What Changed

Sierra adds an optional 3.0l turbo-diesel inline-6.

Comparison to Prior Model

2020 GMC Sierra 1500 Double Cab 2019 GMC Sierra 1500 Double Cab
2020 GMC Sierra 1500 Double Cab 2019 GMC Sierra 1500 Double Cab
Price Range ($) $33,500 - $53,495 $33,500 - $53,295
Length (in) 231.7 231.7
Wheelbase (in) 147.4 147.4
Width (in) 81.2 81.2
Height (in) 75.6 75.6
Track (in)
Exterior Volume (cu. ft.)
Curb Weight (lbs.) 4700-5400
Legroom Total (in.) 79.7 79.7
Passenger Volume (cu. ft.) 125.8 125.8
Cargo Volume (cu. ft.) 71.7 71.7
Driven Wheels
  • RWD
  • AWD
  • RWD
  • 4WD
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)
  • 4.3l V6 (285-bhp)
  • 5.3l V8 (355-bhp)
  • 6.2l V8 (420-bhp)
Transmissions A10, A6, A8 A10, A6, A8
City MPG 15-23
Highway MPG 19-30
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