See also:

Audio operation precautions
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Under the Hood
Base engine is a 152-horsepower, 2.5-liter dual-overhead camshaft, inline-four-cylinder that makes 171 pounds-feet of torque, mated to a five-speed manual transmission 261-hp, 4.0-liter dual-over ...

Going & Stopping
Base Altimas have a 2.5-liter four-cylinder engine that makes 175 horsepower (170 hp in states that have adopted California's emissions rules). A 270-hp, 3.5-liter V-6 is optional. A six-speed man ...