2023 Vauxhall Astra 1.2 Turbo GS

Overview

• Make: Vauxhall
• Model: Astra
• Trim: GS
• Version: 1.2 Turbo GS Auto FWD Euro 6 (s/s) 5dr (128 bhp)
• Year: 2023
• Mileage: 18,441 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.2 litres, 128 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: White
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Vauxhall Astra GS is advertised with 18,441 miles on the clock. The dealer is asking £15,077, which is £343 above the AskCar estimate of £14,734. To work out the AskCar estimate, we analyse UK dealer adverts for 3,837 Vauxhall Astra cars across different ages and specifications. Since we first spotted the advert 25 days ago, the asking price has dropped by £158. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Ron Brooks Toyota Mansfield, based in Mansfield. 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: £343 (2%) over the AskCar estimate of £14,734.

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 25 days.

Price history

AskCar first saw this advert on 11 October 2026 at £15,235. Its asking price is now £15,077, £158 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 11 October 2026: £15,235
• 21 October 2026: £15,350
• 30 October 2026: £15,147
• 5 November 2026: £15,077

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 12 October 2027.

It has had one MOT, on 13 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,441 miles, which matches the advertised 18,441 miles.

Advertised mileage is about 1,900 miles lower than the median mileage of a 2023 Vauxhall Astra on AskCar.

Similar cars

60 other 2023 Vauxhall Astra GS 1.2 petrol automatic hatchbacks are for sale at UK dealers, from £10,390 to £16,798, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, yellow. Mileage: 18,453 miles. Price: £15,298, £221 more than this car. Dealer: Arnold Clark Chertsey Motorstore / Geely in Chertsey. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-65bc523e32a8
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, white. Mileage: 18,155 miles. Price: £14,720, £357 less than this car. Dealer: Big Motoring World Wimbledon in Wimbledon. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-7994e2a7aff4
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, black. Mileage: 18,867 miles. Price: £15,054, the same price as this car. Dealer: Perrys Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-e622c9c2a982

• The nearest: 2023 Vauxhall Astra GS, 1.2 petrol hatchback, yellow, under a mile from this car. Mileage: 25,098 miles. Price: £13,930, £1,147 less than this car. Dealer: Evans Halshaw Citroen Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-7ac1761d8145