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 (108 bhp)
• Year: 2018
• Mileage: 100,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.6 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 105 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Design Nav has covered 100,000 miles, around 28,800 more miles than is typical for its age. Its asking price of £4,500 is £110 above the AskCar estimate of £4,390. To work out the AskCar estimate, we analyse UK dealer adverts for 1,022 Vauxhall Insignia cars across different ages and specifications. This car was first seen in our listings data 29 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Indus Motors in Milton Keynes. 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: £110 (2%) over the AskCar estimate of £4,390.

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 29 days.

Price history

AskCar first saw this advert on 7 October 2026 at £4,500. 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 5 November 2026: valid until 19 December 2026.

It has had 5 MOTs. The latest, on 17 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 99,567 miles, which matches the advertised 100,000 miles.

Advertised mileage is about 28,800 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, red. Mileage: 109,000 miles. Price: £3,950, £550 less than this car. Dealer: Fengate Motors in Fengate. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-2e0118ebd079
• 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey. Mileage: 120,000 miles. Price: £3,490, £1,010 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, £725 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, 43 miles from this car. Mileage: 77,073 miles. Price: £5,390, £890 more than this car. Dealer: A Star Motor Unit in Fengate. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-dceeb1121a07