Item: Used BMW 6 Series Gran Turismo 2018-present
Rating: 4
Author: What Car? Team

The progenitor of this car, the <a href="https://www.whatcar.com/bmw/5-series/hatchback/used-review/n20820">BMW 5 Series Gran Turismo</a>, more or less had the marketplace to itself. The lower and better-looking 6 GT is a more credible rival for the current crop of fastback-style coupe-saloons.

The <a href="https://www.whatcar.com/audi/a7/hatchback/used-review/n909">Audi A7 Sportback</a> comes with a smooth and punchy petrol engine, in its 45 TFSI&nbsp; guise, that makes it an ultra-quiet cruiser. Its high-grade interior is another factor in its favour.&nbsp;

The <a href="https://www.whatcar.com/mercedes-benz/cls/coupe/used-review/n807">Mercedes CLS</a> has performance and handling far better than you’d expect from a car so large. It has a classy interior and stylish looks, allied to a reasonable amount of interior space, considering its sloping rear roofline.&nbsp;

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What is it like?

Ownership cost

Advice for buyers

Our recommendations

Alternatives

Hatchback

Munich-based BMW is most famous for its sports saloons, in particular the 3 Series and 5 Series. However, it actually builds almost every type of car imaginable: everything from two-seat convertibles to seven-seat MPVs.

The cheapest model in the BMW range is the 1 Series hatchback, which is a rival to the Audi A3, Mercedes-Benz A-Class and Volkswagen Golf. Meanwhile, at the other extreme is the i8 plug-in hybrid sports car, which costs more than £100,000.

BMW was also quick to capitalise on the rise of the SUV and now has six in its range: the X1, X2, X3, X4, X5 and X6.

All of this makes it one of the big three German prestige brands, along with Audi and Mercedes-Benz.

6 SERIES

Not a handsome car, but the 6 Series GT is spacious and refined with a superb interior quality

BMW 6 Series GT

<h3 dir="ltr">MPG</h3>

On paper, the most economical is the 620d in SE trim with an official WLTP fuel consumption of 46.3mpg. The 630d claims 43.5mpg, while the petrol 640i averages 31.4mpg in four-wheel-drive mode, and the 630i 34.9mpg.&nbsp;

<h3 dir="ltr">Car tax</h3>

All 6 Series GTs will have been registered after the tax changes of April 2017 came into force, so will pay annual car tax at the flat rate, currently £145 a year, although all models will also have to pay a supplementary luxury car tax for cars costing over £40,000 new, and that currently stands at £320 a year.&nbsp;

<h3>Servicing</h3>

Servicing costs should be on a par with the regular 5 Series, with which this car shares many mechanical parts. BMW dealers can also offer service plans that allow you to pay by direct debit or plan for the costs of servicing. Insurance costs are relatively low, with all cars being in groups 40 to 50.&nbsp;

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Used BMW 6 Series Gran Turismo 2018-present

Not a handsome car, but the 6 Series GT is spacious and refined with a superb interior quality


Prices for a 2018 6 Series GT start at around £26,000, this for an early model in SE trim, bought from an independent dealer. Between £26,000 and £28,000 should find you one from a franchised dealer, with an average mileage and a full service history. Up the folding stuff to between £28,000 and £30,000 for a good 2019 car.&nbsp;

<h3 dir="ltr">Engines</h3>

We’d stick with the 620d diesel version in rear-wheel-drive form as it’s economical and pretty quick, too. It’s also smooth and refined.&nbsp;

<h3>Trims</h3>

As far as trims go, we think the entry-level SE offers most of what you would want or need, and these should be cheaper to buy on the used market.&nbsp;

Our favourite BMW 6 Series Gran Turismo: 620d SE

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<h2>What we're looking for:</h2><ul><li>Plush ride and the ability to cruise in near-silence </li> <li>Powerful and efficient engine</li> <li>Space for passengers to stretch out in the rear seats</li> <li>Exquisite materials and build quality</li> <li>Endless luxuries on the options list</li> <li>Sensible fuel and tax bills</li></ul>

If you’re in the market for a luxury car, you’ll be after a sumptuous interior, a ride that can soak up the worst of the UK’s pockmarked roads and supreme refinement that allows you to travel at speed in near-silence.

