GMC > Sierra 1500 Classic

GMC Sierra 1500 Classic MPG

What is the gas mileage on a GMC Sierra 1500 Classic?

GMC Sierra 1500 Classic

By Years

Determining which GMC Sierra 1500 Classic has the best gas mileage

BONUS TIP

Speeding, rapid acceleration and braking can lower a GMC Sierra 1500 Classic gas mileage by roughly 15% to 30% at highway speeds and 10% to 40% in stop-and-go traffic.

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