2023 Vauxhall Astra 1.2 Turbo GS

Price: £12,477. Fair price: £204 (1%) under the AskCar estimate of £12,682, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,837 priced Vauxhall Astra adverts on AskCar as of 5 November 2026.

AskCar lists 4,036 used Vauxhall Astra from 1,898 UK dealerships, as of 5 November 2026.

Overview

  • Make: Vauxhall
  • Model: Astra
  • Trim: GS
  • Version: 1.2 Turbo GS Manual FWD Euro 6 (s/s) 5dr (128 bhp)
  • Year: 2023
  • Mileage: 39,778 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.2 litres, 128 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 126 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Vauxhall Astra GS is advertised with 39,778 miles, approximately 19,400 above the typical mileage for its age. The AskCar estimate for this car is £12,682. It is priced at £12,477, which is £204 below that estimate. The AskCar estimate uses UK dealer asking prices, including 3,837 Vauxhall Astra adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 12 days ago. Its advertised mileage matches the government's MOT record. The seller is CarSupermarket.com Birmingham, based in Birmingham. 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: £204 (1%) under the AskCar estimate of £12,682.

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 3,837 priced Vauxhall Astra adverts across different ages and specifications, as of 5 November 2026.

A 2023 Vauxhall Astra with the 1.2 petrol engine is typically advertised at £14,400: the median of the 649 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Vauxhall Astra has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 24 October 2026 at £12,477. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 June 2027.

It has had one MOT, on 17 June 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 35,976 miles, which matches the advertised 39,778 miles.

Advertised mileage is about 19,400 miles higher than the median mileage of a 2023 Vauxhall Astra on AskCar.

Similar cars

203 other 2023 Vauxhall Astra GS 1.2 petrol manual hatchbacks are for sale at UK dealers, from £9,275 to £17,000, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2023 Vauxhall Astra GS, 1.2 petrol hatchback, black. Mileage: 39,757 miles. Price: £13,498, £1,021 more than this car. Dealer: Arnold Clark Linwood Motorstore / BYD in Linwood. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-1271f349c64c
  • 2023 Vauxhall Astra GS, 1.2 petrol hatchback, silver. Mileage: 40,201 miles. Price: £12,320, £157 less than this car. Dealer: Evans Halshaw Vauxhall Falkirk in Falkirk. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-63fee927bd5b
  • 2023 Vauxhall Astra GS, 1.2 petrol hatchback, black. Mileage: 39,038 miles. Price: £12,159, £318 less than this car. Dealer: Eden Vauxhall Newbury in Newbury. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-49f1fcb7dcca
  • The nearest: 2023 Vauxhall Astra GS, 1.2 petrol hatchback, blue, 12 miles from this car. Mileage: 15,015 miles. Price: £13,540, £1,063 more than this car. Dealer: Rox Cars in Aldridge. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-6d6ff4daa1e4

Browse all Vauxhall Astra cars for sale · 2023 Vauxhall Astra price guide

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Photos

32 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.