The Pontiac Solstice Coupe made in 2009 was fitted with a standard 2.4-liter, four-cylinder engine. This engine offers 173 horsepower at 5,800 rotations per minute. The standard engine on the 2009 GXP Coupe is a 2.0-liter, four-cylinder engine. This engine offers 260 horsepower at 5,300 rotations per minute.
The 2.4-liter engine in the 2009 Solstice Coupe offers approximately 167 foot-pounds torque at 4,500 rotations per minute. The 2.0-liter engine in the 2009 GXP Coupe offers around 260 foot-pounds torque when it is run at 5,300 rotations per minute.
The 2.4-liter, automatic transmission Pontiac Solstice models offer 19 mpg fuel economy in the city and 24 mpg highway. 2.4-liter, manual transmission models offer 19 mpg city and 25 mpg highway. 2009 Pontiac Solstice models with a 2.0-liter engine and automatic transmission offer 19 mpg city and 27 mpg highway while 2.0-liter, manual transmission models offer 19 mpg city and 28 mpg highway.