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Specifications Comparison: 2020 GMC Sierra 1500 vs 2021 GMC Sierra 1500

Researched By The AutoPadre Staff

Gas Tank Size

2020 GMC Sierra 1500

Fuel Tank Size

Trim Eng. Drive train Fuel Tank Size (Gal) Fuel Tank Size (L)
1500 Crew Cab 147" AT45.3L V84WD24.090.8
1500 Crew Cab 157" AT45.3L V84WD24.090.8
1500 Double Cab 147" AT45.3L V84WD24.090.8
1500 Crew Cab 147"4.3L V6RWD24.090.8
1500 Crew Cab 157"4.3L V6RWD24.090.8
1500 Double Cab 147"4.3L V6RWD24.090.8
1500 Reg Cab 140"4.3L V6RWD28.0106.0
1500 Crew Cab 147"4.3L V64WD24.090.8
1500 Crew Cab 157"4.3L V64WD24.090.8
1500 Double Cab 147"4.3L V64WD24.090.8
1500 Reg Cab 140"4.3L V64WD28.0106.0
1500 Crew Cab 147" Denali5.3L V8RWD24.090.8
1500 Crew Cab 157" Denali5.3L V8RWD24.090.8
1500 Crew Cab 147" Denali5.3L V84WD24.090.8
1500 Crew Cab 157" Denali5.3L V84WD24.090.8
1500 Crew Cab 147" Elevation2.7LRWD24.090.8
1500 Crew Cab 157" Elevation2.7LRWD24.090.8
1500 Double Cab 147" Elevation2.7LRWD24.090.8
1500 Crew Cab 147" Elevation2.7L4WD24.090.8
1500 Crew Cab 157" Elevation2.7L4WD24.090.8
1500 Double Cab 147" Elevation2.7L4WD24.090.8
1500 Crew Cab 147" SLE2.7LRWD24.090.8
1500 Crew Cab 157" SLE2.7LRWD24.090.8
1500 Double Cab 147" SLE2.7LRWD24.090.8
1500 Crew Cab 147" SLE2.7L4WD24.090.8
1500 Crew Cab 157" SLE2.7L4WD24.090.8
1500 Double Cab 147" SLE2.7L4WD24.090.8
1500 Crew Cab 147" SLT5.3L V8RWD24.090.8
1500 Crew Cab 157" SLT5.3L V8RWD24.090.8
1500 Double Cab 147" SLT5.3L V8RWD24.090.8
1500 Crew Cab 147" SLT5.3L V84WD24.090.8
1500 Crew Cab 157" SLT5.3L V84WD24.090.8
1500 Double Cab 147" SLT5.3L V84WD24.090.8
1500 Crew Cab4.3L V6RWD24.090.8
1500 Crew Cab4.3L V64WD24.090.8
1500 Crew Cab AT45.3L V84WD24.090.8
1500 Crew Cab Denali5.3L V8RWD24.090.8
1500 Crew Cab Denali5.3L V84WD24.090.8
1500 Crew Cab Elevation2.7LRWD24.090.8
1500 Crew Cab Elevation2.7L4WD24.090.8
1500 Crew Cab SLE2.7LRWD24.090.8
1500 Crew Cab SLE2.7L4WD24.090.8
1500 Crew Cab SLT5.3L V8RWD24.090.8
1500 Crew Cab SLT5.3L V84WD24.090.8
1500 Extended Cab4.3L V6RWD24.090.8
1500 Extended Cab4.3L V64WD24.090.8
1500 Extended Cab AT45.3L V84WD24.090.8
1500 Extended Cab Elevation2.7LRWD24.090.8
1500 Extended Cab Elevation2.7L4WD24.090.8
1500 Extended Cab SLE2.7LRWD24.090.8
1500 Extended Cab SLE2.7L4WD24.090.8
1500 Extended Cab SLT5.3L V8RWD24.090.8
1500 Extended Cab SLT5.3L V84WD24.090.8
1500 Regular Cab4.3L V6RWD28.0106.0
1500 Regular Cab4.3L V64WD28.0106.0

