2005 Pontiac Grand AM Driving Impressions
The Pontiac Grand Am comes standard with a newly developed four-cylinder engine called the EcoTec, which delivers good acceleration around town and on freeway ramps. It is one of the most compact four-cylinder engines built in the world, and the lightest engine GM builds in its displacement class. All-aluminum construction contributes to its ultra-light weight of only 305 pounds, while twin balance shafts are designed to provide smoother operation. It still doesn't feel like the smoothest engine available, but it does offer lively performance, a benefit of dual overhead cams and four valves per cylinder for good breathing.
The four-speed automatic transmission on our SE1 shifted smoothly and positively.
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