DETROIT– For 2009, General Motors offers 18 models in the United States that get 30 miles per gallon on the highway. They include cars, crossovers, and SUVs from GM's Chevrolet, Pontiac, and Saturn brands.

Chevrolet, GM's largest brand, leads with eight, along with five each from Pontiac and Saturn. Four-cylinder, six-speed models of the Chevrolet Malibu and Saturn Aura lead among non-hybrid mid-size sedans with 33 mpg highway, along with the Pontiac G6. The Chevy Cobalt XFE and Pontiac G5 XFE win among non-hybrid, gasoline-fueled subcompacts at 37 mpg highway.

Here are the models, along with their EPA-estimated highway fuel economy:

Chevrolet: Aveo sedan, Aveo5 (34 mpg with automatic or manual); Cobalt coupe and sedan (30 mpg for SS Turbocharged; 33 mpg for 2.2L automatic); Cobalt XFE (37); Malibu 2.4L (30 mpg with four-speed automatic; 33 mpg with six-speed); Malibu Hybrid (34), HHR (30 mpg with 2.2L and automatic or manual); and HHR Panel (30 mpg with 2.2L and automatic or manual).

Pontiac: G5 (33 mpg automatic, 35 mpg manual); G5 GT (32 mpg automatic, 35 mpg manual), G5 XFE coupe (37); G6 2.4L sedan (30 mpg with four-speed automatic, 33 mpg with six-speed); and Vibe (1.8L model, 31 with automatic, 32 mpg with manual).

Saturn: Astra 5-Door; Astra 3-Door (all 30 mpg with automatic, 32 with manual); Aura four-cylinder (33); Aura Hybrid (34); and Vue Hybrid (32).