2018 Vauxhall Insignia prices under £8,000

There are 105 used 2018 Vauxhall Insignia cars for sale under £8,000 from UK dealers on AskCar, as of 9 November 2026. Typical asking price £6,300 (the median: half cost less, half cost more). The cheapest is £3,000. The middle half are priced between £5,400 and £7,500. Median mileage: about 84,000 miles.

Dealers lowered the asking price on more than one in five of 2018 Vauxhall Insignia cars under £8,000: 25 of the 105 in the 14 days to 9 November 2026.

AskCar lists 1,105 used Vauxhall Insignia across the UK, from 749 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.

2018 Vauxhall Insignia cars for sale now under £8,000, page 1 of 3

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. 95 of the 96 cars listed here meet these rules. Pages 2 to 3 list every other 2018 Vauxhall Insignia 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 1,021 priced Vauxhall Insignia adverts on AskCar as of 9 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 Vauxhall Insignia.

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

Best value 2018 Vauxhall Insignia: priced furthest below the AskCar estimate

These 10 are priced 11% to 20% under their AskCar estimate. Their asking prices run from £3,990 to £7,495.

Cheapest 2018 Vauxhall Insignia: the lowest asking prices

These 10 are priced £3,000 to £4,295. They have covered 100,991 to 148,000 miles.

Lowest-mileage 2018 Vauxhall Insignia

These 10 have covered 46,062 to 54,000 miles. Their asking prices run from £6,495 to £7,995.

Recently reduced 2018 Vauxhall Insignia: 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 £500 to £1,612.

Newly advertised 2018 Vauxhall Insignia: 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.

Vauxhall Insignia by gearbox, fuel and body

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