1999-2004 Pontiac Grand Am Left Front Door Speaker on 2040-parts.com

MPG or performance: It's a trade with turbos

Some automakers say turbochargers offer high fuel economy and quick acceleration, the best of both worlds. Well, yes and no. Turbocharged vehicles allow automakers to keep power output high while they downsize engines for better fuel economy.

Frankfurt 2011: New Vauxhall Astra GTC (2012) debut

Vauxhall Astra GTC finally arrives at Frankfurt The Vauxhall Astra GTC (and its European equivalent Opel GTC) finally gets to go on public view at Frankfurt this week, a year after it arrived as a concept at Paris. Based on the more prosaic five-door Astra, the GTC carries over just about nothing except the door handles although it still conspires to look like a slightly squashed, butch version of its sibling. The Astra GTC is a decent looking effort from Vauxhall – as is the regular Astra – designed to take the fight to cars like the Scirroco.

Chrysler posts first net profit since bankruptcy

Chrysler Group--the U.S. automaker that has survived two ownership changes and a U.S. bailout in the past four years--on Monday reported its first net profit since emerging from bankruptcy in June 2009.