2021 Audi A5

2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (161 bhp)

£18,840

Fair price: within 8% of the typical £20,358 for this model, age and mileage, drawing on 1,862 adverts of this make and model.

Overview

Make
Audi
Model
A5
Trim
S LINE
Version
2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (161 bhp)
Mileage
48,707 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
161 bhp
Seats
5
CO2
137 g/km
Colour
White
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2021 Audi A5 S Line is advertised with 48,707 miles on the clock. Its asking price of £18,840 is £1,518 below our estimate of £20,358. To estimate its market asking price, we analyse UK dealer adverts for 1,862 Audi A5 cars across different ages and specifications. We first recorded this advert 82 days ago, and its asking price has since fallen by £1,170. The time on sale and price change could be useful context when negotiating. Its MOT is recorded as valid until 22 April 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Big Motoring World Blue Bell Hill in Chatham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 July 2026, 82 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,170 from the first recorded £20,010. 11 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
30 July 2026£20,010
31 July 2026£19,970
3 August 2026£19,950
2 September 2026£20,100
4 September 2026£20,130
5 September 2026£20,110
7 October 2026£18,640
8 October 2026£19,100
9 October 2026£19,070
10 October 2026£19,050
11 October 2026£19,020
13 October 2026£18,920
14 October 2026£18,870
16 October 2026£18,860
17 October 2026£18,840
19 October 2026£18,840

Price and mileage comparison

Estimated market asking price: £20,358. The asking price is £1,518 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,862 adverts of this make and model across different ages and specifications.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 22 April 2027. 46,429 miles at the last test.

33 other cars with the same year, trim, gearbox and fuel are for sale from £16,500 to £23,099.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,50080,668 miles
£16,50082,210 miles
£17,99073,350 miles
£18,48967,000 miles
£18,49047,200 miles

These cars have covered 17,325–95,000 miles, compared with 48,707 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi A5 cars for sale · 2021 Audi A5 price guide

Similar cars for less

Dealer

Big Motoring World Blue Bell Hill, Chatham. Across the dealer network: 12 branches, 8,652 cars for sale.

Dealer postcode: ME5 9QG.

Dealer opening hours

Monday
10:00-19:00
Tuesday
10:00-19:00
Wednesday
10:00-19:00
Thursday
10:00-19:00
Friday
10:00-19:00
Saturday
08:30-18:00
Sunday
09:30-17:00

Vehicle photos