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Specifications Comparison: 2021 GMC Sierra 1500 vs 2024 GMC Sierra 1500

Researched By The AutoPadre Staff

Gas Mileage

2021 GMC Sierra 1500

Fuel Mileage (Imp.)

Trim Eng. Drive train MPG City MPG Hwy MPG Combined
Crew Cab4.3L V6RWD162118.5
Crew Cab5.3L V8RWD142117.5
Crew Cab2.7LRWD142117.5
Crew Cab4.3L V64WD152017.5
Crew Cab5.3L V84WD142017
Crew Cab2.7L4WD142017
Crew Cab AT45.3L V84WD152118
Crew Cab AT43.0L I64WD222624
Crew Cab AT46.2L V84WD222624
Crew Cab Denali5.3L V8RWD152218.5
Crew Cab Denali3.0L I6RWD233026.5
Crew Cab Denali5.3L V84WD152118
Crew Cab Denali3.0L I64WD222624
Crew Cab Denali6.2L V84WD222624
Crew Cab Elevation2.7LRWD202321.5
Crew Cab Elevation5.3L V8RWD152218.5
Crew Cab Elevation3.0L I6RWD152218.5
Crew Cab Elevation 3VL2.7L4WD182119.5
Crew Cab Elevation2.7L4WD182119.5
Crew Cab Elevation5.3L V84WD142017
Crew Cab Elevation3.0L I64WD142017
Crew Cab SLE2.7LRWD202321.5
Crew Cab SLE5.3L V8RWD152218.5
Crew Cab SLE3.0L I6RWD152218.5
Crew Cab SLE2.7L4WD182119.5
Crew Cab SLE5.3L V84WD142017
Crew Cab SLE3.0L I64WD142017
Crew Cab SLT5.3L V8RWD152218.5
Crew Cab SLT3.0L I6RWD233026.5
Crew Cab SLT5.3L V84WD142017
Crew Cab SLT5.3L I64WD152118
Crew Cab SLT3.0L V84WD152118
Extended Cab4.3L V6RWD162118.5
Extended Cab5.3L V8RWD142117.5
Extended Cab2.7LRWD142117.5
Extended Cab4.3L V64WD152017.5
Extended Cab5.3L V84WD142017
Extended Cab2.7L4WD142017
Extended Cab Elevation2.7LRWD202321.5
Extended Cab Elevation5.3L V8RWD152218.5
Extended Cab Elevation3.0L I6RWD152218.5
Extended Cab Elevation 3VL2.7L4WD182119.5
Extended Cab Elevation2.7L4WD182119.5
Extended Cab Elevation5.3L V84WD142017
Extended Cab Elevation3.0L I64WD142017
Extended Cab SLE2.7LRWD202321.5
Extended Cab SLE5.3L V8RWD152218.5
Extended Cab SLE3.0L I6RWD152218.5
Extended Cab SLE2.7L4WD182119.5
Extended Cab SLE5.3L V84WD142017
Extended Cab SLE3.0L I64WD142017
Regular Cab4.3L V6RWD162118.5
Regular Cab5.3L V8RWD142117.5
Regular Cab4.3L V64WD152017.5
Regular Cab5.3L V84WD142017

2024 GMC Sierra 1500

Fuel Mileage (Imp.)

Trim Eng. Drive train MPG City MPG Hwy MPG Combined
Denali Crew Cab 147"5.3L V8RWD162119
Denali Crew Cab 147"5.3L V84WD152018
Denali Crew Cab 157"5.3L V84WD152018
Elevation Crew Cab 147"RWD182220
Elevation Double Cab 147"RWD182220
Elevation Crew Cab 147" w/3SB4WD172019
Elevation Crew Cab 147" w/3VL4WD172019
Elevation Crew Cab 157"4WD172019
Elevation Double Cab 147" w/3SB4WD172019
Elevation Double Cab 147" w/3VL4WD172019
Pro Crew Cab 147"RWD182220
Pro Double Cab 147"RWD182220
Pro Reg Cab 126"RWD182220
Pro Reg Cab 140"RWD182220
Pro Crew Cab 147"4WD172019
Pro Crew Cab 157"4WD172019
Pro Double Cab 147"4WD172019
Pro Reg Cab 126"4WD172019
Pro Reg Cab 140"4WD172019
SLE Crew Cab 147"RWD182220
SLE Double Cab 147"RWD182220
SLE Crew Cab 147"4WD172019
SLE Crew Cab 157"4WD172019
SLE Double Cab 147"4WD172019
SLT Crew Cab 147"5.3L V8RWD162119
SLT Crew Cab 147"5.3L V84WD152018
SLT Crew Cab 157"5.3L V84WD152018
AT4 Crew Cab 147"3.0L I64WD212322
AT4 Crew Cab 157"3.0L I64WD212322
AT4X Crew Cab 147"3.0L I64WD192020
Denali Ultimate Crew Cab 147"6.2L V84WD151917

2021 GMC Sierra 1500

Fuel Mileage (Metric)