Your cheapest (and smallest) options are the Audi A6, Mercedes E-Class and brilliant BMW 5 Series, the latter of which is so good we voted it our 2017 Car of the Year. Larger options that are definitely worth considering if you plan to travel in the back include the BMW 7 Series, Audi A8 and the Mercedes S-Class, which is beautifully finished inside and not as expensive to run as you might think.

Or if money really is no object at all, the Rolls-Royce Ghost is hard to overlook – especially in extended-wheelbase form. It’s as opulent as cars get.

Luxury

Owners seem happy with the 6 GT so far, with few reported problems. This is a large car with long extremities so it’s worth checking the bodywork for any light damage, and the alloy wheels for any kerb damage. Check that all the electrics work inside, as there’s a lot that could potentially go wrong on so luxuriously specced a car.&nbsp;

<h3 dir="ltr">Reliability</h3>

Unfortunately, with relatively small production numbers, too few 6 Series GT buyers have taken part in our annual Reliability Survey for it to yet feature. However, the 5 Series on which the 6 Series GT is based was included and finished third in the <a href="https://www.whatcar.com/news/2019-what-car-reliability-survey-luxury-cars/n20063">luxury car class</a> beating the <a href="https://www.whatcar.com/audi/a6/saloon/review/n61">Audi A6</a> and <a href="https://www.whatcar.com/mercedes-benz/e-class/saloon/review/n17174">Mercedes E-Class</a>. BMW as a brand, though, was less successful – it finished 21th out of 31 manufacturers.

Thankfully, if something does go wrong, all 6 Series GT’s come with a three-year, unlimited-mileage warranty, which is a match for the cover provided by most rivals.

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It may well have been ahead of its times, but not many people liked the executive hatchback that was the 2009 <a href="https://www.whatcar.com/bmw/5-series/hatchback/used-review/n20820">BMW 5 Series Gran Turismo</a>, or even bought it. So some will consider it brave that BMW replaced it with this all-new 6 Series GT in 2018, a car superficially similar but longer, lower, roomier and, most importantly of all, much better-looking than that original model.&nbsp;

It’s based on the running gear of the highly successful <a href="https://www.whatcar.com/bmw/5-series/saloon/used-review/n991">5 Series</a> and has the same distance between its front and rear wheels as the large luxury <a href="https://www.whatcar.com/bmw/7-series/saloon/used-review/n922">7 Series </a>saloon, so promises great interior space before it’s even turned a wheel.&nbsp;

The engine line up for the 6 Series GT is rather simple: you have the choice of two petrol engines in the four-cylinder 255bhp 630i and the six-cylinder 335bhp 640i, or two diesels, the 261bhp 620d and 316bhp 630d.&nbsp;

Trim-wise, there are only two: regular SE and dolled-up M Sport. SE comes with sat-nav, air-con, alloy wheels and leather seats, as well as electric front seats and mirrors, while M Sport trim adds sports seats and an electric sunroof.&nbsp;

On the road, all of the engine options move the 6 GT around with verve, with the fastest being the creamy 640i version, and all are smooth and refined, even if powered by either of the diesels. It rides well, too, even in the sportier M Sport setup, and its handling, though compromised by the car’s weight and higher body, is well-balanced, naturally controlled and comes with commendably high cornering limits. It’s no sports car, admittedly, but there is a little driver enjoyment to be had - don’t expect it to rival other sporting BMW machines in this area, though.&nbsp;

Inside, the dashboard and its surroundings are pretty much the same as the regular 5 Series saloon, albeit stretched slightly across. You also benefit from the wonderful BMW iDrive infotainment system, which is nearly without peer in its simplicity and ease of use. The driving position is excellent, thanks to electrically adjustable seats and steering wheel. Visibility is good, and all GTs come with a rear-view camera. It’s well built, too. The materials surrounding the driver and scattered around the interior are very plush, with soft-touch plastics and piano-black and chrome trims and a sporadic and clever use of leather. Space upfront is plentiful, even for the very tallest, while two six-footers will be comfortable in the rear seats, even if behind a tall front passenger.&nbsp;

At the back, meanwhile, the 610-litre cargo bay looks enormous enough to easily give credence to BMW’s claim that it’ll swallow four full-sized golf bags without the need to fold a single seat. It has a flat floor and a powered tailgate actuated by gesture control, making sliding awkward loads in and out very easy.

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Used BMW 6 Series Gran Turismo 2018-present review

Our recommendations

Which used BMW 6 Series hatchback should I buy?

Engines