2018 Vauxhall Insignia prices

This 2018 Vauxhall Insignia is no longer listed. Here are similar cars for sale now.

There are 145 used 2018 Vauxhall Insignia cars for sale from UK dealers on AskCar, as of 6 November 2026. Typical asking price £7,000 (the median: half cost less, half cost more). The cheapest is £3,000. The middle half are priced between £5,800 and £9,000. Median mileage: about 73,000 miles.

Dealers lowered the asking price on more than a quarter of 2018 Vauxhall Insignia cars: 39 of the 145 in the 14 days to 6 November 2026.

2018 Vauxhall Insignia prices by engine and mileage

A 2018 Vauxhall Insignia 1.5 petrol car typically costs £8,100, against £6,000 for the 1.6 diesel, as of 6 November 2026.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.6 diesel£6,000Too few for saleToo few for saleToo few for sale£5,800
1.5 petrol£8,100Too few for saleToo few for saleToo few for saleToo few for sale
2.0 diesel£7,700Too few for saleToo few for saleToo few for sale£7,000

2018 Vauxhall Insignia prices by trim

TrimTypical asking price, 2018 cars
SRI VX Line NAV£7,600
SRI NAV£7,400
Elite NAVToo few for sale
Design NAVToo few for sale
Tech Line NAVToo few for sale
DesignToo few for sale
SRIToo few for sale
SRI VX LineToo few for sale

Only 16 of the 2018 Vauxhall Insignia cars for sale are Elite NAV, too few to give a typical asking price.

Only 13 of the 2018 Vauxhall Insignia cars for sale are Design NAV, too few to give a typical asking price.

Only 11 of the 2018 Vauxhall Insignia cars for sale are Tech Line NAV, too few to give a typical asking price.

Only 8 of the 2018 Vauxhall Insignia cars for sale are Design, too few to give a typical asking price.

Only 6 of the 2018 Vauxhall Insignia cars for sale are SRI, too few to give a typical asking price.

Only 1 of the 2018 Vauxhall Insignia cars for sale are SRI VX Line, too few to give a typical asking price.

Typical asking prices are of 2018 Vauxhall Insignia cars for sale on 6 November 2026, and are given only where at least 20 cars with a price are for sale.

2018 Vauxhall Insignia against other years

A 2017 Vauxhall Insignia car has a typical asking price of £6,000 and a 2019 one £7,000, as of 6 November 2026.

AskCar lists 1,124 used Vauxhall Insignia across the UK, from 760 dealerships.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 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, 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. 132 of the 134 cars listed here meet these rules. Pages 2 to 3 list every other 2018 Vauxhall Insignia car, cheapest first, including the 2 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 1,032 priced Vauxhall Insignia adverts on AskCar as of 6 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 11 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 21% under their AskCar estimate. Their asking prices run from £4,295 to £11,220.

Cheapest 2018 Vauxhall Insignia: the lowest asking prices

These 10 are priced £3,000 to £4,399. They have covered 100,000 to 148,000 miles.

Lowest-mileage 2018 Vauxhall Insignia

These 10 have covered 9,150 to 32,042 miles. Their asking prices run from £8,995 to £21,995.

Recently reduced 2018 Vauxhall Insignia: the biggest price reductions in the 14 days to 6 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 6 November 2026. Their reductions since AskCar first saw them run from £610 to £2,050.

Newly advertised 2018 Vauxhall Insignia: first seen by AskCar in the 7 days to 6 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

Vauxhall Insignia prices by year

Vauxhall Insignia by trim

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2018 Vauxhall Insignia by trim

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