2023 Vauxhall Astra GS prices

There are 497 used 2023 Vauxhall Astra GS cars for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £14,300 (the median: half cost less, half cost more). The cheapest is £9,275. The middle half are priced between £13,400 and £15,000. Median mileage: about 21,000 miles.

Dealers lowered the asking price on more than half of 2023 Vauxhall Astra GS cars: 255 of the 497 in the 14 days to 9 November 2026.

2023 Vauxhall Astra GS prices by engine and mileage

A 2023 Vauxhall Astra GS 1.5 diesel car typically costs £14,500, against £14,300 for the 1.2 petrol, as of 9 November 2026.

A 2023 Vauxhall Astra GS 1.2 petrol car with under 20,000 miles typically costs £15,000, against £12,500 with 40,000 to 60,000 miles.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.2 petrol£14,300£15,000£13,900£12,500Too few for sale
1.5 diesel£14,500Too few for saleToo few for saleToo few for saleToo few for sale

Only 8 of the 2023 Vauxhall Astra GS cars for sale have the 1.6 plug-in hybrid engine, too few to give a typical asking price.

Typical asking prices are of 2023 Vauxhall Astra GS cars for sale on 9 November 2026, and are given only where at least 20 cars with a price are for sale.

2023 Vauxhall Astra GS against other years

A 2024 Vauxhall Astra GS car has a typical asking price of £15,800, as of 9 November 2026.

AskCar lists 3,906 used Vauxhall Astra across the UK, from 1,856 dealerships.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2023 Vauxhall Astra GS cars for sale now, page 1 of 10

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 473 of the 496 cars listed here meet these rules. Pages 2 to 10 list every other 2023 Vauxhall Astra GS car, cheapest first, including the 23 the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 3,732 priced Vauxhall Astra adverts on AskCar as of 9 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2023 Vauxhall Astra GS.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.

Best value 2023 Vauxhall Astra GS: priced furthest below the AskCar estimate

These 10 are priced 10% to 16% under their AskCar estimate. Their asking prices run from £11,191 to £13,800.

Cheapest 2023 Vauxhall Astra GS: the lowest asking prices

These 10 are priced £10,150 to £11,188. They have covered 49,424 to 83,338 miles.

Lowest-mileage 2023 Vauxhall Astra GS

These 10 have covered 180 to 3,500 miles. Their asking prices run from £15,060 to £17,500.

Recently reduced 2023 Vauxhall Astra GS: the biggest price reductions in the 14 days to 9 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 9 November 2026. Their reductions since AskCar first saw them run from £2,300 to £3,740.

Newly advertised 2023 Vauxhall Astra GS: first seen by AskCar in the 7 days to 9 November 2026

These 10 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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