2021 GMC Sierra 1500

Fuel Tank Size

Trim Eng. Drive train Fuel Tank Size (Gal) Fuel Tank Size (L)
Crew Cab4.3L V6RWD24.090.8
Crew Cab5.3L V8RWD24.090.8
Crew Cab2.7LRWD24.090.8
Crew Cab4.3L V64WD24.090.8
Crew Cab5.3L V84WD24.090.8
Crew Cab2.7L4WD24.090.8
Crew Cab AT45.3L V84WD24.090.8
Crew Cab AT43.0L I64WD24.090.8
Crew Cab AT46.2L V84WD24.090.8
Crew Cab Denali5.3L V8RWD24.090.8
Crew Cab Denali3.0L I6RWD24.090.8
Crew Cab Denali5.3L V84WD24.090.8
Crew Cab Denali3.0L I64WD24.090.8
Crew Cab Denali6.2L V84WD24.090.8
Crew Cab Elevation2.7LRWD24.090.8
Crew Cab Elevation5.3L V8RWD24.090.8
Crew Cab Elevation3.0L I6RWD24.090.8
Crew Cab Elevation 3VL2.7L4WD24.090.8
Crew Cab Elevation2.7L4WD24.090.8
Crew Cab Elevation5.3L V84WD24.090.8
Crew Cab Elevation3.0L I64WD24.090.8
Crew Cab SLE2.7LRWD24.090.8
Crew Cab SLE5.3L V8RWD24.090.8
Crew Cab SLE3.0L I6RWD24.090.8
Crew Cab SLE2.7L4WD24.090.8
Crew Cab SLE5.3L V84WD24.090.8
Crew Cab SLE3.0L I64WD24.090.8
Crew Cab SLT5.3L V8RWD24.090.8
Crew Cab SLT3.0L I6RWD24.090.8
Crew Cab SLT5.3L V84WD24.090.8
Crew Cab SLT5.3L I64WD24.090.8
Crew Cab SLT3.0L V84WD24.090.8
Extended Cab4.3L V6RWD24.090.8
Extended Cab5.3L V8RWD24.090.8
Extended Cab2.7LRWD24.090.8
Extended Cab4.3L V64WD24.090.8
Extended Cab5.3L V84WD24.090.8
Extended Cab2.7L4WD24.090.8
Extended Cab Elevation2.7LRWD24.090.8
Extended Cab Elevation5.3L V8RWD24.090.8
Extended Cab Elevation3.0L I6RWD24.090.8
Extended Cab Elevation 3VL2.7L4WD24.090.8
Extended Cab Elevation2.7L4WD24.090.8
Extended Cab Elevation5.3L V84WD24.090.8
Extended Cab Elevation3.0L I64WD24.090.8
Extended Cab SLE2.7LRWD24.090.8
Extended Cab SLE5.3L V8RWD24.090.8
Extended Cab SLE3.0L I6RWD24.090.8
Extended Cab SLE2.7L4WD24.090.8
Extended Cab SLE5.3L V84WD24.090.8
Extended Cab SLE3.0L I64WD24.090.8
Regular Cab4.3L V6RWD28.0106.0
Regular Cab5.3L V8RWD28.0106.0
Regular Cab4.3L V64WD28.0106.0
Regular Cab5.3L V84WD28.0106.0

Gas Tank Range

2020 GMC Sierra 1500

Fuel Tank Range (Imp.)

