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: 57,995 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

With 57,995 miles on the clock, this 2018 Vauxhall Insignia Sri Nav has done roughly 14,600 fewer miles than a typical 2018 Vauxhall Insignia. Its asking price of £7,750 is £35 below the AskCar estimate of £7,785. The AskCar estimate uses UK dealer asking prices, including 1,032 Vauxhall Insignia adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 60 days ago. Its asking price has since fallen by £200. Our records show an MOT expiry date of 4 November 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at LuxCarz in St. Helens. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £35 (under 1%) under the AskCar estimate of £7,785.

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 1,032 priced Vauxhall Insignia adverts across different ages and specifications, as of 6 November 2026.

A 2018 Vauxhall Insignia with the 1.5 petrol engine is typically advertised at £8,100: the median of the 48 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 Vauxhall Insignia has been on sale for at least 60 days.

Price history

AskCar first saw this advert on 7 September 2026 at £7,950. Its asking price is now £7,750, £200 less. The latest price cut was seen on 17 September 2026.

Price changes recorded:

• 7 September 2026: £7,950
• 17 September 2026: £7,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 4 November 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 5 November 2025, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; rear brake disc worn, pitted or scored, but not seriously weakened; front brake pad(s) wearing thin; and 1 more.

Mileage at that test: 54,455 miles, which matches the advertised 57,995 miles.

Advertised mileage is about 14,600 miles lower than the median mileage of a 2018 Vauxhall Insignia on AskCar.

Similar cars

6 other 2018 Vauxhall Insignia SRI NAV 1.5 petrol manual hatchbacks are for sale at UK dealers, from £4,002 to £7,730, as of 6 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, £250 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, grey. Mileage: 67,900 miles. Price: £6,749, £1,001 less than this car. Dealer: Westside Autos in West Drayton. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-48cfefd604ec
• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, white. Mileage: 46,328 miles. Price: £7,730, the same price as this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-2647faf73dba

• The nearest: 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, silver, 55 miles from this car. Mileage: 70,869 miles. Price: £7,295, £455 less than this car. Dealer: Kirby Vehicle Sales in Barnsley. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-460ef8f62788