New or Significantly Altered Models

2009 Chevrolet Aveo Aveo5
The Aveo5 has been re-worked to match the changes made to the sedan last year. The 2009 model wears new styling on the outside and inside. A 1.6L four-cylinder now provides 106-bhp and 106 lb-ft. of torque.
2009 Chevrolet Traverse
The Traverse is an all-new crossover SUV for Chevrolet similar to its siblings, the Buick Enclave, GMC Acadia, and Saturn Outlook. The Traverse differs from these models in that it is some 4 inches longer. Power is provided by a 3.6L V6 with direct injection. Both FWD and AWD models include a standard six-speed automatic transmission.

Mostly Unchanged

2009 Chevrolet Avalanche
A six speed automatic becomes standard on all models. Avalanche LTZ models add heated and cooled seats and new trim pieces for visual differentiation. OnStar 8.0 and Bluetooth are also new.
2009 Chevrolet Aveo
2009 Chevrolet Cobalt Coupe
The 2.4L four-cylinder has been dropped leaving the 2.2L four cylinder as the standard engine on LS and LT models. The 2.2L has been reworked for slightly higher horsepower and fuel economy.
2009 Chevrolet Cobalt Sedan
A SS model sedan joins the lineup for 2009. The SS models feature a turbocharged 2.0L four cylinder rated at 260-bhp and 260 lb-ft. of torque. A five speed manual is the only available transmission on SS models. SS models also include upgraded standard disc brakes and larger 225/40R18 summer performance tires. The 2.4L four-cylinder has been dropped leaving the 2.2L four cylinder as the standard engine on LS and LT models. The 2.2L has been reworked for slightly higher horsepower and fuel economy.
2009 Chevrolet Colorado Crew Cab
The Colorado receives an improved braking system for 2009. Extended cab and Crew cab models now offer V8 power equipping a 300-bhp 5.3L V8 engine. Anti-lock brakes and stability control are now standard on all models.
2009 Chevrolet Colorado Extended Cab
The Colorado receives an improved braking system for 2009. Extended cab and Crew cab models now offer V8 power equipping a 300-bhp 5.3L V8 engine. Anti-lock brakes and stability control are now standard on all models.
2009 Chevrolet Colorado Regular Cab
The Colorado receives an improved braking system for 2009. Anti-lock brakes and stability control are now standard on all models.
2009 Chevrolet Corvette
A ZR1 model rejoins the lineup offering performance above that of the exclusive Z06. The ZR1 is powered by a 620hp supercharged 6.2L V8. A six-speed manual transmission is standard. Larger brakes and Michelin Pilot Sport 2 tires (P285/30ZR19 in front and P335/25ZR20 in the rear) are unique to the ZR1. Carbon fiber is used extensively in the hood, roof and rocker panels. The ZR1 differs visually from other Corvettes with a distinct hood, side ducts, rocker panels, spoiler, and wheels. A new instrument cluster features a boost gauge.
2009 Chevrolet Corvette Convertible
A new 1LT convertible model has been added with a lower MSRP. A power operated top is now standard on 2LT models.
2009 Chevrolet Equinox
2009 Chevrolet Express Passenger Van
2009 Chevrolet HHR
Horsepower has increased in the base engine from 149-bhp to 155-bhp. Fuel economy is also improved. Both 2.2L and 2.4L four-cylinder engines can now run on E85. A new SS performance package features Brembo brakes and a limited-slip differential.
2009 Chevrolet HHR Panel
The HHR Panel now offers a SS model like its wagon counterpart. The SS model features a 2.0L turbocharged engine rated at 260-bhp and 260 lb-ft of torque (manual transmission.) Horsepower has increased in the base engine from 149-bhp to 155-bhp. Fuel economy is also improved. Both 2.2L and 2.4L four-cylinder engines can now run on E85.
2009 Chevrolet Impala
2009 Chevrolet Malibu
2009 Chevrolet Silverado 1500 Crew Cab
The Silverado 1500 Crew Cab adds a two-mode hybrid model. Hybrid models feature a 6.0L V8 coupled to GM's two-mode hybrid system. The two-mode hybrid system consists of an electrically variable transmission and nickel-metal hydride battery pack. The Silverado Hybrid is a full hybrid running purely on electric power during certain operating conditions. A new XFE model aims to improve the fuel efficiency. The XFE model features a lowered suspension and soft tonneau cover to improve aerodynamics, while aluminum lower control arms and wheels reduce mass. Low rolling resistance tires are also equipped. As a result, fuel efficiency increases by 1 MPG.
2009 Chevrolet Silverado 1500 Extended Cab
2009 Chevrolet Silverado 1500 Regular Cab
2009 Chevrolet Suburban
A six speed automatic becomes standard equipment on all models. LTZ models add heated and cooled seats and new trim pieces for visual differentiation. OnStar 8.0 and Bluetooth are also new.
2009 Chevrolet Tahoe
A six speed automatic becomes standard equipment on the 5.3L and 6.0L models. LTZ models add heated and cooled seats and new trim pieces for visual differentiation. OnStar 8.0 and Bluetooth are also new. A new 5.3L XFE model aims to improve the fuel efficiency. The XFE model features a lowered suspension to improve aerodynamics, while aluminum lower control arms and wheels reduce mass. Low rolling resistance tires are also equipped. As a result, fuel efficiency increases by 1 MPG.
2009 Chevrolet Trailblazer
The 5.3L V8 engine has been dropped as the Trailblazer is slowly phased out.

Discontinued

2008 Chevrolet Uplander