Trim Eng. Drive train City (Miles) Highway (Miles) Combined (Miles)
1500 Crew Cab 147" AT45.3L V84WD384504444
1500 Crew Cab 157" AT45.3L V84WD384504444
1500 Double Cab 147" AT45.3L V84WD384504444
1500 Crew Cab 147"4.3L V6RWD384504444
1500 Crew Cab 157"4.3L V6RWD384504444
1500 Double Cab 147"4.3L V6RWD384504444
1500 Reg Cab 140"4.3L V6RWD448588518
1500 Crew Cab 147"4.3L V64WD360480420
1500 Crew Cab 157"4.3L V64WD360480420
1500 Double Cab 147"4.3L V64WD360480420
1500 Reg Cab 140"4.3L V64WD420560490
1500 Crew Cab 147" Denali5.3L V8RWD408552480
1500 Crew Cab 157" Denali5.3L V8RWD408552480
1500 Crew Cab 147" Denali5.3L V84WD384528456
1500 Crew Cab 157" Denali5.3L V84WD384528456
1500 Crew Cab 147" Elevation2.7LRWD480552516
1500 Crew Cab 157" Elevation2.7LRWD480552516
1500 Double Cab 147" Elevation2.7LRWD480552516
1500 Crew Cab 147" Elevation2.7L4WD456528492
1500 Crew Cab 157" Elevation2.7L4WD456528492
1500 Double Cab 147" Elevation2.7L4WD456528492
1500 Crew Cab 147" SLE2.7LRWD480552516
1500 Crew Cab 157" SLE2.7LRWD480552516
1500 Double Cab 147" SLE2.7LRWD480552516
1500 Crew Cab 147" SLE2.7L4WD456528492
1500 Crew Cab 157" SLE2.7L4WD456528492
1500 Double Cab 147" SLE2.7L4WD456528492
1500 Crew Cab 147" SLT5.3L V8RWD408552480
1500 Crew Cab 157" SLT5.3L V8RWD408552480
1500 Double Cab 147" SLT5.3L V8RWD408552480
1500 Crew Cab 147" SLT5.3L V84WD384528456
1500 Crew Cab 157" SLT5.3L V84WD384528456
1500 Double Cab 147" SLT5.3L V84WD384528456
1500 Crew Cab4.3L V6RWD456528492
1500 Crew Cab4.3L V64WD456528492
1500 Crew Cab AT45.3L V84WD360456408
1500 Crew Cab Denali5.3L V8RWD552720636
1500 Crew Cab Denali5.3L V84WD360480420
1500 Crew Cab Elevation2.7LRWD552720636
1500 Crew Cab Elevation2.7L4WD528624576
1500 Crew Cab SLE2.7LRWD552720636
1500 Crew Cab SLE2.7L4WD528624576
1500 Crew Cab SLT5.3L V8RWD552720636
1500 Crew Cab SLT5.3L V84WD360480420
1500 Extended Cab4.3L V6RWD456528492
1500 Extended Cab4.3L V64WD456528492
1500 Extended Cab AT45.3L V84WD360456408
1500 Extended Cab Elevation2.7LRWD552720636
1500 Extended Cab Elevation2.7L4WD528624576
1500 Extended Cab SLE2.7LRWD552720636
1500 Extended Cab SLE2.7L4WD528624576
1500 Extended Cab SLT5.3L V8RWD552720636
1500 Extended Cab SLT5.3L V84WD360480420
1500 Regular Cab4.3L V6RWD420588504
1500 Regular Cab4.3L V64WD420560490

2021 GMC Sierra 1500

Fuel Tank Range (Imp.)

