Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

2015 Chevy Silverado HD and GMC Sierra HD unveiled at State Fair of Texas

Chevrolet and GMC unveiled new, 2015 heavy duty versions of their recently introduced Silverado and Sierra at -- where else? -- the Texas State Fair. Updates include new exterior and interior styling, new engines and a host of new options.

Audi A1 Quattro models ‘on the way’

Audi has confirmed it is testing four-wheel drive Quattro versions of the A1 – indicating an imminent expansion of Audi’s supermini range. Although showcased as this one-off at a Quattro publicity event in Montreal, Canada, to celebrate 30 years of the all-corner drive system, Ingolstadt acknowledged at last autumn’s 2010 Paris motor show that Quattro versions of the A1 were in the pipeline. The production A1 Quattro will use the Haldex differential to split drive to both axles; it’s a similar technology to that found in A3 and TT Quattros, as opposed to the mechanical Torsen diff found in larger Quattro models.

2015 Mercedes S-class Coupe: The flagship has landed

Mercedes-Benz's long history building dramatic flagship coupes started with the 1952 300 S, considered a “car for the world's elite.” The 220 S Coupe followed in 1956, and the elegant W111/W112 coupes ran from '61 to '71. Over the years, the 280 SE 3.5 Coupe, SEC coupe, S600 Coupe and CL class all added to Mercedes' reputation for building gorgeous, sought-after coupes. Now comes the new S-class Coupe, making its public debut at the Geneva motor show March 4 and arriving in U.S.