Regular Cab GMT900 18 specifications
All18
Petrol14
Diesel4
Petrol
4.3 l
4-speed automatic
RWD
2007–2013
Torque 353 Nm (260 lb-ft)
Displacement 4294 cc
Cylinders 6
Engine LU3
Aspiration naturally aspirated
4.3 l
4-speed automatic
4WD
2007–2013
Torque 353 Nm (260 lb-ft)
Displacement 4294 cc
Cylinders 6
Engine LU3
Aspiration naturally aspirated
4.8 l
4-speed automatic
RWD
2007–2009
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine LY2
Aspiration naturally aspirated
4.8 l
4-speed automatic
4WD
2007–2009
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine LY2
Aspiration naturally aspirated
4.8 l
4-speed automatic
RWD
2010–2013
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine L20
Aspiration naturally aspirated
4.8 l
4-speed automatic
4WD
2010–2013
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine L20
Aspiration naturally aspirated
5.3 l
4-speed automatic
RWD
2007–2009
Torque 461 Nm (340 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LY5
Aspiration naturally aspirated
5.3 l
4-speed automatic
4WD
2007–2009
Torque 461 Nm (340 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LY5
Aspiration naturally aspirated
5.3 l
6-speed automatic
RWD
2009–2013
Torque 454 Nm (335 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LC9
Aspiration naturally aspirated
5.3 l
6-speed automatic
4WD
2009–2013
Torque 454 Nm (335 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LC9
Aspiration naturally aspirated
6.0 l
6-speed automatic
RWD
2007–2010
Torque 515 Nm (380 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine LY6
Aspiration naturally aspirated
6.0 l
6-speed automatic
4WD
2007–2010
Torque 515 Nm (380 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine LY6
Aspiration naturally aspirated
6.0 l
6-speed automatic
RWD
2011–2014
Torque 515 Nm (380 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L96
Aspiration naturally aspirated
6.0 l
6-speed automatic
4WD
2011–2014
Torque 515 Nm (380 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L96
Aspiration naturally aspirated
Diesel
6.6 V8 Duramax
365hp (272 kW)
6.6 l
6-speed automatic
RWD
2007–2010
Torque 895 Nm (660 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LMM
Aspiration turbo
6.6 V8 Duramax
365hp (272 kW)
6.6 l
6-speed automatic
4WD
2007–2010
Torque 895 Nm (660 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LMM
Aspiration turbo
6.6 V8 Duramax
397hp (296 kW)
6.6 l
6-speed automatic
RWD
2011–2014
Torque 1037 Nm (765 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LML
Aspiration turbo
6.6 V8 Duramax
397hp (296 kW)
6.6 l
6-speed automatic
4WD
2011–2014
Torque 1037 Nm (765 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LML
Aspiration turbo
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Extended Cab GMT900 24 specifications
All24
Petrol20
Diesel4
Petrol
4.3 l
4-speed automatic
RWD
2007–2013
Torque 353 Nm (260 lb-ft)
Displacement 4300 cc
Cylinders 6
Engine LU3
Aspiration naturally aspirated
4.3 l
4-speed automatic
4WD
2007–2013
Torque 353 Nm (260 lb-ft)
Displacement 4300 cc
Cylinders 6
Engine LU3
Aspiration naturally aspirated
4.8 l
4-speed automatic
RWD
2007–2009
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine LY2
Aspiration naturally aspirated
4.8 l
4-speed automatic
4WD
2007–2009
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine LY2
Aspiration naturally aspirated
4.8 l
4-speed automatic
RWD
2010–2013
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine L20
Aspiration naturally aspirated
4.8 l
4-speed automatic
4WD
2010–2013
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine L20
Aspiration naturally aspirated
5.3 l
4-speed automatic
RWD
2007–2009
Torque 458 Nm (338 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LY5
Aspiration naturally aspirated
5.3 l
4-speed automatic
4WD
2007–2009
Torque 458 Nm (338 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LY5
Aspiration naturally aspirated
5.3 l
6-speed automatic
RWD
2009–2013
Torque 454 Nm (335 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LC9
Aspiration naturally aspirated
5.3 l
6-speed automatic
4WD
2009–2013
Torque 454 Nm (335 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LC9
Aspiration naturally aspirated
6.0 l
6-speed automatic
RWD
2007–2010
Torque 506 Nm (373 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine LY6
Aspiration naturally aspirated
6.0 l
6-speed automatic
4WD
2007–2010
Torque 506 Nm (373 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine LY6
Aspiration naturally aspirated
6.0 l
6-speed automatic
RWD
2011–2014
Torque 515 Nm (380 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L96
Aspiration naturally aspirated
6.0 l
6-speed automatic
4WD
