2018 Vauxhall Insignia 1.6 Turbo D ecoTEC Design NAV

Overview

• Make: Vauxhall
• Model: Insignia
• Trim: Design NAV
• Version: 1.6 Turbo D ecoTEC Design NAV Manual FWD Euro 6 (s/s) 5dr Grand Sport
• Year: 2018
• Mileage: 109,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.6 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 105 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Design Nav has covered 109,000 miles, around 37,800 more miles than is typical for its age. The dealer is asking £3,950, which is £334 below the AskCar estimate of £4,284. 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 7 days ago, and its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. You can find this car at Fengate Motors in Peterborough. 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: £334 (7%) under the AskCar estimate of £4,284.

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 1.6 diesel engine is typically advertised at £6,000: the median of the 53 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Vauxhall Insignia has been on sale for at least 7 days.

Price history

AskCar first saw this advert on 29 October 2026 at £4,450. Its asking price is now £3,950, £500 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 29 October 2026: £4,450
• 1 November 2026: £3,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 10 February 2027.

It has had 7 MOTs. The latest, on 2 February 2026, passed.

Advisories at the latest test: nearside rear brake pad(s) wearing thin; offside rear brake pad(s) wearing thin; tpms light on showing low pressure.

Mileage at that test: 104,689 miles, which matches the advertised 109,000 miles.

Advertised mileage is about 37,800 miles higher than the median mileage of a 2018 Vauxhall Insignia on AskCar.

Similar cars

5 other 2018 Vauxhall Insignia Design NAV 1.6 diesel manual hatchbacks are for sale at UK dealers, from £3,000 to £5,390, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey. Mileage: 100,000 miles. Price: £4,500, £550 more than this car. Dealer: Indus Motors in Milton Keynes. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-3fd2999bfbfe
• 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey. Mileage: 120,000 miles. Price: £3,490, £460 less than this car. Dealer: Drivehub Cambs in Peterborough. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-b11546e17582
• 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey. Mileage: 121,600 miles. Price: £3,775, £175 less than this car. Dealer: DSR Autocare in Leicester. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-2637498f5eca

• The nearest: 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey, under a mile from this car. Mileage: 77,073 miles. Price: £5,390, £1,440 more than this car. Dealer: A Star Motor Unit in Fengate. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-dceeb1121a07