Auburn Gear Pro Series Differential 542044 on 2040-parts.com

See craftsmen build the Maserati Alfieri

At Geneva earlier this month, Maserati debuted the Alfieri concept, a love letter to Maserati's first 100 years and a preview of the next few years, if not the next 100. Here, design chief Lorenzo Ramaciotti shows how the Alfieri -- named after one of the five Maserati brothers -- was inspired by the 1954 Maserati A6GCS/53, as previously threatened, especially in the proportions. But like any car, the key is always in the proportions.

Audi RS3 is revealed, packs 340 hp

WITH VIDEO -- Audi has finally come clean on its RS3 Sportback, revealing photos and information about the four-door hatchback planned for European sale next March. The RS3 uses a turbocharged 2.5-liter inline five-cylinder direct-injection gasoline engine borrowed from the TT RS. The RS3 Sportback will not come to the U.S.

Arizona auctions kick up the horsepower on day 3

As the weekend approaches for the Arizona auctions, the large-dollar rides begin to drive in. Hagerty has compiled the numbers of the top-selling rides and prices thus far. RM Auctions had a $7.6 million day on Thursday with 49 of 52 lots selling.