Trim Eng. Drive train City (Miles) Highway (Miles) Combined (Miles)
Crew Cab4.3L V6RWD384504444
Crew Cab5.3L V8RWD336504420
Crew Cab2.7LRWD336504420
Crew Cab4.3L V64WD360480420
Crew Cab5.3L V84WD336480408
Crew Cab2.7L4WD336480408
Crew Cab AT45.3L V84WD360504432
Crew Cab AT43.0L I64WD528624576
Crew Cab AT46.2L V84WD528624576
Crew Cab Denali5.3L V8RWD360528444
Crew Cab Denali3.0L I6RWD552720636
Crew Cab Denali5.3L V84WD360504432
Crew Cab Denali3.0L I64WD528624576
Crew Cab Denali6.2L V84WD528624576
Crew Cab Elevation2.7LRWD480552516
Crew Cab Elevation5.3L V8RWD360528444
Crew Cab Elevation3.0L I6RWD360528444
Crew Cab Elevation 3VL2.7L4WD432504468
Crew Cab Elevation2.7L4WD432504468
Crew Cab Elevation5.3L V84WD336480408
Crew Cab Elevation3.0L I64WD336480408
Crew Cab SLE2.7LRWD480552516
Crew Cab SLE5.3L V8RWD360528444
Crew Cab SLE3.0L I6RWD360528444
Crew Cab SLE2.7L4WD432504468
Crew Cab SLE5.3L V84WD336480408
Crew Cab SLE3.0L I64WD336480408
Crew Cab SLT5.3L V8RWD360528444
Crew Cab SLT3.0L I6RWD552720636
Crew Cab SLT5.3L V84WD336480408
Crew Cab SLT5.3L I64WD360504432
Crew Cab SLT3.0L V84WD360504432
Extended Cab4.3L V6RWD384504444
Extended Cab5.3L V8RWD336504420
Extended Cab2.7LRWD336504420
Extended Cab4.3L V64WD360480420
Extended Cab5.3L V84WD336480408
Extended Cab2.7L4WD336480408
Extended Cab Elevation2.7LRWD480552516
Extended Cab Elevation5.3L V8RWD360528444
Extended Cab Elevation3.0L I6RWD360528444
Extended Cab Elevation 3VL2.7L4WD432504468
Extended Cab Elevation2.7L4WD432504468
Extended Cab Elevation5.3L V84WD336480408
Extended Cab Elevation3.0L I64WD336480408
Extended Cab SLE2.7LRWD480552516
Extended Cab SLE5.3L V8RWD360528444
Extended Cab SLE3.0L I6RWD360528444
Extended Cab SLE2.7L4WD432504468
Extended Cab SLE5.3L V84WD336480408
Extended Cab SLE3.0L I64WD336480408
Regular Cab4.3L V6RWD448588518
Regular Cab5.3L V8RWD392588490
Regular Cab4.3L V64WD420560490
Regular Cab5.3L V84WD392560476

2020 GMC Sierra 1500

Fuel Tank Range (Metric)

Trim Eng. Drive train City (KM) Highway (KM) Combined (KM)
1500 Crew Cab 147" AT45.3L V84WD618811715
1500 Crew Cab 157" AT45.3L V84WD618811715
1500 Double Cab 147" AT45.3L V84WD618811715
1500 Crew Cab 147"4.3L V6RWD618811715
1500 Crew Cab 157"4.3L V6RWD618811715
1500 Double Cab 147"4.3L V6RWD618811715
1500 Reg Cab 140"4.3L V6RWD721946834
1500 Crew Cab 147"4.3L V64WD579772676
1500 Crew Cab 157"4.3L V64WD579772676
1500 Double Cab 147"4.3L V64WD579772676
1500 Reg Cab 140"4.3L V64WD676901789
1500 Crew Cab 147" Denali5.3L V8RWD657888772
1500 Crew Cab 157" Denali5.3L V8RWD657888772
1500 Crew Cab 147" Denali5.3L V84WD618850734
1500 Crew Cab 157" Denali5.3L V84WD618850734
1500 Crew Cab 147" Elevation2.7LRWD772888830
1500 Crew Cab 157" Elevation2.7LRWD772888830
1500 Double Cab 147" Elevation2.7LRWD772888830
1500 Crew Cab 147" Elevation2.7L4WD734850792
1500 Crew Cab 157" Elevation2.7L4WD734850792
1500 Double Cab 147" Elevation2.7L4WD734850792
1500 Crew Cab 147" SLE2.7LRWD772888830
1500 Crew Cab 157" SLE2.7LRWD772888830
1500 Double Cab 147" SLE2.7LRWD772888830
1500 Crew Cab 147" SLE2.7L4WD734850792
1500 Crew Cab 157" SLE2.7L4WD734850792
1500 Double Cab 147" SLE2.7L4WD734850792
1500 Crew Cab 147" SLT5.3L V8RWD657888772
1500 Crew Cab 157" SLT5.3L V8RWD657888772
1500 Double Cab 147" SLT5.3L V8RWD657888772
1500 Crew Cab 147" SLT5.3L V84WD618850734
1500 Crew Cab 157" SLT5.3L V84WD618850734
1500 Double Cab 147" SLT5.3L V84WD618850734
1500 Crew Cab4.3L V6RWD734850792
1500 Crew Cab4.3L V64WD734850792
1500 Crew Cab AT45.3L V84WD579734657
1500 Crew Cab Denali5.3L V8RWD88811591024
1500 Crew Cab Denali5.3L V84WD579772676
1500 Crew Cab Elevation2.7LRWD88811591024
1500 Crew Cab Elevation2.7L4WD8501004927
1500 Crew Cab SLE2.7LRWD88811591024
1500 Crew Cab SLE2.7L4WD8501004927
1500 Crew Cab SLT5.3L V8RWD88811591024
1500 Crew Cab SLT5.3L V84WD579772676
1500 Extended Cab4.3L V6RWD734850792
1500 Extended Cab4.3L V64WD734850792
1500 Extended Cab AT45.3L V84WD579734657
1500 Extended Cab Elevation2.7LRWD88811591024
1500 Extended Cab Elevation2.7L4WD8501004927
1500 Extended Cab SLE2.7LRWD88811591024
1500 Extended Cab SLE2.7L4WD8501004927
1500 Extended Cab SLT5.3L V8RWD88811591024
1500 Extended Cab SLT5.3L V84WD579772676
1500 Regular Cab4.3L V6RWD676946811
1500 Regular Cab4.3L V64WD676901789

