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Alpina D3 may be coming to Frankfurt with 350 hp, AWD

Rumors are swirling that Alpina, the tuning house that specializes in all things BMW, will followup its Geneva debut of the B3 Bi-Turbo with an oil-burning variant slated for debut at September's Frankfurt Motor Show. The news comes from Auto Zeitung, which reports that the second-generation D3 will be based off the Europe-only 335d.
This is a departure from the last D3, which had the four-cylinder turbo-diesel from the BMW 123d in a 3 Series body. The new model is expected to use a 3.0-liter, twin-turbocharged inline-six, which will generate 350 horsepower and 516 pound-feet of torque. That should scoot it to 62 miles per hour in under five seconds (likely while towing a tree stump). Both rear- and all-wheel drive should be available on the D3, and we imagine the thrill of this much power channeled through just the two rear wheels to be akin to skydiving sans parachute.
For our European friends that want an Alpina D3, but don't need more torque than any American full-size pickup, there may be plans to offer a four-cylinder variant that still delivers Alpina performance without a compromise in economy. We'll have more on the Alpina D3 when it debuts at the 2013 Frankfurt Motor Show.

Infiniti Q50 Red Sport 400 priced at $48,855, AWD at $50,855

Infiniti's most powerful production model, the new Q50 Red Sport 400, now has a starting price. You'll need at least $48,855 for the rear-drive model or $50,855 for all-wheel drive. (Both figures include the $905 destination charge.) A fully loaded, rear-drive Q50 RS400 with Direct Adaptive Steering, navigation, adaptive cruise control, a heated steering wheel, and Infiniti's entire alphabet soup of safety equipment, tops out at $57,045. (Again, add $2,000 for AWD). When it comes to rear-drive competition, the closest base price to the Q50 is the 320-hp BMW 340i. This German undercuts the Infiniti by two grand, $46,795 to $48,855. But the BMW outprices the Q50 as soon as you start selecting options. A 340i with similar equipment to a loaded Q50 Red Sport 400 costs just under $60,000. All-wheel-drive German competitors also lose out in the price war. Like with the rear-drive models, the BMW 340i xDrive undercuts the Q50 RS400 by around $2,000. Add the options, and the Infiniti becomes a better value. The other two big German rivals, the Audi S4 and Mercedes-Benz C450 AMG start at a higher price and only get more expensive. Technically the S4 starts cheaper than the Q50, but only with the standard manual transmission. Selecting the S-Tronic dual-clutch model kicks the price from $50,125 to $51,125, and going for the top-end Prestige trim will bump potential Audi owners up to $57,025. Throw on must-have S4 options, including adaptive cruise control, adaptive dampers, and a sport differential and you'll be shell out $64,425 for the Audi. The Mercedes-Benz C450 AMG is the priciest choice in this group, starting at $51,725, or roughly $900 more than a base Q50 RS400 with AWD. Options, again, are the downfall here. Building a C450 to match a loaded Infiniti will drive the Mercedes' price up to $64,315. While it occupies something of a weird space relative to these vehicles, it's also worth mentioning the Cadillac CTS VSport. It's the only car in this impromptu pricing comparo that can outgun the Q50, with its 3.6-liter, twin-turbo V6 good for 420 hp and 430 lb-ft of torque. It also starts at $60,950, although that includes plenty of standard equipment. All this means that the Q50 Red Sport 400 represents a relative value. It packs more power than the Germans – 80 more than the 340i, 67 more than the S4, and 38 more than the C450 – and a more comprehensive list of options, too.

The List: Best of proving grounds

Proving grounds are where automakers and enthusiasts alike go to push their vehicles to their mechanical limits. The Rubicon Trail, located in the Sierra Nevada, is the ultimate off-road test, while Germany's Nurburgring is a grueling 13 mile road and track course. Jessi and Patrick visit both iconic proving grounds in this "best of" compilation of The List. If you like what you see, stay tuned to watch the full episodes, or click here to go directly to our episode archive and pick out some of your own favorite moments of The List to revisit. The List #0004: Conquer the Rubicon Trail The List #0073: Drive the Nurburgring Have an RSS feed? Click here to add The List. Click here to subscribe to The List in iTunes. Click here to learn more about our hosts, Jessi and Patrick. BMW Jeep Off-Road Vehicles Racing Vehicles The List Videos Original Video