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Your vehicleHome›Chevrolet›Silverado 2500HD›2026› Custom
2026 Chevrolet Silverado 2500HD

Custom 4WD

Gas 4WD MSRP —Compare this trim against anything →

What the Custom adds over the WT

SpecWTCustom
Curb weight (maximum)7511 lbs7804 lbs
Curb weight (minimum)6267 lbs6614 lbs
Gross vehicle weight rating11000 lbs11350 lbs

Standard here, not on the base trim: Front and Rear Park Assist

Specifications

Source: manufacturer press kit

Brakes

Front brake diameter355 mm
Front brake typeventilated disc
Rear brake diameter360 mm
Rear brake typesolid disc

Dimensions Exterior

Ground clearance10.2 in
Overall height79.9 in
Overall length235.5 in
Overall width81.8 in
Wheelbase141.6 in

Engine Basics

Aspirationnaturally aspirated
Cylinder count8
Engine displacement6600 cc
Fuel injection systemgdi mpi
Engine type (full description)6.6L V-8 gasoline or E85 FlexFuel
Valve configurationOverhead-valve, two valves per cylinder, variable valve timing

Engine Output

Horsepower401 hp
Torque464 lb-ft

Fuel System

Fuel tank capacity36 gal

Headroom

Front headroom43.1 in

Legroom

Front legroom44.5 in

Shoulder Room

Front shoulder room66.1 in

Steering

Steering typeHydraulic power-assisted recirculating ball

Suspension

Front suspension typeShort long arms independent front suspension with torsion bars
Rear suspension typeSemi-elliptic three-stage multi-leaf springs

Tires

Tire sizeLT265/70R17

Transmission

Final drive ratio3.73 (gas), 3.42 (diesel)
Transmission speeds10
Transmission typeautomatic

Weights

Curb weight (maximum)7804 lbs
Curb weight (minimum)6614 lbs
Gross vehicle weight rating11350 lbs

Wheels

Wheel diameter17 in
Wheel materialsteel

Standard & optional equipment

Source: manufacturer press kit

Safety4 std · 0 opt

  • Front and Rear Park Assist
  • Hydraulic power-assisted Hydroboost brake booster, four-wheel disc brakes with ABS and Stabilitrak electronic stability assist
  • Stabilitrak electronic stability assist
  • Stabilitrak electronic stability assist (TCS)

Exterior0 std · 1 opt

  • Black-Out Package (available for HD Custom trim) optional

Powertrain2 std · 1 opt

  • 6.6L V-8 gasoline or E85 FlexFuel engine (401 hp / 464 lb-ft)
  • Allison 10L1000 10-speed automatic transmission
  • Duramax 6.6L V-8 Turbo-Diesel engine (470 hp / 975 lb-ft) optional

Chassis2 std · 0 opt

  • Hydraulic power-assisted recirculating ball steering
  • Short long arms independent front suspension with torsion bars

Cargo0 std · 1 opt

  • Max Towing Package (3500-series leaf springs and shocks on 2500) optional

Ranked by what shoppers ask about first; standard equipment before options.

Transcribed from the manufacturer's official press kit for the 2026 Silverado 2500HD. Confirm with the window sticker for a specific unit.

The cheapest ownership win

Insurers price the 2026 Silverado 2500HD very differently, and the gap between the best and worst quote on the same car and driver is usually larger than any option you are weighing on this page.

How to compare cover →

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Common questions about the Custom

Source: EPA, NHTSA and manufacturer press kits

What does the 2026 Chevrolet Silverado 2500HD Custom add over the WT?

Against the WT, 1 feature becomes standard that the WT does not and 3 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.