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: 21,500 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 21,500 miles on the clock. The dealer is asking £10,495, which is £3,538 below the AskCar estimate of £14,033. We recommend confirming the advertised price and vehicle details. The AskCar estimate draws on 3,778 Vauxhall Astra adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. You can find this car at Yaddlethorpe Motor Company Yaddlethorpe Motor Co in Scunthorpe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Far below the going rate: £3,538 (25%) under the AskCar estimate of £14,033. Worth asking the dealer why.

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 3,778 priced Vauxhall Astra adverts across different ages and specifications, as of 11 November 2026.

A 2023 Vauxhall Astra with the 1.2 petrol engine is typically advertised at £14,300: the median of the 661 for sale on AskCar, as of 11 November 2026.

Time on sale

AskCar first saw this 2023 Vauxhall Astra advertised today. About half of 2023 Vauxhall Astra cars are gone from sale within a month of being advertised: 552 of the 1,195 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £10,495. 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 11 November 2026: valid until 9 November 2027.

It has had one MOT, on 10 November 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 21,164 miles, which matches the advertised 21,500 miles.

Advertised mileage is about 900 miles higher than the median mileage of a 2023 Vauxhall Astra on AskCar.

Similar cars

200 other 2023 Vauxhall Astra GS 1.2 petrol manual hatchbacks are for sale at UK dealers, from £9,275 to £17,000, as of 11 November 2026.

The 3 closest to this car in mileage:

• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, white. Mileage: 21,558 miles. Price: £13,850, £3,355 more than this car. Dealer: Drive Motor Retail drivedirect Darlington Vauxhall in Darlington. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-219e6182ee39
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, blue. Mileage: 21,598 miles. Price: £13,995, £3,500 more than this car. Dealer: Cawdor Cars (Carmarthen) in Carmarthen. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-5d4432349dd8
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, yellow. Mileage: 21,619 miles. Price: £14,498, £4,003 more than this car. Dealer: Arnold Clark East Kilbride Vauxhall in East Kilbride. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-2ee9111e8c14

• The nearest: 2023 Vauxhall Astra GS, 1.2 petrol hatchback, blue, 3 miles from this car. Mileage: 27,357 miles. Price: £13,298, £2,803 more than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-790662a0877c