The Q70S 3.7 uses a version of the 3.7-litre V6 engine from Nissan’s 370Z, so it’s seriously brisk, but a little short of low-end punch. The 3.0-litre diesel in the 30d pulls strongly and smoothly, and isn't as thirsty, while the hybrid model combines a 302bhp 3.5-litre V6 petrol engine with a 67bhp electric motor. It's the most powerful - and yet most efficient - model in the range, which makes it our favourite. However, the abrupt regenerative braking system takes some getting used to.
Infiniti Q70 ride & handling
GT models put comfort first. However, they feel heavy, and their bulk shifts around quite a bit. If you value agile handling, you’ll want to upgrade to S spec, because this brings tauter body control and a four-wheel steering system that means the car turns into bends quicker. It’s just a pity you also get 20-inch wheels (instead of the GT’s 18s) that make the low-speed ride jiggly.
Infiniti Q70 refinement
The Q70 lets in some road noise over coarse surfaces, but the standard double glazing helps keep wind noise to a minimum. Aside from a bit of rumble at idle, the diesel engine is pretty smooth, and the hybrid is eerily silent at low speeds, when it's driving on electric power only. All that's disappointing is that the standard seven-speed automatic gearbox doesn’t like to rush – even in ‘sport’ mode.