Compare Old and New MPG Estimates

Model Year: 2007

Make: GMC

Model: Sierra C15 2WD

Select Engine and Transmission Options...

• Automatic 4-spd, 6 cyl, 4.3 L, Regular Gasoline, CLKUP
• Automatic 4-spd, 8 cyl, 4.8 L, Regular Gasoline, CLKUP
• Automatic 4-spd, 8 cyl, 5.3 L, Regular Gasoline, CLKUP
• Automatic 4-spd, 8 cyl, 6.0 L, Regular Gasoline, CLKUP
• Automatic 4-spd, 8 cyl, 5.3 L, Gasoline or E85, 470-610 , CLKUP
• Automatic 6-spd, 8 cyl, 6.2 L, Premium Gasoline, CLKUP