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Specifications Comparison: 2018 GMC Sierra 1500 vs 2008 GMC Sierra 1500

Researched By The AutoPadre Staff

Gas Mileage

2018 GMC Sierra 1500

Fuel Mileage (Imp.)

Trim Eng. Drive train MPG City MPG Hwy MPG Combined
1500 Crew Cab4.3L V6RWD162319.5
1500 Crew Cab4.3L V64WD162219
1500 Crew Cab Denali5.3L V8RWD152118
1500 Crew Cab Denali5.3L V84WD152017.5
1500 Crew Cab SLE4.3L V6RWD162319.5
1500 Crew Cab SLE4.3L V64WD162219
1500 Crew Cab SLT5.3L V8RWD182421
1500 Crew Cab SLT5.3L V84WD162118.5
1500 Crew Cab SLT eAssist5.3L V8RWD182421
1500 Crew Cab SLT eAssist5.3L V84WD162118.5
1500 Extended Cab4.3L V6RWD162319.5
1500 Extended Cab4.3L V64WD162219
1500 Extended Cab SLE4.3L V6RWD162319.5
1500 Extended Cab SLE4.3L V64WD162219
1500 Extended Cab SLT5.3L V8RWD152118
1500 Extended Cab SLT5.3L V84WD152017.5
1500 Regular Cab4.3L V6RWD162319.5
1500 Regular Cab4.3L V64WD162219
1500 Regular Cab SLE4.3L V6RWD162319.5
1500 Regular Cab SLE4.3L V64WD162219

2008 GMC Sierra 1500

Fuel Mileage (Imp.)

Trim Eng. Drive train MPG City MPG Hwy MPG Combined
1500 Extended Cab SL4.8L V8RWD141916.5
1500 Extended Cab SL4.8L V84WD141816
1500 Extended Cab SLE4.8L V8RWD131815.5
1500 Regular Cab SLE4.8L V64WD141816
1500 Crew Cab SL4.8L V8RWD141916.5
1500 Crew Cab SL4.8L V84WD141816
1500 Crew Cab SLE4.8L V8RWD152017.5
1500 Crew Cab SLE4.8L V84WD141916.5
1500 Crew Cab SLT5.3L V8RWD131815.5
1500 Crew Cab SLT5.3L V84WD131715
1500 Extended Cab SLE4.3L V6RWD152017.5
1500 Extended Cab SLT5.3L V8RWD131815.5
1500 Extended Cab SLT5.3L V84WD131715
1500 Regular Cab SLE4.8L V6RWD152017.5
Crew Cab Denali6.2L V8RWD121915.5
Crew Cab Denali6.2L V8AWD121815

2018 GMC Sierra 1500

Fuel Mileage (Metric)

Trim Eng. Drive train L/100km City L/100km Hwy L/100km Combined
1500 Crew Cab4.3L V6RWD15.010.012.0
1500 Crew Cab4.3L V64WD15.011.012.0
1500 Crew Cab Denali5.3L V8RWD16.011.013.0
1500 Crew Cab Denali5.3L V84WD16.012.013.0
1500 Crew Cab SLE4.3L V6RWD15.010.012.0
1500 Crew Cab SLE4.3L V64WD15.011.012.0
1500 Crew Cab SLT5.3L V8RWD13.010.011.0
1500 Crew Cab SLT5.3L V84WD15.011.013.0
1500 Crew Cab SLT eAssist5.3L V8RWD13.010.011.0
1500 Crew Cab SLT eAssist5.3L V84WD15.011.013.0
1500 Extended Cab4.3L V6RWD15.010.012.0
1500 Extended Cab4.3L V64WD15.011.012.0
1500 Extended Cab SLE4.3L V6RWD15.010.012.0
1500 Extended Cab SLE4.3L V64WD15.011.012.0
1500 Extended Cab SLT5.3L V8RWD16.011.013.0
1500 Extended Cab SLT5.3L V84WD16.012.013.0
1500 Regular Cab4.3L V6RWD15.010.012.0
1500 Regular Cab4.3L V64WD15.011.012.0
1500 Regular Cab SLE4.3L V6RWD15.010.012.0
1500 Regular Cab SLE4.3L V64WD15.011.012.0

2008 GMC Sierra 1500

Fuel Mileage (Metric)

Trim Eng. Drive train L/100km City L/100km Hwy L/100km Combined
1500 Extended Cab SL4.8L V8RWD17.012.014.0
1500 Extended Cab SL4.8L V84WD17.013.015.0
1500 Extended Cab SLE4.8L V8RWD18.013.015.0
1500 Regular Cab SLE4.8L V64WD17.013.015.0
1500 Crew Cab SL4.8L V8RWD17.012.014.0
1500 Crew Cab SL4.8L V84WD17.013.015.0
1500 Crew Cab SLE4.8L V8RWD16.012.013.0
1500 Crew Cab SLE4.8L V84WD17.012.014.0
1500 Crew Cab SLT5.3L V8RWD18.013.015.0
1500 Crew Cab SLT5.3L V84WD18.014.016.0
1500 Extended Cab SLE4.3L V6RWD16.012.013.0
1500 Extended Cab SLT5.3L V8RWD18.013.015.0
1500 Extended Cab SLT5.3L V84WD18.014.016.0
1500 Regular Cab SLE4.8L V6RWD16.012.013.0
Crew Cab Denali6.2L V8RWD20.012.015.0
Crew Cab Denali6.2L V8AWD20.013.016.0

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