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: 52,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 163 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Sri Nav has covered 52,000 miles, around 19,200 fewer miles than is typical for its age. The dealer is asking £7,998, which is £141 below the AskCar estimate of £8,139. To work out the AskCar estimate, we analyse UK dealer adverts for 1,022 Vauxhall Insignia cars across different ages and specifications. We first recorded this advert 34 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Aberdeen MG, based in Aberdeen. 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

Fair price: £141 (1%) under the AskCar estimate of £8,139.

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 34 days.

Price history

AskCar first saw this advert on 2 October 2026 at £8,498. Its asking price is now £7,998, £500 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 2 October 2026: £8,498
• 8 October 2026: £8,998
• 10 October 2026: £8,498
• 21 October 2026: £7,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 16 June 2027.

It has had 7 MOTs. The latest, on 5 June 2026, passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view; tyre pressure warning; nearside front tyre slightly damaged/cracking or perishing; and 2 more.

Mileage at that test: 47,967 miles, which matches the advertised 52,000 miles.

Advertised mileage is about 19,200 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 £7,750, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, grey. Mileage: 57,616 miles. Price: £7,500, £498 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: 46,328 miles. Price: £7,730, £268 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-2647faf73dba
• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, white. Mileage: 57,995 miles. Price: £7,750, £248 less than 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, blue, 124 miles from this car. Mileage: 73,600 miles. Price: £6,820, £1,178 less than this car. Dealer: Evans Halshaw Ford East Kilbride in East Kilbride. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-c25dc9bfd205