2018 Vauxhall Insignia SRI NAV
Price: £4,990. Good value: £606 (10%) under the AskCar estimate of £5,596, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,038 priced Vauxhall Insignia adverts on AskCar as of 7 November 2026.
AskCar lists 1,128 used Vauxhall Insignia from 765 UK dealerships, as of 7 November 2026.
Overview
- Make: Vauxhall
- Model: Insignia
- Trim: SRI NAV
- Version: SRI NAV Manual FWD Euro 6
- Year: 2018
- Mileage: 106,715 miles
- Fuel: Petrol
- Body: Hatchback, 5 seats
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Black
- CO2: 136 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Vauxhall Insignia Sri Nav is advertised with 106,715 miles, approximately 33,200 above the typical mileage for its age. The AskCar estimate for this car is £5,596. It is priced at £4,990, which is £606 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,038 Vauxhall Insignia cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 73 days. The government's MOT record matches its advertised mileage. You can find this car at Allen & Forey Cars in Chalfont St. Giles. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Good value: £606 (10%) under the AskCar estimate of £5,596.
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 1,038 priced Vauxhall Insignia adverts across different ages and specifications, as of 7 November 2026.
Time on sale
The dealer may accept less. This 2018 Vauxhall Insignia has been on sale for at least 73 days. About 6 in 10 of 2018 Vauxhall Insignia cars are gone from sale within a month of being advertised: 140 of the 251 first advertised between 11 July 2026 and 4 October 2026.
Price history
AskCar first saw this advert on 26 August 2026 at £4,990. 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 7 November 2026: valid until 11 June 2027.
It has had 7 MOTs. The latest, on 21 May 2026, passed.
Advisories at the latest test: rear brake disc worn, pitted or scored, but not seriously weakened both discs; rear brake lining(s) wearing thin; nearside rear tyre worn close to legal limit/worn on edge.
Mileage at that test: 104,731 miles, which matches the advertised 106,715 miles.
Advertised mileage is about 33,200 miles higher than the median mileage of a 2018 Vauxhall Insignia on AskCar.
Browse all Vauxhall Insignia cars for sale · 2018 Vauxhall Insignia price guide
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Photos
26 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.