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BMW 6-Series Performance

The 2015 BMW 6-Series’ potent engines and athletic handling make it feel sporty for a luxury car, critics say. Test drivers also appreciate that it has different driving modes where you can adjust the 6-Series’ performance characteristics. Fuel economy in the base 6-Series is very good for the class.

  • "Like other BMWs, the 6 Series Gran Coupe has that unflappable Germanic feel at high speeds, yet somehow manages to feel smaller than it really is when you drive it around turns." -- Edmunds
  • "Boasting a pair of awesome turbocharged engines, superb interior craftsmanship and epic high-speed composure, the 6 Series hits all the right notes for drivers who want that king- or queen-of-the-road character." -- AutoTrader (2014)
  • "Think of Comfort mode as Dr. Jekyll, in which the BMW 6 Series is a high-power pleasure cruiser with a comfortable-yet-responsive ride. Switch the Driving Dynamics Control to Sport+ mode, and suddenly Mr. Hyde appears. Here, the transmission eagerly kicks down, the revs go up, the suspension tightens, and the 6 Series begins to feel like a smaller, lighter sports car." -- Kelley Blue Book (2014)
  • "There are modes for driving long distances while still being comfortable, and there are modes for playing race car driver. So it's got something for everyone." -- AutoWeek (2014 640i xDrive Gran Coupe)

Acceleration and Power

BMW 640i models come with a turbocharged 3.0-liter six-cylinder engine that produces 315 horsepower, while 650i models have a 445-horsepower, twin-turbocharged 4.4-liter V8. Both models come with an eight-speed automatic transmission. The 2015 BMW 640i gets up to an EPA-estimated 21/32 mpg city/highway, which is very good for the class.

The performance-oriented 2015 BMW M6 features a twin-turbocharged 4.4-liter V8 engine that produces 560 horsepower and 500 pound-feet of torque. A seven-speed automated manual transmission is standard and a six-speed manual is a no-cost option. BMW reports that the M6 coupe can accelerate from 0 to 60 mph in 4.1 seconds and has a top speed of 155 mph. The Alpina B6 xDrive Gran Coupe is new for 2015 and comes with a twin-turbocharged 4.4-liter V8 that makes 540 horsepower and 540 pound-feet of torque. An eight-speed automatic transmission is standard. BMW estimates that the Alpina B6 will go from 0 to 60 mph in 3.7 seconds and hit a top speed of 198 mph.

Auto writers think the 640i feels very powerful, and they say the 650i and the M6 offer extraordinarily strong acceleration.

  • "The standard turbocharged inline-6 engine punches well above its 300-horsepower rating, while the turbocharged V8 pumps out an explosive 445 hp." -- Edmunds
  • "It's safe to say that no 6 Series is slow. With a ‘base’ 640i Coupe, you'll beat a most other cars up the onramp with a 0-60 mph time of 5.3 seconds." -- Kelley Blue Book (2014)
  • "Acceleration is strong yet civilized with the 640i's inline 6-cylinder. You'll be surprised by how easily this little engine chucks the chubby Bimmer around. But the main event here is the 650i's twin-turbo V8, which is so quick at any speed that it makes us question the point of the M6. This engine is simply spectacular." -- AutoTrader (2014)
  • "The M6 is staggeringly quick. The engine's power hits like a hammer, flattening cabin occupants into their leather chairs, only relenting when the driver has the good sense to back off the gas." -- Autoblog (2014 M6 Gran Coupe)

Handling and Braking

The 2015 BMW 6-Series comes standard with rear-wheel drive and an adaptive suspension system, which lets you adjust suspension stiffness. Available features include all-wheel drive and rear-wheel steering, which can ease parking maneuvers and make the 6-Series more stable at high speeds. While some critics point out that the 6-Series' size limits its athleticism compared to that of smaller sport sedans, they note that it’s still quite agile. Many also appreciate its responsive steering and composed ride.

  • "While the 2015 BMW 6 Series is understandably not as sharp and agile as BMW's smaller and sportier models, its massive grip and composed nature should meet most drivers' expectations." -- Edmunds
  • "The 6 Series is more athletic in corners than the already-capable 7 Series on which it's based, but it's too large and heavy for ‘ultimate’ driving. The 6 Series model's comfort zone is on the highway, where it's impossible to get this car flustered. Think serene and planted at all speeds." -- AutoTrader (2014)
  • "I can say from my overnight stay that the car behaves like a typical BMW when driving normally. In sport mode, steering feels crisp and is well weighted." -- AutoWeek (2014 Gran Coupe)
  • "From behind the wheel, however, this BMW manages to mask its abundant heft with some success, thanks in part to the adjustable chassis." -- Car and Driver (2013 Gran Coupe)
Review Last Updated: 2/19/15

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