Skip advert
Advertisement

Vauxhall Insignia ecoFLEX

Family Vauxhall goes green with eco-friendly upgrades

Find your Vauxhall Insignia
Compare deals from trusted partners on this car and previous models.
Or are you looking to sell your car?
Value my car
Fast, no-nonsense car selling
Value my car

Vauxhall has done a fantastic job of upping the Insignia’s efficiency. Not only are the fuel economy and CO2 emissions better than those of its arch-rival, the Mondeo ECOnetic, but it trumps the Ford in terms of straight-line performance, too. As always with eco sub-brands, though, it begs the question: why hasn’t Vauxhall applied these changes as standard across the entire range?

Advertisement - Article continues below

Vauxhall is cleaning up its act – with an even greener version of the award-winning Insignia. The ecoFLEX variant is designed to offer all the refinement and quality of the standard car, but with reduced running costs and less of an environmental impact.

The ecoFLEX is available with only one engine, but the 158bhp 2.0 CDTI turbodiesel is the pick of the range. It rides 10mm lower than the standard model, while flat panelling on the underbody helps to reduce aerodynamic drag. Longer gear ratios and low-rolling-resistance Michelin tyres are also fitted – and the result is that economy and emissions are much better.

Video: watch CarBuyer's video review of the Vauxhall Insignia

[[{"type":"media","view_mode":"content_narrow","fid":"68338","attributes":{"alt":"","class":"media-image"}}]]

Combined returns of 54.7mpg represent a 10 per cent improvement over the regular car’s. Meanwhile, a CO2 output of 136g/km not only puts the ecoFLEX in the second lowest benefit-in-kind car tax band for any diesel, but also saves private owners £25 a year in road tax over the 2.0 CDTI.

Skip advert
Advertisement
Skip advert
Advertisement - Article continues below

Used - available now

A1 Sportback

2018 Audi

A1 Sportback

44,000 milesManualPetrol1.4L

Cash £13,450
View A1 Sportback
Q5

2018 Audi

Q5

71,000 milesAutomaticPetrol2.0L

Cash £19,950
View Q5
Kona

2024 Hyundai

Kona

6,888 milesAutomaticPetrol1.6L

Cash £22,999
View Kona
RANGER

2018 FORD

RANGER

77,163 milesAutomaticDiesel3.2L

Cash £16,995
View RANGER

Amazingly, though, Vauxhall’s quoted performance figures are no different to the regular model’s. That means 0-60mph in 8.9 seconds and a 135mph top speed – not bad given the car’s eco credentials.

As you would expect, the changes have been blended seamlessly into the Insignia package – the differences are barely noticeable. Grip in tight corners is strong, despite the slightly harder-compound rubber, and while the steering doesn’t offer the feedback of a Ford Mondeo it is direct and the model still handles well.

What’s more, the lower ride height has little effect on the Insignia’s supple suspension. The only detectable change is a slight increase in road noise – although the car is so well insulated to begin with that this is still far from intrusive.

The ecoFLEX upgrades carry a £470 premium over every trim level, but they’re not available on the SRi. This means prices range from £19,600 – nearly £2,000 more expensive than the cheapest VW Passat Bluemotion – all the way up to £24,950 for our flagship Elite. The latter has sat-nav, leather upholstery and electric seats. However, the extra outlay should soon be recouped, especially if you drive a company car.

Rival: Mondeo ECOnetic
High gearing can make the Ford feel sluggish, and it’s costly compared to rivals. But factor in the superb build, space and handling, and it comes highly recommended.

Skip advert
Advertisement

New & used car deals

Omoda 5

Omoda 5

RRP £24,040Avg. savings £1,535 off RRP*Used from £19,290
Hyundai Tucson

Hyundai Tucson

RRP £29,840Avg. savings £5,676 off RRP*Used from £11,795
Volkswagen Tiguan

Volkswagen Tiguan

RRP £38,050Avg. savings £3,360 off RRP*Used from £29,823
Audi A3

Audi A3

RRP £26,310Avg. savings £2,713 off RRP*Used from £9,970
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

Jaguar Land Rover recalls 170,000 SUVs with UK cars experiencing similar problems
Land Rover Defender 110 Trophy Edition - front action

Jaguar Land Rover recalls 170,000 SUVs with UK cars experiencing similar problems

JLR has recalled models from across the Jaguar, Land Rover and Range Rover ranges over a faulty DC-DC converter module
News
30 Apr 2026
Car Deal of the Day: Omoda 7 offers space and super-low running costs for just £229 a month
Omoda 7 - front tracking

Car Deal of the Day: Omoda 7 offers space and super-low running costs for just £229 a month

The Omoda 7 is the latest Chinese SUV to arrive in Britain. It’s our Deal of the Day for 30 April.
News
30 Apr 2026
New Peugeot 208: electric supermini to channel iconic 205
New Peugeot 208 exclusive image - front

New Peugeot 208: electric supermini to channel iconic 205

The new Peugeot 208 will be previewed at the 2026 Paris Motor Show, but our exclusive images show how it could look
News
1 May 2026