What Changed

Sierra Crew Cab models with the standard bed length are 4WD only.

Comparison to Prior Model

2021 GMC Sierra 1500 Crew Cab Std bed 2020 GMC Sierra 1500 Crew Cab
2021 GMC Sierra 1500 Crew Cab Std bed 2020 GMC Sierra 1500 Crew Cab
Price Range ($) $39,900 - $61,895 $36,200 - $60,995
Length (in) 241.3 241.3
Wheelbase (in) 157.0 157.0
Width (in) 81.2 81.2
Height (in) 75.4 75.4
Track (in)
Exterior Volume (cu. ft.)
Curb Weight (lbs.) 4970-5530 4770-5530
Legroom Total (in.) 87.9 87.9
Passenger Volume (cu. ft.) 138.8 138.8
Cargo Volume (cu. ft.) 71.7 71.7
Driven Wheels
  • AWD
  • RWD
  • AWD
Engines
  • 2.7l I4 T (310-bhp)
  • 3.0l I6 T D (277-bhp)
  • 4.3l V6 (285-bhp)
  • 5.3l V8 (355-bhp)
  • 6.2l V8 (420-bhp)
  • 2.7l I4 T (310-bhp)
  • 3.0l I6 T D (277-bhp)
  • 4.3l V6 (285-bhp)
  • 5.3l V8 (355-bhp)
  • 6.2l V8 (420-bhp)
Transmissions A10, A6, A8 A10, A6, A8
City MPG 14-22 15-23
Highway MPG 19-26 19-30
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