2025 Audi A5 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A5 Avant
• Trim: S Line
• Version: 2.0 TDI S Line S tronic Euro 6 5dr (201 bhp)
• Year: 2025
• Mileage: 5,975 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Colour: White
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 5,975 miles on the clock, this 2025 Audi A5 Avant S Line has done roughly 2,100 fewer miles than a typical 2025 Audi A5 Avant. The dealer is asking £35,450, which is £1,073 above the AskCar estimate of £34,377. To work out the AskCar estimate, we analyse UK dealer adverts for 308 Audi A5 Avant cars across different ages and specifications. We first recorded this car for sale 6 days ago. The seller is Mon Motors Cardiff Audi, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,073 (3%) over the AskCar estimate of £34,377.

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 308 priced Audi A5 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2025 Audi A5 Avant with the 2.0 diesel engine is typically advertised at £33,100: the median of the 146 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2025 Audi A5 Avant advertised 6 days ago. About 3 in 10 of 2025 Audi A5 Avant cars are gone from sale within a month of being advertised: 72 of the 220 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £35,450. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,100 miles lower than the median mileage of a 2025 Audi A5 Avant on AskCar.

Similar cars

14 other 2025 Audi A5 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £28,299 to £41,797, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2025 Audi A5 Avant S Line, 2.0 diesel estate, black. Mileage: 6,211 miles. Price: £36,880, £1,430 more than this car. Dealer: Stratstone Wolverhampton Audi in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a5-avant-2025-d902d1473b18
• 2025 Audi A5 Avant S Line, 2.0 diesel estate, blue. Mileage: 5,556 miles. Price: £35,995, £545 more than this car. Dealer: Cameron Motor Group Perth Audi in Perth. AskCar page: https://askcar.co.uk/car/audi-a5-avant-2025-edaba2786d32
• 2025 Audi A5 Avant S Line, 2.0 diesel estate, grey. Mileage: 5,336 miles. Price: £38,500, £3,050 more than this car. Dealer: Sytner Group Harrogate Audi in Harrogate. AskCar page: https://askcar.co.uk/car/audi-a5-avant-2025-9fd162672f2d

• The nearest: 2025 Audi A5 Avant S Line, 2.0 diesel estate, black, 19 miles from this car. Mileage: 8,496 miles. Price: £41,797, £6,347 more than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a5-avant-2025-00bdef8fddad