First look: 2014 BMW M3 and M4

The BMW M3 is back, faster and more powerful than ever before -- but only as a four-door sedan. For its iconic 3-series-based performance model, BMW will dispense with a 26-year tradition of high-revving naturally aspirated engines in lieu of turbocharged six-cylinder power. Revealed here in production-car guise for the first time, the new 425-hp M3 sedan will be joined at the outset by its sister model, the M4 -- a mechanically identical but stylistically sleeker two-door coupe previewed in lightly veiled concept-car form at the Pebble Beach concours in California last August.

Chrysler gets improved performance and handling marks from Consumer Reports

Chrysler Group is making strides to improve handling and performance of its vehicles, but the gains vary from model to model, according to tests by Consumer Reports magazine. The magazine said Tuesday that its recent tests of eight 2011 Chrysler Group models found advances in performance, interior fit and finish and handling. But it said the level of refinement in some vehicles still lags behind rivals.

Aston Martin AM 310 Vanquish

Aston Martin has released details of its 2013 AM 310 Vanquish, the modern interpretation of its classic luxury sports car which is set to replace the DBS. One-77 design cues such as the flowing waistline and LED light blade rear clusters and new design elements such as the lift-reducing rear Aero Duct, bonnet vents, sculpted roof and side strakes feature. A splitter, light-catching side skirts and a rear diffuser form a near-continuous ring of exposed carbon fiber at the base of the car.