Trim Eng. Drive train L/100km City L/100km Hwy L/100km Combined
Crew Cab4.3L V6RWD15.011.013.0
Crew Cab5.3L V8RWD17.011.013.0
Crew Cab2.7LRWD17.011.013.0
Crew Cab4.3L V64WD16.012.013.0
Crew Cab5.3L V84WD17.012.014.0
Crew Cab2.7L4WD17.012.014.0
Crew Cab AT45.3L V84WD16.011.013.0
Crew Cab AT43.0L I64WD11.09.010.0
Crew Cab AT46.2L V84WD11.09.010.0
Crew Cab Denali5.3L V8RWD16.011.013.0
Crew Cab Denali3.0L I6RWD10.08.09.0
Crew Cab Denali5.3L V84WD16.011.013.0
Crew Cab Denali3.0L I64WD11.09.010.0
Crew Cab Denali6.2L V84WD11.09.010.0
Crew Cab Elevation2.7LRWD12.010.011.0
Crew Cab Elevation5.3L V8RWD16.011.013.0
Crew Cab Elevation3.0L I6RWD16.011.013.0
Crew Cab Elevation 3VL2.7L4WD13.011.012.0
Crew Cab Elevation2.7L4WD13.011.012.0
Crew Cab Elevation5.3L V84WD17.012.014.0
Crew Cab Elevation3.0L I64WD17.012.014.0
Crew Cab SLE2.7LRWD12.010.011.0
Crew Cab SLE5.3L V8RWD16.011.013.0
Crew Cab SLE3.0L I6RWD16.011.013.0
Crew Cab SLE2.7L4WD13.011.012.0
Crew Cab SLE5.3L V84WD17.012.014.0
Crew Cab SLE3.0L I64WD17.012.014.0
Crew Cab SLT5.3L V8RWD16.011.013.0
Crew Cab SLT3.0L I6RWD10.08.09.0
Crew Cab SLT5.3L V84WD17.012.014.0
Crew Cab SLT5.3L I64WD16.011.013.0
Crew Cab SLT3.0L V84WD16.011.013.0
Extended Cab4.3L V6RWD15.011.013.0
Extended Cab5.3L V8RWD17.011.013.0
Extended Cab2.7LRWD17.011.013.0
Extended Cab4.3L V64WD16.012.013.0
Extended Cab5.3L V84WD17.012.014.0
Extended Cab2.7L4WD17.012.014.0
Extended Cab Elevation2.7LRWD12.010.011.0
Extended Cab Elevation5.3L V8RWD16.011.013.0
Extended Cab Elevation3.0L I6RWD16.011.013.0
Extended Cab Elevation 3VL2.7L4WD13.011.012.0
Extended Cab Elevation2.7L4WD13.011.012.0
Extended Cab Elevation5.3L V84WD17.012.014.0
Extended Cab Elevation3.0L I64WD17.012.014.0
Extended Cab SLE2.7LRWD12.010.011.0
Extended Cab SLE5.3L V8RWD16.011.013.0
Extended Cab SLE3.0L I6RWD16.011.013.0
Extended Cab SLE2.7L4WD13.011.012.0
Extended Cab SLE5.3L V84WD17.012.014.0
Extended Cab SLE3.0L I64WD17.012.014.0
Regular Cab4.3L V6RWD15.011.013.0
Regular Cab5.3L V8RWD17.011.013.0
Regular Cab4.3L V64WD16.012.013.0
Regular Cab5.3L V84WD17.012.014.0

2024 GMC Sierra 1500

Fuel Mileage (Metric)

Trim Eng. Drive train L/100km City L/100km Hwy L/100km Combined
Denali Crew Cab 147"5.3L V8RWD14.711.212.4
Denali Crew Cab 147"5.3L V84WD15.711.813.1
Denali Crew Cab 157"5.3L V84WD15.711.813.1
Elevation Crew Cab 147"RWD13.110.711.8
Elevation Double Cab 147"RWD13.110.711.8
Elevation Crew Cab 147" w/3SB4WD13.811.812.4
Elevation Crew Cab 147" w/3VL4WD13.811.812.4
Elevation Crew Cab 157"4WD13.811.812.4
Elevation Double Cab 147" w/3SB4WD13.811.812.4
Elevation Double Cab 147" w/3VL4WD13.811.812.4
Pro Crew Cab 147"RWD13.110.711.8
Pro Double Cab 147"RWD13.110.711.8
Pro Reg Cab 126"RWD13.110.711.8
Pro Reg Cab 140"RWD13.110.711.8
Pro Crew Cab 147"4WD13.811.812.4
Pro Crew Cab 157"4WD13.811.812.4
Pro Double Cab 147"4WD13.811.812.4
Pro Reg Cab 126"4WD13.811.812.4
Pro Reg Cab 140"4WD13.811.812.4
SLE Crew Cab 147"RWD13.110.711.8
SLE Double Cab 147"RWD13.110.711.8
SLE Crew Cab 147"4WD13.811.812.4
SLE Crew Cab 157"4WD13.811.812.4
SLE Double Cab 147"4WD13.811.812.4
SLT Crew Cab 147"5.3L V8RWD14.711.212.4
SLT Crew Cab 147"5.3L V84WD15.711.813.1
SLT Crew Cab 157"5.3L V84WD15.711.813.1
AT4 Crew Cab 147"3.0L I64WD11.210.210.7
AT4 Crew Cab 157"3.0L I64WD11.210.210.7
AT4X Crew Cab 147"3.0L I64WD12.411.811.8
Denali Ultimate Crew Cab 147"6.2L V84WD15.712.413.8

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