2018 Vauxhall Insignia 1.5 i Turbo SRI NAV

Overview

• Make: Vauxhall
• Model: Insignia
• Trim: SRI NAV
• Version: 1.5 i Turbo SRI NAV Manual FWD Euro 6 (s/s) 5dr Grand Sport (163 bhp)
• Year: 2018
• Mileage: 46,328 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 163 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Sri Nav is advertised with 46,328 miles, approximately 24,900 below the typical mileage for its age. Priced at £7,730, it is advertised £746 below the AskCar estimate of £8,476. To work out the AskCar estimate, we analyse UK dealer adverts for 1,022 Vauxhall Insignia cars across different ages and specifications. The asking price is now £320 lower than when we first recorded the advert 30 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Hilton Garage, based in Derby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £746 (8%) under the AskCar estimate of £8,476.

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 1,022 priced Vauxhall Insignia adverts across different ages and specifications, as of 5 November 2026.

A 2018 Vauxhall Insignia with the 1.5 petrol engine is typically advertised at £8,300: the median of the 51 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Vauxhall Insignia has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 6 October 2026 at £8,050. Its asking price is now £7,730, £320 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 6 October 2026: £8,050
• 30 October 2026: £8,150
• 2 November 2026: £7,730

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 May 2027.

It has had 7 MOTs. The latest, on 7 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,309 miles, which matches the advertised 46,328 miles.

Advertised mileage is about 24,900 miles lower than the median mileage of a 2018 Vauxhall Insignia on AskCar.

Similar cars

7 other 2018 Vauxhall Insignia SRI NAV 1.5 petrol manual hatchbacks are for sale at UK dealers, from £4,002 to £7,998, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, red. Mileage: 52,000 miles. Price: £7,998, £268 more than this car. Dealer: Arnold Clark Aberdeen MG in Aberdeen. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-866ca475dd1f
• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, grey. Mileage: 57,616 miles. Price: £7,500, £230 less than this car. Dealer: M.m.r Motor Group in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-6592666c8e95
• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, white. Mileage: 57,995 miles. Price: £7,750, the same price as this car. Dealer: LuxCarz in St Helens. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-738710bc128b

• The nearest: 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, silver, 46 miles from this car. Mileage: 70,869 miles. Price: £7,295, £435 less than this car. Dealer: Kirby Vehicle Sales in Barnsley. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-460ef8f62788