Skip advert
Advertisement

Vauxhall Insignia

Vauxhall aims to win over diesel buyers with its new, efficient petrol turbo

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

While this engine is unlikely to convert the majority of Insignia buyers from diesel power, it’s a well rounded and refined alternative, and much better than the 1.8-litre unit it replaces. The economy and efficiency gains achieved by the rest of the changes are significant, but our biggest gripe is with the price – a  similarly equipped Mondeo 1.6 EcoBoost Titanium costs a substantial £1,935 less.

Advertisement - Article continues below

Petrol or diesel? If you’re a company car driver choosing a large family model, it’s usually derv all the way. But Vauxhall’s latest, revised Insignia is seeking to offer an alternative with a fresh 1.4-litre turbocharged unleaded engine.

Can the newcomer, seen here in Opel guise, offer a decent blend of economy and pace? The unit replaces the old, normally aspirated, 1.8-litre and is a direct rival for the 1.6 EcoBoost turbo in Ford’s Mondeo.

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

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

The car features a raft of updates such as automatic stop-start, an enclosed undertray to improve aerodynamics and lower-rolling-resistance tyres.

The result is 25 per cent better economy than the old 1.8-litre engine, at an impressive 49.6mpg, while CO2 emissions are reduced by the same proportion, dropping to a mere 134g/km. By comparison, the Mondeo EcoBoost claims 44.1mpg and 149g/km.

Skip advert
Advertisement
Skip advert
Advertisement - Article continues below

Used - available now

T-Roc

2025 Volkswagen

T-Roc

25,639 milesAutomaticPetrol1.5L

Cash £18,720
View T-Roc
NX Hybrid

2021 Lexus

NX Hybrid

45,240 milesAutomaticPetrol2.5L

Cash £20,880
View NX Hybrid
3 Series

2025 BMW

3 Series

20,335 milesAutomaticPetrol3.0L

Cash £41,990
View 3 Series
ZS EV

2023 MG

ZS EV

61,358 milesAutomaticElectric

Cash £11,960
View ZS EV

The 1.4-litre turbo is good for 138bhp and 200Nm of torque, and drives the front wheels through a six-speed manual box. And while the car isn’t as quick as the more powerful 158bhp Mondeo, it’s hushed and refined, even at high speeds.

Considering the engine’s small capacity, in-gear urgency is also very impressive. You are rarely left wanting for pace, although the motor is at its best when 

you use the low-down muscle, as it starts to feel strained much beyond 4,000rpm.

The Insignia’s new electronic power-steering rack is linear and well weighted, and the skinny tyres still generate a considerable amount of grip. Nevertheless, 

on twisty roads, the drive is capable rather than engaging.

The ride is generally quite comfortable and the Vauxhall is an excellent cruiser, with wind and road noise equally well suppressed. For now, visual enhancements are limited to a pair of new 18-inch alloy wheel designs, and a fresh colour – Luxor Blue – a more thorough overhaul is due next summer.

Apart from updates to the optional sat-nav, the interior remains pretty much unchanged, too, but that’s no bad thing. It is still a high-quality mix of soft-touch plastics and plenty of equipment, and our SRi-trimmed model came well specified.

Overall, the newcomer is a welcome addition to the range. However, the diesels are likely to remain the strongest sellers.

Skip advert
Advertisement

New & used car deals

Renault Clio

Renault Clio

RRP £16,175Avg. savings £4,168 off RRP*Used from £7,450
Audi A3

Audi A3

RRP £26,310Avg. savings £2,449 off RRP*Used from £10,080
Volkswagen Golf

Volkswagen Golf

RRP £25,250Avg. savings £3,150 off RRP*Used from £10,495
Nissan Juke

Nissan Juke

RRP £19,805Avg. savings £4,879 off RRP*Used from £7,999
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

Future of Chery: fast-growing Chinese brand plans four new cars
Chery range

Future of Chery: fast-growing Chinese brand plans four new cars

Four new models to include an EV and a new Tiggo SUV, says UK country manager Farrell Hsu
News
11 Sep 2026
New Volvo XC40 facelift: popular SUV gets Range Rover-esque makeover
Volvo XC40 - Ellis Hyde front

New Volvo XC40 facelift: popular SUV gets Range Rover-esque makeover

The pure-electric Volvo EX40 and EC40 coupe-SUV have also been updated again, now delivering up to 359 miles of range
News
10 Sep 2026
La Cinquecento’s Fiat 500 Scattante is an Italian icon made in Britain
La Cinquecento’s 500 Scattante

La Cinquecento’s Fiat 500 Scattante is an Italian icon made in Britain

This remastered version of the original Fiat 500 was created by new outfit La Cinquecento, which plans to build only a handful each year
News
11 Sep 2026