price: £10,490, £1,410 less than this car. Dealer: Motorpod in Newport. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-0fb5fc3c6a0a

• The nearest: 2018 Audi A4 Avant S Line, 1.4 petrol estate, white, 19 miles from this car. Mileage: 85,200 miles. Price: £9,750, £2,150 less than this car. Dealer: RSG Motor Group in Ascot. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-eef171eb1193