2023 Vauxhall Astra 1.2 Turbo GS

Overview

• Make: Vauxhall
• Model: Astra
• Trim: GS
• Version: 1.2 Turbo GS Manual FWD Euro 6 (s/s) 5dr (128 bhp)
• Year: 2023
• Mileage: 20,691 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.2 litres, 128 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2023 Vauxhall Astra GS is 20,691 miles. Its asking price of £13,650 is £599 below the AskCar estimate of £14,249. The AskCar estimate uses UK dealer asking prices, including 3,809 Vauxhall Astra adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 36 days ago, the asking price has dropped by £840. Its advertised mileage matches the government's MOT record. The seller is Advance Vauxhall Hemel Hempstead, based in Hemel Hempstead. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £599 (4%) under the AskCar estimate of £14,249.

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 3,809 priced Vauxhall Astra adverts across different ages and specifications, as of 6 November 2026.

A 2023 Vauxhall Astra with the 1.2 petrol engine is typically advertised at £14,400: the median of the 657 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 Vauxhall Astra has been on sale for at least 36 days.

Price history

AskCar first saw this advert on 1 October 2026 at £14,490. Its asking price is now £13,650, £840 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 1 October 2026: £14,490
• 21 October 2026: £14,090
• 3 November 2026: £13,650

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 19 August 2027.

It has had one MOT, on 20 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 20,674 miles, which matches the advertised 20,691 miles.

Advertised mileage is about 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 6 November 2026.

The 3 closest to this car in mileage:

• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, black. Mileage: 20,749 miles. Price: £13,700, £50 more than this car. Dealer: John Keeble in Ipswich. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-ec1ecaaf4150
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, grey. Mileage: 20,857 miles. Price: £14,250, £600 more than this car. Dealer: Perrys Broadstairs BYD in Broadstairs. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-6ba025aaefd1
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, yellow. Mileage: 20,510 miles. Price: £14,750, £1,100 more than this car. Dealer: Dobies Cumbria Motors in Workington. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-165d4d341dad

• The nearest: 2023 Vauxhall Astra GS, 1.2 petrol hatchback, blue, 9 miles from this car. Mileage: 34,385 miles. Price: £11,200, £2,450 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-5b16c42ce63c