The modern BMW lineup offers customers many, many options. Some would argue that is to the brand"s detriment, but when having a glut of available models results in more than one range-topper, that"s not always a bad thing. The 6 Series Gran Coupe has two extra-hot variants: the M6 và the Alpimãng cầu B6 xDrive.

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What"s the difference, you ask? Well, the M6 was developed by BMW"s own M Division và comes exclusively in rear-wheel drive sầu. The B6, on the other hand, is a 650i Gran Coupe specially tuned by BMW"s cthua trận partner, Alpina. The oto is only offered in all-wheel drive. Although both are powered by a twin-turbo, 4.4-liter V-8, the M6 makes 560 hp & 500 lb-ft of torque lớn the 2016 Alpina B6"s 600 hp và 590 lb-ft—up 60 hp và 50 lb-ft from last year"s model. Unlượt thích the M6, which gets the M Division"s seven-tốc độ dual-clutch transmission as standard, the Alpimãng cầu uses a retuned version of BMW"s ubiquitous eight-speed automatic.

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Our Alpimãng cầu B6 Gran Coupe came finished in an exclusive sầu & very alluring Alpina Green Metallic paint. The dark shade lends the four-door coupe a classic look and really makes the oto look distinctive sầu. The whole exterior treatment, from the Alpimãng cầu script on the lower front valance to lớn the quality Alpimãng cầu badges on the hood and trunk to lớn the quad-bazooka exhaust tips, is well-done. It grabs your attention but doesn"t dem& it. Alpina"s signature 20-spoke wheels add khổng lồ that feeling of exclusivity, & although those wheels measure trăng tròn inches in diameter & are wrapped in rubber-bvà tires, the sedan rides quite nice.

Even in Normal mode, the B6 Gran Coupe offered a smooth highway ride. Road noise is also surprisingly hushed at highway tốc độ in spite of the low-protệp tin Michelin performance tires. The Alpina is a comfortable, civilized highway cruiser that, with a little application of throttle, transforms inlớn a land-borne missile. Passing other cars takes no effort at all, và a stab of the gas pedal at speed is enough to lớn push you baông xã into lớn the plush leather seats.

We"ve sầu never tested an M6 Gran Coupe, but a năm trước BMW M5 with the same drivetrain and wheelbase as that car—and an extra 15 hp thanks lớn the Competition package—accelerated khổng lồ 60 mph in 3.7 seconds và completed the quarter mile in 11.9 seconds at 122.2 mph. The Alpina, with its horsepower & torque advantage plus the launch-improving magic of all-wheel drive sầu, is slightly quicker at 3.3 seconds to lớn 60 mph and 11.8 seconds in the quarter mile at 116.6 mph. It"s also quicker khổng lồ 60 than an all-wheel-drive, 575-hp năm trước Mercedes-Benz CLS63 S AMG we tested (3.4 seconds), though the Mercedes would take it in the quarter (11.7 seconds at 122.7 mph). The all-wheel-drive Audi RS 7, which makes 560 hp and 516 lb-ft of torque from a twin-turbo, 4.0-liter V-8, is the four-door coupe lớn beat in terms of acceleration, recording a 0-60 time of 3.2 seconds & 11.6-second quarter mile at 120.4 mph.

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See all 37 photos

The Alpimãng cầu lapped our figure-eight course in 24.5 seconds compared to 24.3 for the M5 Competition, 24.2 for the RS 7, & a sports car-rivaling 23.9 for the CLS63 S. Stopping from 60 mph takes the B6 Gran Coupe an impressive sầu 108 feet, but the CLS63 (106 feet), M5 (106 feet), and RS 7 (101 feet) are just a touch more impressive. Measured against most other cars, the Alpina is a wickedly fast performance machine. Among its contemporaries, though, it doesn"t have sầu much to brag about. But there"s more to lớn this car than just its performance number.

Although on paper the Alpimãng cầu looks to have sầu the makings of a hardcore, all-out performance sedan, in actuality it"s more of a luxury oto with a restrained, sporty character và an abundance of power. This becomes most apparent inside. The front seats, adequate for everyday driving, don"t have sầu the bolstering you expect from a sport sedan. Instead, they"re wide & upholstered in a rich-looking Amaro brown Merino leather. That leather also covers the center console, along with exclusive sầu Alpimãng cầu myrtle wood trlặng that"s also used in the dash & door panels. You feel lượt thích an executive sitting in your expensive sầu leather chair, và the B6"s cabin is your rolling corner office. The Alpina emblems adorning the dash và floormats add a subtle specialness lớn the interior, & the blue-lit Alpimãng cầu kickplates hint to lớn passengers that this is no ordinary Gran Coupe.

See all 37 photos
See all 37 photos

In baông xã, the sea of brown leather continues. The rear seats could use a bit more legroom but will be comfortable enough for most passengers. There"s also a rear center seat belt despite the center console occupying the space where the fifth passenger"s legs would go. Although the Alpina comes loaded with convenience features, things didn"t always work properly. On two occasions, the driver-side window refused khổng lồ roll up. Whether you tried raising it normally or using the switch"s one-touch up position, the window rolled up to a certain point & then rolled baông chồng down again.

So if you want the ultimate 6 Series Gran Coupe, should you buy the M6 or the Alpina B6? The Alpina starts $4,000 more than the M6 at $122,195, though our tester came loaded lớn $134,495. The M6 Gran Coupe will likely be the sportier of the two despite the Alpina"s 40-hp advantage. It"s even available with a manual transmission at no extra cost. But if you want a comfortable cruiser that feels special và can go like a rocket and you love sầu waving horsepower numbers in your friends" faces, go for the Alpina. If you want a four-door coupe with that envy-inducing 600 hp but without a roundel on the hood, Audi will have an answer soon with the RS 7 Performance.

năm 2016 BMW Alpimãng cầu B6 Gran Coupe
BASE PRICE $123,195
VEHICLE LAYOUT Front-engine, AWD, 5-pass, 4-door sedan
ENGINE 4.4L/600-hp/590-lb-ft twin-turbo DOHC 32-valve V-8
TRANSMISSION 8-tốc độ automatic
CURB WEIGHT (F/R DIST) 4,751 lb (53/47%)
WHEELBASE 116.9 in
LENGTH x WIDTH x HEIGHT 197.1 x 74.6 x 54.8 in
0-60 MPH 3.3 sec