In-depth reviews

BMW 7 Series saloon - Engines, drive & performance

While still comfortable, the BMW 7 Series is a bit more involving to drive than most large saloons

Carbuyer Rating

4.2 out of 5

Owners Rating

2.0 out of 5

Read owner reviews
Engines, drive & performance Rating

4.0 out of 5

Unlike most BMW models, the 7 Series favours a plush ride over sporty handling, but it still feels lighter on its toes than the Audi A8 or Mercedes S-Class. This is partly thanks to use of a carbon fibre 'core' running through its underpinnings, which helps save weight and increase structural stiffness.

In any of its driving modes and any scenario, the 7 Series is incredibly comfortable. We found the normal Comfort mode to be the best all-round setting; Comfort Plus makes the air suspension even softer, but this can make the body feel a little wayward on demanding roads, so is probably best left for the motorway.

BMW 7 Series diesel engines

There are two versions of the same 3.0-litre straight-six diesel, and the BMW 730d has traditionally been the bestseller in Britain. It has 282bhp and manages 0-62mph in 5.9 seconds when equipped with rear-wheel drive, with the xDrive four-wheel drive version taking 5.6 seconds. The more powerful four-wheel drive 740d gets 335bhp, and manages to get from 0-62mph in only five seconds. BMW’s mild-hybrid technology is fitted to both models, which provides an extra 11bhp overboost under full throttle to aid acceleration.

Petrol engines

The petrol line-up consists of one relatively normal straight-six, and two much more expensive to run, powerful and exotic engines. With 328bhp, the 740i engine is shared with models including the BMW 3 Series and BMW 5 Series, and still proves sprightly in a bigger vehicle, getting the 7 Series from 0-62mph in 5.5 seconds.

An all-new 4.4-litre V8 offered in the 750i creates a thunderous 528bhp and gets the car from 0-62mph in four seconds, aided by four-wheel drive traction. Despite its extra size and four extra cylinders, the 577bhp 6.6-litre V12 in the M760Li could only shave 0.2 seconds off the 0-62mph sprint, and has now been discontinued in the UK.

While the new 7 Series will come with powerful options, you may want to plump for this soon-to-be-replaced car if a V8 or V12 engine noise is particularly important. The new car will only be available with electrified options in the UK, although other countries will get conventional engines too.

Hybrid engines

While the 730d has long been the most popular model, a shift away from diesel and heavy taxation means the 745e plug-in hybrid is likely to win favour with business buyers - who make up the bulk of 7 Series customers. It combines a six-cylinder petrol engine with an electric motor and battery pack, providing an electric-only driving range of up to 28 miles. Zero-to-62mph takes a fraction over five seconds.

With a much bigger battery, the next-generation 7 Series plug-in hybrids promise a range of 50 miles on electric power.

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