2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)

Mileage

41,349 miles

Year

2021

Fuel type

Petrol Hybrid

Body type

Saloon

Engine

1.5 L

Gearbox

Automatic

Power

148 bhp

Seats

5

CO2

131 g/km

Colour

Grey

Doors

4

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TFSI

Hybrid type

Mild hybrid

Emissions standard

Euro 6

About this car

This 2021 Audi A3 S Line is advertised with 41,349 miles on the clock. Its asking price of £16,998 is £1,539 below our estimate of £18,537. We use UK dealer asking prices, including 6,532 Audi A3 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 74 days ago, the asking price has dropped by £1,701. The time on sale and price change could be useful context when negotiating. Its recorded MOT is valid until 29 June 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Lookers Car Hub South Shields, based in South Shields.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £18,537. The asking price is £1,539 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 6,532 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,700 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.