2026 Audi A3
1.5 TFSI S Line S tronic FWD Euro 6 (s/s) 5dr Sportback
£27,250
Fair price: within 8% of the typical £28,801 for this model, age and mileage, drawing on 6,484 adverts of this make and model.
Overview
- Make
- Audi
- Model
- A3
- Trim
- S LINE
- Version
- 1.5 TFSI S Line S tronic FWD Euro 6 (s/s) 5dr Sportback
- Mileage
- 5,000 miles
- Year
- 2026
- Fuel type
- Petrol
- Body type
- Hatchback
- Engine
- 1.5 L
- Gearbox
- Automatic
- Seats
- 5
- CO2
- 125 g/km
- Colour
- Blue
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
This 2026 Audi A3 S Line has covered 5,000 miles. At £27,250, it is advertised £1,551 below our estimated market asking price of £28,801. To estimate its market asking price, we analyse UK dealer adverts for 6,484 Audi A3 cars across different ages and specifications. Since we first spotted the advert 108 days ago, the asking price has dropped by £2,600. That may be worth mentioning if you discuss the price with the dealer. The seller is Mon Motors Cardiff Audi, based in Cardiff.
Stock data from 19 October 2026.
Price history
First seen on 4 July 2026, 108 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £2,600 from the first recorded £29,850. 11 price reductions recorded, the latest observed on 13 October 2026.
| Date observed | Asking price |
|---|---|
| 5 July 2026 | £29,850 |
| 14 July 2026 | £29,350 |
| 22 July 2026 | £28,650 |
| 30 July 2026 | £28,500 |
| 7 August 2026 | £28,250 |
| 10 August 2026 | £27,950 |
| 11 August 2026 | £27,950 |
| 21 August 2026 | £27,850 |
| 2 September 2026 | £27,750 |
| 9 September 2026 | £27,850 |
| 18 September 2026 | £27,800 |
| 26 September 2026 | £27,500 |
| 6 October 2026 | £27,350 |
| 13 October 2026 | £27,250 |
| 19 October 2026 | £27,250 |
Price and mileage comparison
Estimated market asking price: £28,801. The asking price is £1,551 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 1,700 miles higher than typical for a 2026 Audi A3.
MOT
MOT no details held by dvla.
68 other cars with the same year, trim, gearbox and fuel are for sale from £8,995 to £36,000.
| Asking price | Mileage |
|---|---|
| £8,995 | 90,200 miles |
| £25,699 | 1,439 miles |
| £26,089 | 5,011 miles |
| £26,493 | 1,414 miles |
| £26,495 | 5,785 miles |
These cars have covered 4–90,200 miles, compared with 5,000 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 A3 cars for sale · 2026 Audi A3 price guide
Similar cars for less
- 2026 Audi A3, 1,454 miles, £26,595, £3,680 under typical, Swindon
- 2026 Audi A3, 1,454 miles, £26,595, £3,680 under typical, Swindon
- 2026 Audi A3, 2,900 miles, £23,999, £2,965 under typical, King's Lynn
Dealer
Mon Motors Cardiff Audi, Cardiff. Across the dealer network: 21 branches, 1,201 cars for sale.
Dealer postcode: CF23 8RT.
Dealer opening hours
- Monday
- 08:00-18:00
- Tuesday
- 08:00-18:00
- Wednesday
- 08:00-18:00
- Thursday
- 08:00-18:00
- Friday
- 08:00-18:00
- Saturday
- 08:00-17:00
- Sunday
- 10:00-16:00