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: 85,200 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.4 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 85,200 miles on the clock, this 2018 Audi A4 Avant S Line has done roughly 7,900 more miles than a typical 2018 Audi A4 Avant. The AskCar estimate for this car is £10,139. It is priced at £9,750, which is £389 below that estimate. The AskCar estimate draws on 1,256 Audi A4 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 6 days ago, the asking price has dropped by £200. The government's MOT record matches its advertised mileage. It is for sale at RSG Motor Group in Ascot. 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: £389 (3%) under the AskCar estimate of £10,139.

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

AskCar first saw this 2018 Audi A4 Avant advertised 6 days ago. About half of 2018 Audi A4 Avant cars are gone from sale within a month of being advertised: 36 of the 78 first advertised between 13 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £9,950. Its asking price is now £9,750, £200 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 31 October 2026: £9,950
• 4 November 2026: £9,750

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 April 2027.

It has had 8 MOTs. The latest, on 16 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 76,306 miles, which matches the advertised 85,200 miles.

Advertised mileage is about 7,900 miles higher 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 £10,490 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, grey. Mileage: 83,950 miles. Price: £10,490, £740 more than this car. Dealer: Motorpod in Newport. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-0fb5fc3c6a0a
• 2018 Audi A4 Avant S Line, 1.4 petrol estate, white. Mileage: 60,890 miles. Price: £12,490, £2,740 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: 59,850 miles. Price: £11,900, £2,150 more than this car. Dealer: Surrey Specialist Cars in Guildford. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-c5ff29b54330