The specification desk
Find the right configuration. Search 34,354 chart rows transcribed from manufacturer towing guides. See the engine, cab, axle, required equipment, and source together. These are published comparison ratings; your truck’s equipment and loaded weight still matter.
A model missing here may have a published maximum without detailed chart rows. Check coverage or browse every cataloged model .
2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Reg 2WD Long / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 18,510lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Reg 2WD Long / 6.6L V8 Duramax Turbo Diesel
Gooseneck 18,510lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 2WD Long / 6.6L V8 Duramax Turbo Diesel
Conventional 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 2WD Long / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 2WD Long / 6.6L V8 Duramax Turbo Diesel
Gooseneck 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 4WD Long / 6.6L V8 Duramax Turbo Diesel
Conventional 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 4WD Long / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 4WD Long / 6.6L V8 Duramax Turbo Diesel
Gooseneck 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 2WD Standard / 6.6L V8 Duramax Turbo Diesel
Conventional 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 2WD Standard / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 2WD Standard / 6.6L V8 Duramax Turbo Diesel
Gooseneck 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 4WD Standard / 6.6L V8 Duramax Turbo Diesel
Conventional 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 4WD Standard / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Crew 4WD Standard / 6.6L V8 Duramax Turbo Diesel
Gooseneck 18,500lb GCWR 27,500 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Double Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Double 2WD Standard / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 18,200lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Double Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Double 2WD Standard / 6.6L V8 Duramax Turbo Diesel
Gooseneck 18,200lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Reg 4WD Long / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 18,190lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Reg 4WD Long / 6.6L V8 Duramax Turbo Diesel
Gooseneck 18,190lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Double 2WD Long / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 18,040lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Double 2WD Long / 6.6L V8 Duramax Turbo Diesel
Gooseneck 18,040lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long
Equipment: 18" or 20" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Crew 2WD with 18" or 20" wheels Long / 6.6L V8 Duramax Turbo Diesel
Conventional 17,970lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Double Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Double 4WD Standard / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 17,890lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Double Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Double 4WD Standard / 6.6L V8 Duramax Turbo Diesel
Gooseneck 17,890lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Standard
Equipment: 18" or 20" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Crew 4WD with 18" or 20" wheels Standard / 6.6L V8 Duramax Turbo Diesel
Conventional 17,850lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Double 4WD Long / 6.6L V8 Duramax Turbo Diesel
Fifth-wheel 17,750lb GCWR 26,000 lb 2020 · OEM chart
6.6L V8 Duramax Turbo Diesel · 4WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD Duramax turbo diesel specifications, row 2500 Double 4WD Long / 6.6L V8 Duramax Turbo Diesel
Gooseneck 17,750lb GCWR 26,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 9,900 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Regular 2WD Long / 6.6L Gas V8 Engine
Fifth-wheel 17,370lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 9,900 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Regular 2WD Long / 6.6L Gas V8 Engine
Gooseneck 17,370lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Reg 2WD Long / 6.6L V8 gas
Fifth-wheel 17,370lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Reg 2WD Long / 6.6L V8 gas
Gooseneck 17,370lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 4WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Regular 4WD Long / 6.6L Gas V8 Engine
Fifth-wheel 17,060lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 4WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Regular 4WD Long / 6.6L Gas V8 Engine
Gooseneck 17,060lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 4WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Reg 4WD Long / 6.6L V8 gas
Fifth-wheel 17,060lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 4WD · Regular Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Reg 4WD Long / 6.6L V8 gas
Gooseneck 17,060lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Double Cab · Standard
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Double 2WD Standard / 6.6L Gas V8 Engine
Fifth-wheel 17,050lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Double Cab · Standard
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Double 2WD Standard / 6.6L Gas V8 Engine
Gooseneck 17,050lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Double 2WD Standard / 6.6L V8 gas
Fifth-wheel 17,050lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Double 2WD Standard / 6.6L V8 gas
Gooseneck 17,050lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Crew 2WD Standard / 6.6L Gas V8 Engine
Fifth-wheel 16,940lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Crew 2WD Standard / 6.6L Gas V8 Engine
Gooseneck 16,940lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Crew 2WD Standard / 6.6L V8 gas
Fifth-wheel 16,940lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Standard
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Crew 2WD Standard / 6.6L V8 gas
Gooseneck 16,940lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Double 2WD Long / 6.6L Gas V8 Engine
Fifth-wheel 16,930lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Double 2WD Long / 6.6L Gas V8 Engine
Gooseneck 16,930lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Double 2WD Long / 6.6L V8 gas
Fifth-wheel 16,930lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Double 2WD Long / 6.6L V8 gas
Gooseneck 16,930lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Crew 2WD Long / 6.6L Gas V8 Engine
Fifth-wheel 16,840lb GCWR 24,000 lb 2020 · OEM chart
6.6L Gas V8 Engine · 2WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 7, Sierra HD trailering capability (10,000-lb GVWR or less), row 2500 Crew 2WD Long / 6.6L Gas V8 Engine
Gooseneck 16,840lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Crew 2WD Long / 6.6L V8 gas
Fifth-wheel 16,840lb GCWR 24,000 lb 2020 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long
Equipment: No package requirement recorded; check source chart.
Page 6, Sierra HD gas engine specifications, row 2500 Crew 2WD Long / 6.6L V8 gas
Gooseneck 16,840lb GCWR 24,000 lb Page 1 of 3 Next 50 →