New & Used BMW 4-Series: In Depth
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The BMW 4-Series is a new lineup of coupes, convertibles, and sedans that includes the 4-Series Gran Coupe and M4 spin-offs. BMW split off the two-doors from the 3-Series lineup, but with the subsequent addition of the four-door Gran Coupe, the mission's become a bit muddled.
The 4-Series still draws its heritage and design from the 3-Series family that has been in production for decades--and even traces its roots back to the famed 2002. As such, it's a rival for cars like the Audi A5 and TT, the Mercedes-Benz C-Class coupe, and the Cadillac ATS.
MORE: Read our 2015 BMW 4-Series review
At first, the 4-Series lineup consisted of two-door versions of the latest 'F31' 3-Series. Sculpted front fenders and far more aggressive styling treatments for the front and rear give this model more of a high-performance look, while the smoothly arched roofline matches up well with a taller greenhouse. The cabin, as with the 3-Series, is a bit roomier, although the 4-Series models get a new 2+2 layout, with bucket seats in back. The 4-Series gets seriously charming with its more ritzy interior trim packages (although perhaps too splashy in others that attempt to be sporty or modern), and its sports seats give grip just where it's called for in sporty driving. But the backseat is somewhere we'd stay out of.
At launch, the engine lineup included both the 240-hp, 2.0-liter turbocharged in-line four-cylinder engine and the 3.0-liter turbo in-line six, in 428i and 435i models—both with either a six-speed manual gearbox or eight-speed automatic transmission. Rear-wheel-drive and xDrive all-wheel-drive models are a part of the mix, and the 4-Series gets BMW's latest electric power steering system, as in the 3-Series.
Despite significant gains in comfort, safety (as already proven in crash-test ratings), and fuel economy (of up to 34 mpg highway)—and despite an ever-greater number of high-tech options—the 4-Series remains among the most confident, dynamically engaging models in their class.
For the 2015 model year, the Gran Coupe edition arrives, as does the fearsome BMW M4 coupe, powered by a twin-turbo version of the classic in-line six. With 425 horsepower, it's one of the best-driving BMWs in recent memory. Its hugely upgraded power come with a choice between six-speed manual and seven-speed M Double Clutch gearboxes. With an available Active M limited-slip differential, and an available Adaptive M suspension, the new 2015 BMW M4 takes after the larger M6 in ride and sophistication, yet it keeps its weight down, to enable a supercar-league 0-60 mph time of just 4.2 seconds (in DCT form).
For 2015, Bluetooth audio streaming is now standard, and the so-called Enhanced Bluetooth (with a USB port) is now a standalone $500 option, Fineline Anthracite wood trim is now widely available, and Oyster Dakota leather is offered outside of the Sport line and included in Premium Package models.