2023 Vauxhall Astra 1.5 Turbo D GS Line
Price: £17,498. Fair price: £558 (3%) over the AskCar estimate of £16,940, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,756 priced Vauxhall Astra adverts on AskCar as of 8 November 2026.
AskCar lists 3,991 used Vauxhall Astra from 1,891 UK dealerships, as of 8 November 2026.
Overview
- Make: Vauxhall
- Model: Astra
- Trim: GS Line
- Version: 1.5 Turbo D GS Line Manual FWD Euro 6 5dr (128 bhp)
- Year: 2023
- Mileage: 5,540 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 1.5 litres, 128 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 115 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Vauxhall Astra GS Line is advertised with 5,540 miles, approximately 15,000 below the typical mileage for its age. The dealer is asking £17,498, which is £558 above the AskCar estimate of £16,940. To work out the AskCar estimate, we analyse UK dealer adverts for 3,756 Vauxhall Astra cars across different ages and specifications. This car was first seen in our listings data 19 days ago. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Chesterfield Motorstore / Vanstore, based in Chesterfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £558 (3%) over the AskCar estimate of £16,940.
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 3,756 priced Vauxhall Astra adverts across different ages and specifications, as of 8 November 2026.
A 2023 Vauxhall Astra with the 1.5 diesel engine is typically advertised at £15,000: the median of the 54 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2023 Vauxhall Astra has been on sale for at least 19 days.
Price history
AskCar first saw this advert on 20 October 2026 at £17,498. 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 8 November 2026: valid until 16 July 2027.
It has had one MOT, on 10 July 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 5,401 miles, which matches the advertised 5,540 miles.
Advertised mileage is about 15,000 miles lower than the median mileage of a 2023 Vauxhall Astra on AskCar.
Similar cars
1 other 2023 Vauxhall Astra GS Line 1.5 diesel manual estate is for sale at UK dealers, as of 8 November 2026.
The closest to this car in mileage:
- 2023 Vauxhall Astra GS Line, 1.5 diesel estate, blue. Mileage: 18,026 miles. Price: £16,498, £1,000 less than this car. Dealer: Arnold Clark Kilmarnock Citroen Vanstore in Kilmarnock. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-d5d82e4387aa
Browse all Vauxhall Astra cars for sale · 2023 Vauxhall Astra price guide
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- Used diesel Vauxhall Astra for sale
- Used Vauxhall Astra for sale near Chesterfield
Photos
20 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.