2017 Vauxhall Astra GTC prices

There are 18 used 2017 Vauxhall Astra GTC cars for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £5,100 (the median: half cost less, half cost more). The cheapest is £3,285. The middle half are priced between £4,600 and £8,000. Median mileage: about 68,000 miles.

Dealers lowered the asking price on more than one in ten of 2017 Vauxhall Astra GTC cars: 3 of the 18 in the 14 days to 9 November 2026.

2017 Vauxhall Astra GTC against other years

A 2016 Vauxhall Astra GTC car has a typical asking price of £5,000, as of 9 November 2026.

AskCar lists 252 used Vauxhall Astra GTC across the UK, from 202 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.

2017 Vauxhall Astra GTC cars for sale now, page 1 of 2

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. 14 of the 15 cars listed here meet these rules. Page 2 lists every other 2017 Vauxhall Astra GTC car, cheapest first, including the one 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 231 priced Vauxhall Astra GTC adverts on AskCar as of 9 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2017 Vauxhall Astra GTC.

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 3 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value 2017 Vauxhall Astra GTC: priced furthest below the AskCar estimate

These 10 are priced 0% to 12% under their AskCar estimate. Their asking prices run from £3,285 to £10,995.

Cheapest 2017 Vauxhall Astra GTC: the lowest asking prices

These 10 are priced £3,285 to £6,295. They have covered 33,000 to 101,000 miles.

Lowest-mileage 2017 Vauxhall Astra GTC

These 10 have covered 25,000 to 73,000 miles. Their asking prices run from £4,490 to £10,995.

Recently reduced 2017 Vauxhall Astra GTC: the biggest price reductions in the 14 days to 9 November 2026

The dealer lowered the asking price on each of these 3 in the 14 days to 9 November 2026. Their reductions since AskCar first saw them run from £250 to £715.

Newly advertised 2017 Vauxhall Astra GTC: first seen by AskCar in the 7 days to 9 November 2026

These 2 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

Vauxhall Astra GTC by gearbox, fuel and body

Vauxhall Astra GTC prices by year

Vauxhall Astra GTC by trim

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