2026 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

1.5 TFSI S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)

Mileage

5,450 miles

Year

2026

Fuel type

Petrol Hybrid

Body type

Hatchback

Engine

1.5 L

Gearbox

Automatic

Power

148 bhp

Seats

5

CO2

125 g/km

Colour

Black

Doors

5

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TFSI

Hybrid type

Mild hybrid

Emissions standard

Euro 6

About this car

This 2026 Audi A3 S Line has covered 5,450 miles, around 2,100 more than typical for its age. The dealer is asking £28,290, which is £307 below our market estimate of £28,597. We use UK dealer asking prices, including 6,484 Audi A3 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 30 days ago, the asking price has dropped by £1,200. It is advertised by Group 1 Automotive Finchley Road Audi in London.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £28,597. The asking price is £307 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 6,484 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,100 miles higher than typical for a 2026 Audi A3.