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-overhead-camshaft V-6 that makes 281 pounds-feet of torque
Available five-speed automatic transmission (standard on crew cab) is now available on entry-level Frontier XE models Available six-speed manual transmission on King Cab Electronically controlled, shift-on-the-fly, part-time transfer case

    See also:

    Suggested maximum speed in each gear
    Downshift to a lower gear if the engine is not running smoothly, or if you need to accelerate. Do not exceed the maximum suggested speed (shown below) in any gear. For level road driving, use the ...

    Vehicle identification number (chassis number)
    The vehicle identification number is located as shown. ...

    Spark plugs
    Be sure the engine and ignition switch are off and that the parking brake is engaged securely. Be sure to use the correct socket to remove the spark plugs. An incorrect socket can dam ...