Compare 14 trims on the 2006 GMC Sierra 2500

It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, and aren’t overpaying for those you don’t want.


Our comparison will help you prioritize the trims that are right for you.

Style
Ext Cab 157.5" WB 4WD SL Ext Cab 157.5" WB 2WD SL Ext Cab 143.5" WB 4WD SL Ext Cab 143.5" WB 2WD SL Crew Cab 153" WB 4WD SL Crew Cab 153" WB 2WD SL Crew Cab 167" WB 2WD SL Crew Cab 167" WB 4WD SL Reg Cab 133" WB 2WD SL Reg Cab 133" WB 4WD SL
Inventory price
Starting at $30,440 Starting at $27,710 Starting at $30,145 Starting at $27,415 Starting at $32,385 Starting at $29,400 Starting at $29,700 Starting at $32,675 Starting at $23,915 Starting at $26,695
MPG
0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG
Engine
300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Transmission
6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T
Drivetrain
Four Wheel Drive Rear Wheel Drive Four Wheel Drive Rear Wheel Drive Four Wheel Drive Rear Wheel Drive Rear Wheel Drive Four Wheel Drive Rear Wheel Drive Four Wheel Drive
Color
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
Seating
6 6 6 6 6 6 6 6 3 3
Full specs
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Style
Ext Cab 143.5" WB 2WD SLE1 Ext Cab 157.5" WB 2WD SLE1 Ext Cab 143.5" WB 4WD SLE1 Ext Cab 157.5" WB 4WD SLE1 Reg Cab 133" WB 2WD SLE1 Reg Cab 133" WB 4WD SLE1 Crew Cab 153" WB 4WD SLE1 Crew Cab 153" WB 2WD SLE1 Crew Cab 167" WB 2WD SLE1 Crew Cab 167" WB 4WD SLE1
Inventory price
Starting at $28,825 Starting at $29,120 Starting at $31,610 Starting at $31,905 Starting at $24,985 Starting at $27,985 Starting at $33,725 Starting at $30,745 Starting at $31,040 Starting at $34,020
MPG
0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG
Engine
300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Transmission
6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T
Drivetrain
Rear Wheel Drive Rear Wheel Drive Four Wheel Drive Four Wheel Drive Rear Wheel Drive Four Wheel Drive Four Wheel Drive Rear Wheel Drive Rear Wheel Drive Four Wheel Drive
Color
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
Seating
5 5 5 5 3 3 5 5 5 5
Full specs
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Style
Ext Cab 143.5" WB 4WD SLE2 Ext Cab 157.5" WB 4WD SLE2 Ext Cab 143.5" WB 2WD SLE2 Ext Cab 157.5" WB 2WD SLE2 Crew Cab 153" WB 4WD SLE2 Crew Cab 167" WB 4WD SLE2 Crew Cab 153" WB 2WD SLE2 Crew Cab 167" WB 2WD SLE2
Inventory price
Starting at $33,285 Starting at $33,575 Starting at $30,305 Starting at $30,600 Starting at $35,560 Starting at $35,855 Starting at $32,380 Starting at $32,675
MPG
0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG
Engine
330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel)
Transmission
6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T
Drivetrain
Four Wheel Drive Four Wheel Drive Rear Wheel Drive Rear Wheel Drive Four Wheel Drive Four Wheel Drive Rear Wheel Drive Rear Wheel Drive
Color
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
Seating
5 5 5 5 5 5 5 5
Full specs
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Style
Ext Cab 143.5" WB 2WD SLT Ext Cab 143.5" WB 4WD SLT Ext Cab 157.5" WB 4WD SLT Ext Cab 157.5" WB 2WD SLT Crew Cab 153" WB 2WD SLT Crew Cab 167" WB 4WD SLT Crew Cab 167" WB 2WD SLT Crew Cab 153" WB 4WD SLT
Inventory price
Starting at $32,235 Starting at $35,170 Starting at $35,460 Starting at $32,525 Starting at $34,310 Starting at $37,740 Starting at $34,600 Starting at $37,445
MPG
0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG
Engine
330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel) 330.0-hp, 8.1-liter, 8 Cylinder Engine (Gasoline Fuel)
Transmission
6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T
Drivetrain
Rear Wheel Drive Four Wheel Drive Four Wheel Drive Rear Wheel Drive Rear Wheel Drive Four Wheel Drive Rear Wheel Drive Four Wheel Drive
Color
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
Seating
5 5 5 5 5 5 5 5
Full specs
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Style
Reg Cab 133" WB 4WD Work Truck Reg Cab 133" WB 2WD Work Truck Ext Cab 157.5" WB 2WD Work Truck Ext Cab 157.5" WB 4WD Work Truck Ext Cab 143.5" WB 4WD Work Truck Ext Cab 143.5" WB 2WD Work Truck Crew Cab 153" WB 4WD Work Truck Crew Cab 167" WB 2WD Work Truck Crew Cab 153" WB 2WD Work Truck Crew Cab 167" WB 4WD Work Truck
Inventory price
Starting at $24,605 Starting at $21,825 Starting at $25,905 Starting at $28,640 Starting at $28,345 Starting at $25,610 Starting at $30,585 Starting at $27,895 Starting at $27,605 Starting at $30,875
MPG
0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG 0 combined MPG
Engine
300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 300.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Transmission
6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T 6-Speed A/T
Drivetrain
Four Wheel Drive Rear Wheel Drive Rear Wheel Drive Four Wheel Drive Four Wheel Drive Rear Wheel Drive Four Wheel Drive Rear Wheel Drive Rear Wheel Drive Four Wheel Drive
Color
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
10 exterior
Seating
3 3 5 5 5 5 5 5 5 5
Full specs
View full specs View full specs View full specs View full specs View full specs View full specs View full specs View full specs View full specs View full specs