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 Sports Tourer (128 bhp)
• Year: 2023
• Mileage: 20,500 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.2 litres, 128 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Vauxhall Astra GS is advertised with 20,500 miles on the clock. Its asking price of £15,499 is £783 above the AskCar estimate of £14,716. The AskCar estimate uses 3,837 UK dealer adverts for the Vauxhall Astra, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 21 days. Its advertised mileage matches the government's MOT record. The seller is Sherwoods Suzuki Gateshead, based in Gateshead. 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: £783 (5%) over the AskCar estimate of £14,716.

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 21 days.

Price history

AskCar first saw this advert on 15 October 2026 at £15,499. 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 4 August 2027.

It has had one MOT, on 5 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 17,722 miles, which matches the advertised 20,500 miles.

Advertised mileage is about 100 miles higher than the median mileage of a 2023 Vauxhall Astra on AskCar.

Similar cars

65 other 2023 Vauxhall Astra GS 1.2 petrol automatic estates are for sale at UK dealers, from £11,188 to £16,998, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Vauxhall Astra GS, 1.2 petrol estate, red. Mileage: 20,335 miles. Price: £14,498, £1,001 less than this car. Dealer: Thurlow Nunn Wisbech in Wisbech. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-d29b9f337688
• 2023 Vauxhall Astra GS, 1.2 petrol estate, blue. Mileage: 20,212 miles. Price: £14,180, £1,319 less than this car. Dealer: Evans Halshaw MG Grantham in Grantham. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-190bad50b684
• 2023 Vauxhall Astra GS, 1.2 petrol estate, blue. Mileage: 20,998 miles. Price: £14,190, £1,309 less than this car. Dealer: Evans Halshaw Ford Merthyr Tydfil in Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-9eda48a3b8af

• The nearest: 2023 Vauxhall Astra GS, 1.2 petrol estate, red, 6 miles from this car. Mileage: 15,501 miles. Price: £15,199, £300 less than this car. Dealer: Lookers Car Hub South Shields in South Shields. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-12c7168e5b6d