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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.

Take a look at the shocking Rolls-Royce Next 100 concept

Rolls-Royce showed off its Vision Next 100 concept today in London, giving a look at what its vehicles might look like a century years from now. Each BMW brand will show its own concept this year; BMW's Vision Next 100 concept was an interesting mix of textile-like patterns with stretchy fenders and a very 2010s four-door coupe shape, but this Rolls-Royce concept looks more like a luxury version of a World Solar Challenge racer. The car's official title is 103EX, following the convention of recent Roller concepts. Whereas its BMW counterpart was perhaps a safe, predictable vision of the future, the Rolls is a striking vehicle and a big departure for the brand. Whether it works as a whole for you or not, it represents the kind of stylistic provocation that made ex-BMW stylist Chris Bangle a household name. While the early Bangle cars were extremely controversial, this Rolls concept is clearly the heir of his penchant for sharply creased character lines. Call the rocker panel crease flame surfacing if you want. The floating headlamps and blade-edged verticality of the fenders are classic Rolls: imposing and visually heavy, without necessarily being classically beautiful. The square, flat grille is, to my eyes, much less successfully integrated. It seems like Rolls had the perfect opportunity to evolve the trademark grille into something more contemporary. In 100 years, the brand will still need to lean on this sort of anachronism? That seems short-sighted. We'll have more on this concept from our man on the ground in London later today. Featured Gallery Rolls-Royce Vision Next 100 Concept View 27 Photos Design/Style BMW Rolls-Royce Coupe Autonomous Vehicles Concept Cars Future Vehicles Luxury

A closer look at the 2015 BMW M3 and M4

It's fair to say we're going to miss the E92 BMW M3. Its high-revving V8, flame-styled looks and excellent driving character made it quite simply one of the best cars of the 2000s. Its replacements, the new M3 Sedan and M4 Coupe have a lot to live up to.
We still have a few months to wait until we can drive the new cars, but that doesn't mean we can't get excited in the meantime, learning everything we can. To find out, we sent west coast editor Michael Harley onto the Detroit Auto Show floor earlier this week to talk about the new M cars with BMW product manager Victor Leleu.
If you want a concise, but highly informative rundown of these new cars, look no further than this video. Leleu talks about the styling, weight savings and engines in a lot of detail, making this an interview M fans aren't going to want to miss. Scroll down for the full video.