Cars clustered in the Chevrolet Division of General Motors range from fuel-efficient commuter vehicles and refined family sedans to slick coupes and America's favorite sports car, Corvette. For 2007 Chevrolet creates a new iteration of Aveo, the economy car conforming as a four-door notchback sedan or five-door hatchback. And the Z06 Corvette supercar romps with a new 505-hp V8 as the most powerful production model in Corvette's 54-year history.

Chevy's economy line skews as a four-door notchback (Aveo) and five-door hatchback (Aveo5). The two vary at the rear, where Aveo totes a trunk and Aveo5 has a liftgate back door. Both bring a cabin with room for five and more personal space than the pint-size appearance indicates. Aveo's engine, a dual-cam 1.6-liter in-line-four, musters 103 hp with a five-speed manual or optional four-speed automatic shifter. Aveo stocks side-impact air bags and a stereo with auxiliary input device for iPods, and options for a power sunroof and anti-lock brake system (ABS). Aveo5 earns tightly tweaked suspension settings.

Chevy compacts divide as a four-door sedan and two-door coupe. They show bold styling outside and a five-seat cabin laced with gear. Ecotec four-in-line engines apply. The standard 2.2-liter plant rises to 148 hp for LS and LT coupe/sedan plus LTZ sedan. A 2.4-liter Ecotec at 173 hp motivates the sporty SS coupe and sedan, yet Cobalt SS Supercharged gets a 2.0-liter four with a blower aboard worth 205 hp. Cobalt the sedan looks stylish in a smooth but tall format, and the coupe mimics that form but adds a swoopy tail with Corvette-inspired round taillamps.

Chevy's sports car offers a coupe and convertible or new Z06 fixed-roof hatchback. Z06 carries race-honed gear like carbon-fiber composite fenders and an awesome engine. The 7.0-liter LS7 V8 whips up 505 hp through a six-speed manual gearbox. Coupe and Convertible use the LS2 plant, a 6.0-liter aluminum V8 rated at 400 hp. It ties to the six-speed manual or an electronically controlled six-speed Paddle Shift automatic with three driving modes -- Drive, Sport and Paddle Shift. Corvette the coupe has a removable roof panel, while the convertible's fabric lid operates manually or with optional power controls.

With a mid-size structure but full-size cabin space and seats for all in the family, the Impala line of sedans ranks among the best-selling passenger cars in America. For 2007 the series scores a new, fuel-saving engine option from a 3.9-liter V6 with GM's AFM (Active Fuel Management) technology. Two models -- base Impala LS and upscale LT -- use a 3.5-liter V6 with variable valve timing (VVT) for 211 hp. Impala LTZ goes further with the new 3.9-liter V6, but sport-tuned Impala SS brings a 303-hp 5.3-liter small-block V8 with AFM.

This sleek and sporty two-door coupe rides on Impala's platform and carries similar mechanical components yet takes a different tack for exterior styling and interior features. Powertrains include the 3.5-liter V6 for Monte Carlo LS and LT, or the 5.3-liter V8 AFM for Monte Carlo SS. A factory Rally Stripe package is now available on Monte Carlo SS, and Monte Carlo with the 3.5-liter V6 sports a GM FlexFuel badge due to the engine's ethanol (E85) capability. Monte Carlo SS has sport suspension tuning and 18-inch alloy wheels wrapped by Goodyear Eagle RS-A performance tires.

Chevrolet's mid-size sedan rides on GM's Epsilon platform with contemporary body styling evident and innovative features in the five-place cab. For 2007 the trims and powertrains include a deluxe LTZ model plus sporty Malibu SS. In all, there are four variations -- Malibu LS, LT, LTZ and SS. Engine for LS and LT is GM's Ecotec 2.2-liter four-pack now worth 144 hp. Malibu LTZ brings a new 3.5-liter VVT V6 pumping 217 hp, and the SS employs GM's 3.9-liter V6 with VVT reaching 240 hp. Malibu SS adds special body fascia fore and aft plus a tail spoiler.

Maxx is a four-door car similar to Malibu's sedan, yet its wheelbase stretches to add room to the rear of the cabin and there's a hatchback door in back. Maxx's back bench slides almost seven inches back and forth to vary space for people or cargo. Trims for Maxx follow the pattern of Malibu with tiers of LT, LTZ and SS. The LT has GM's Ecotec 2.2-liter four-cylinder engine with 144 hp. LTZ brings the new 3.5-liter VVT V6 for 217 hp, and Malibu Maxx SS the sporty issue contains that 3.9-liter V6 to produce 240 hp.