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Road Test: Infiniti M35H

BIK List Price
Infiniti M35h BIK list price
BIK Percentage
Infiniti M35h BIK Percent
Infiniti M35h CO2
Combined MPG
Infiniti M35h MPG


When the M35h – Infiniti’s first full hybrid executive saloon – launched last year, its emissions fell just above the 160g/km threshold at 162g/km.

The manufacturer’s latest offering has rectified this with emissions of 159g/km, making it eligible for the full first year’s capital write-down allowance (although this benefit won’t last too long as from April next year the threshold will fall to 130g/km).

Having access to Nissan’s European engineering centre in Cranfield has undoubtedly helped Infiniti.

The engineers have worked hard to achieve the reduction from 162g/km to 159g/km by making the electric motor run longer before the engine cuts in.

Infiniti claims it can travel up to 50% of its time on electric-only in an urban environment.

But what impresses most is not the amount of time it spends in full EV mode, but the situations where the electric motor can take over.

It seamlessly kicked into full electric mode when coasting at 60mph.

Despite this engineering wizardry, there is no disguising the fact the M35h is still far behind rivals in terms of
CO2 emissions.

The BMW ActiveHybrid5 is 10g/km lower, for instance, while the Audi A6 hybrid has emissions of 145g/km. Lexus’s GS 450h comes even lower at just 141g/km.

All are two VED tax bands lower than the M35h. So why choose the Infiniti?

The manufacturer believes one of its advantages is performance.  Although it doesn’t have the appearance of a high-powered car (it has 18 inch wheels to aid emissions rather than classic over-sized wheels of a performance car) it’s actually the fastest M car.

It can also claim to be the world’s fastest accelerating full hybrid, reaching 0-62mph in just 5.5 seconds.

Arguably, the 5 Series and GS 450h aren’t massively adrift in terms of performance, though, each speeding to 62mph in 5.9 seconds.

In terms of fuel consumption, the M35 returns 40.9mpg on the combined cycle, impressive given its power. We achieved close to 40mpg.

However, its competitors claim slightly better fuel consumption – they are all around the 44-46mpg mark which equates to savings of up to £1,500 over 80,000 miles.

Infiniti says the M35h’s main advantage, aside from performance, is specification with 55 premium standard features.

The Business Edition (which is a limited edition and is available until December this year) also comes with free connectivity (Infiniti’s navigation system) for around the same price as the GT grade.

Inside it oozes luxury with real silver powder in the wood panels, a heated steering wheel and even a ‘forest air’ option on the air conditioning and there are plenty of safety features too.

The question is whether all this will be enough to tempt company executives out of Infiniti’s German rivals.

Top Speed
Infiniti M35h Top Speed
VED band
Infiniti M35h Ved
Fuel Type
Infiniti M35h Fuel Type
Residual Value
3 Year 60k : N/A
4 Year 80k : N/A
Running Cost (ppm)
3 Year 60k : N/A
4 Year 80k : N/A

CO2 emissions and fuel consumption data correct at time of writing. The latest figures are available in the Fleet News fuel cost calculator and the company car tax calculator.

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