2021 GMC Sierra 1500

Fuel Tank Range (Metric)

Trim Eng. Drive train City (KM) Highway (KM) Combined (KM)
Crew Cab4.3L V6RWD618811715
Crew Cab5.3L V8RWD541811676
Crew Cab2.7LRWD541811676
Crew Cab4.3L V64WD579772676
Crew Cab5.3L V84WD541772657
Crew Cab2.7L4WD541772657
Crew Cab AT45.3L V84WD579811695
Crew Cab AT43.0L I64WD8501004927
Crew Cab AT46.2L V84WD8501004927
Crew Cab Denali5.3L V8RWD579850715
Crew Cab Denali3.0L I6RWD88811591024
Crew Cab Denali5.3L V84WD579811695
Crew Cab Denali3.0L I64WD8501004927
Crew Cab Denali6.2L V84WD8501004927
Crew Cab Elevation2.7LRWD772888830
Crew Cab Elevation5.3L V8RWD579850715
Crew Cab Elevation3.0L I6RWD579850715
Crew Cab Elevation 3VL2.7L4WD695811753
Crew Cab Elevation2.7L4WD695811753
Crew Cab Elevation5.3L V84WD541772657
Crew Cab Elevation3.0L I64WD541772657
Crew Cab SLE2.7LRWD772888830
Crew Cab SLE5.3L V8RWD579850715
Crew Cab SLE3.0L I6RWD579850715
Crew Cab SLE2.7L4WD695811753
Crew Cab SLE5.3L V84WD541772657
Crew Cab SLE3.0L I64WD541772657
Crew Cab SLT5.3L V8RWD579850715
Crew Cab SLT3.0L I6RWD88811591024
Crew Cab SLT5.3L V84WD541772657
Crew Cab SLT5.3L I64WD579811695
Crew Cab SLT3.0L V84WD579811695
Extended Cab4.3L V6RWD618811715
Extended Cab5.3L V8RWD541811676
Extended Cab2.7LRWD541811676
Extended Cab4.3L V64WD579772676
Extended Cab5.3L V84WD541772657
Extended Cab2.7L4WD541772657
Extended Cab Elevation2.7LRWD772888830
Extended Cab Elevation5.3L V8RWD579850715
Extended Cab Elevation3.0L I6RWD579850715
Extended Cab Elevation 3VL2.7L4WD695811753
Extended Cab Elevation2.7L4WD695811753
Extended Cab Elevation5.3L V84WD541772657
Extended Cab Elevation3.0L I64WD541772657
Extended Cab SLE2.7LRWD772888830
Extended Cab SLE5.3L V8RWD579850715
Extended Cab SLE3.0L I6RWD579850715
Extended Cab SLE2.7L4WD695811753
Extended Cab SLE5.3L V84WD541772657
Extended Cab SLE3.0L I64WD541772657
Regular Cab4.3L V6RWD721946834
Regular Cab5.3L V8RWD631946789
Regular Cab4.3L V64WD676901789
Regular Cab5.3L V84WD631901766

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