V8

General Motors has finally taken the wraps off its new Duramax 4.5L V8 turbodiesel, with several innovative features that separate the new mill from the previous generation design. Last year GM showed off the top half of the engine, which showed the turbocharger positioned where the intake manifold...

Launching a come-back to sit among the world's best luxury sport sedans is no easy task, especially with the level of competition there is today from companies like Mercedes-Benz, Audi, BMW and Lexus. But Cadillac appears to have done just that with its CTS, and now the CTS-V is poised to take the...

The American car buyer is reputed to be warming to the idea of diesel power after several decades of disinterest, though few carmakers have dared to test the strength of that demand. So far the primary candidates have been luxury and sedans, but now Cadillac is rumored to be working on a fitment...

Tuning specialist Hamann Motorsport is known for its exploits with German and Italian exotics, but now the performance workshop has turned its attention to one of the most staunchly British cars in production - the Aston Martin V8 Vantage. On offer is an engine tuning service that reprograms the...

Ford’s venerable luxo-barge, the Lincoln Navigator, has been updated for the 2009 model year, receiving a host of new features as well as a slightly more fuel efficient powertrain. The big news is the addition of a power lift gate, heated seats, parking sensors, a 14-speaker stereo, and E85...