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Specifications Comparison: 2003 GMC Sierra 1500 vs 2008 GMC Sierra 1500

Researched By The AutoPadre Staff

Gas Mileage

2003 GMC Sierra 1500

Fuel Mileage (Imp.)

Trim Eng. Drive train MPG City MPG Hwy MPG Combined
1500 Extended CabV6RWD152017.5
1500 Extended CabV8RWD111412.5
1500 Extended Cab SLEV8RWD111412.5
1500 Extended Cab SLEV84WD101211
1500 Extended Cab SLTV8RWD111412.5
1500 Extended Cab SLTV84WD101211
1500 Regular CabV6RWD151414.5
1500 Regular CabV84WD101211
1500 Regular Cab SLEV8RWD151414.5
1500 Regular Cab SLEV84WD101211
Extended Cab DenaliV8AWD121614

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

2003 GMC Sierra 1500

Fuel Mileage (Metric)

Trim Eng. Drive train L/100km City L/100km Hwy L/100km Combined
1500 Extended CabV6RWD16.012.013.0
1500 Extended CabV8RWD21.017.019.0
1500 Extended Cab SLEV8RWD21.017.019.0
1500 Extended Cab SLEV84WD24.020.021.0
1500 Extended Cab SLTV8RWD21.017.019.0
1500 Extended Cab SLTV84WD24.020.021.0
1500 Regular CabV6RWD16.017.016.0
1500 Regular CabV84WD24.020.021.0
1500 Regular Cab SLEV8RWD16.017.016.0
1500 Regular Cab SLEV84WD24.020.021.0
Extended Cab DenaliV8AWD20.015.017.0

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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