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2015 BMW M3 squares off against Alpina D3 in gas vs. diesel throwdown

There was a time when diesel meant one of two things: This vehicle's owner either wants to save some money at the pump or needs to haul massive loads. It definitely did not mean that the owner of said machine wanted to drive fast, but that perception has slowly but surely been changing over the last several years, with automakers from Volkswagen and Ford to Audi and BMW offering spiced-up versions of their high-compression, turbocharged diesels.
It's that last automaker we mentioned that's the subject of the video you'll see down below. One bright-blue BMW M3 was procured by the Brits at Autocar, and it was lined up against a deep-black Alpina D3 (which we sadly can't buy in the US) in a spate of tests, including acceleration, stopping, sound and lap times on a closed circuit. The results, which we won't spoil for you, were enlightening, and were followed up by personal impressions from the man behind the wheel.
We know you're curious. All it takes to find out which of these 3.0-liter, twin-turbo-powered 3 Series variants came out on top is to scroll down below and watch. You know what to do.

Rinspeed previews Budii concept ahead of Geneva show

Every year Frank Rinderknecht and his team at Rinspeed come to the Geneva Motor Show with another fantastical concept car, and next year's will be no exception. Though the show may still be several months away, the Swiss outfit is already giving us a glimpse of what to expect. Rinspeed's latest project is called the Budii, and it aims to "redefine the relationship between man and machine." As you might have guessed, that means driverless technology. Specific details at this point are limited, but the design calls for an electric vehicle with an adaptable cabin featuring drive-by-wire steering wheel. That wheel can swing out of the way to the center of the dashboard or to either side, should driver or passenger (as blurred as those rigid concepts become in this case) wish to take control. Beyond that we don't know much at this point, but the image above seems to indicate it'll be based on the BMW i3. Meanwhile the long list of partners and suppliers suggest it'll feature a design by Mansory, a Harman infotainment system and a Carl F. Bucherer analog clock embedded in the dynamic dashboard. 2015 Geneva Motor Show Rinspeed exhibits "Budii" at the 2015 Geneva Motor Show: "We need to redefine the relationship between man and machine" As far as Swiss automotive visionary Frank M. Rinderknecht is concerned, the breakneck speed of technical developments forces us to redefine our relationship with the automobile. The farsighted Swiss says: "Until now, what we have primarily associated with auto mobility was freedom and individuality. And - consciously or unconsciously - we are prepared to pay a high price in many regards for these privileges. We need only look at the accident statistics." Autonomous driving undoubtedly offers the opportunity to drastically diminish some of the drawbacks of private transport. For example, the number of traffic accidents could drop worldwide. But although it will be less prone to err than humans, even the best technology will not be perfect. "That is something we will have to accept," believes the boss of Rinspeed, the Swiss automotive powerhouse of ideas.

2015 BMW i8 offers you a fast ride to the future for $135,700* [w/video]

BMW's long-form teasing and rollout of its incredibly cool i8 has put us in a unique position to report from its world debut here in Frankfurt. Typically, an auto show debut marks just the start of the information dump about a new vehicle. The i8, however, is a car that we've already driven and reviewed, so perhaps the biggest news from the show floor is the official price of the thing, as well as getting to see it live and in person, of course.
Arriving in US showrooms in the spring of 2014, the i8 performance plug-in hybrid will carry a price tag of $135,700 (*not including $925 for destination and handling charges). That kind of cash puts the i8 near the very top of the BMW range (slotting just under the top-trim 7-Series models), and will buy a massive amount of new technology.
The four-seat i8 has the look of a true supercar, and its new-tech drivetrain will offer up the performance of a stirring sports car, at least. A TwinPower Turbo, three-cylinder, 1.5-liter engine will make 231 horsepower and 236 pound-feet of torque that's gets sent to the rear wheels, while a 96-kilowatt electric motor doles out 131 hp and 184 lb-ft of maximum torque to the fronts. Total system output of 362 hp and 420 lb-ft allows the i8 to sprint to 62 miles per hour in 4.4 seconds with all-wheels-driven handling, and it still returns an astonishing 94 miles per gallon US.