2011–2014
Torque 515 Nm (380 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L96
Aspiration naturally aspirated
6.0 l
4-speed automatic
RWD
2007–2008
Torque 510 Nm (376 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L76
Aspiration naturally aspirated
6.0 l
4-speed automatic
4WD
2007–2008
Torque 510 Nm (376 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L76
Aspiration naturally aspirated
6.0 l
6-speed automatic
RWD
2009–2009
Torque 508 Nm (375 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L76
Aspiration naturally aspirated
6.0 l
6-speed automatic
4WD
2009–2009
Torque 508 Nm (375 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L76
Aspiration naturally aspirated
6.2 l
6-speed automatic
RWD
2009–2013
Torque 565 Nm (417 lb-ft)
Displacement 6162 cc
Cylinders 8
Engine L9H
Aspiration naturally aspirated
6.2 l
6-speed automatic
4WD
2009–2013
Torque 565 Nm (417 lb-ft)
Displacement 6162 cc
Cylinders 8
Engine L9H
Aspiration naturally aspirated
Diesel
6.6 V8 Duramax
365hp (272 kW)
6.6 l
6-speed automatic
RWD
2007–2010
Torque 895 Nm (660 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LMM
Aspiration turbo
6.6 V8 Duramax
365hp (272 kW)
6.6 l
6-speed automatic
4WD
2007–2010
Torque 895 Nm (660 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LMM
Aspiration turbo
6.6 V8 Duramax
397hp (296 kW)
6.6 l
6-speed automatic
RWD
2011–2014
Torque 1037 Nm (765 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LML
Aspiration turbo
6.6 V8 Duramax
397hp (296 kW)
6.6 l
6-speed automatic
4WD
2011–2014
Torque 1037 Nm (765 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LML
Aspiration turbo
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Crew Cab GMT900 24 specifications
All24
Petrol18
Diesel4
Hybrid2
Petrol
4.8 l
4-speed automatic
RWD
2007–2009
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine LY2
Aspiration naturally aspirated
4.8 l
4-speed automatic
4WD
2007–2009
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine LY2
Aspiration naturally aspirated
4.8 l
4-speed automatic
RWD
2010–2013
Torque 414 Nm (305 lb-ft)
Displacement 4806 cc
Cylinders 8
Engine L20
Aspiration naturally aspirated
4.8 l
4-speed automatic
4WD
2010–2013
Torque 414 Nm (305 lb-ft)
Displacement 4807 cc
Cylinders 8
Engine L20
Aspiration naturally aspirated
5.3 l
4-speed automatic
RWD
2007–2009
Torque 458 Nm (338 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LY5
Aspiration naturally aspirated
5.3 l
4-speed automatic
4WD
2007–2009
Torque 458 Nm (338 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LY5
Aspiration naturally aspirated
5.3 l
6-speed automatic
RWD
2009–2013
Torque 454 Nm (335 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LC9
Aspiration naturally aspirated
5.3 l
6-speed automatic
4WD
2009–2013
Torque 454 Nm (335 lb-ft)
Displacement 5328 cc
Cylinders 8
Engine LC9
Aspiration naturally aspirated
6.0 l
6-speed automatic
RWD
2007–2010
Torque 506 Nm (373 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine LY6
Aspiration naturally aspirated
6.0 l
6-speed automatic
4WD
2007–2010
Torque 506 Nm (373 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine LY6
Aspiration naturally aspirated
6.0 l
6-speed automatic
RWD
2011–2014
Torque 515 Nm (380 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L96
Aspiration naturally aspirated
6.0 l
6-speed automatic
4WD
2011–2014
Torque 515 Nm (380 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L96
Aspiration naturally aspirated
6.0 l
4-speed automatic
RWD
2007–2008
Torque 510 Nm (376 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L76
Aspiration naturally aspirated
6.0 l
4-speed automatic
4WD
2007–2008
Torque 510 Nm (376 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L76
Aspiration naturally aspirated
6.0 l
6-speed automatic
RWD
2009–2009
Torque 510 Nm (376 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L76
Aspiration naturally aspirated
6.0 l
6-speed automatic
4WD
2009–2009
Torque 510 Nm (376 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine L76
Aspiration naturally aspirated
6.2 l
6-speed automatic
RWD
2009–2013
Torque 565 Nm (417 lb-ft)
Displacement 6162 cc
Cylinders 8
Engine L9H
Aspiration naturally aspirated
6.2 l
6-speed automatic
4WD
2009–2013
Torque 565 Nm (417 lb-ft)
Displacement 6162 cc
Cylinders 8
Engine L9H
Aspiration naturally aspirated
Diesel
6.6 V8 Duramax
365hp (272 kW)
6.6 l
6-speed automatic
RWD
2007–2010
Torque 895 Nm (660 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LMM
Aspiration turbo
6.6 V8 Duramax
365hp (272 kW)
6.6 l
6-speed automatic
4WD
2007–2010
Torque 895 Nm (660 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LMM
Aspiration turbo
6.6 V8 Duramax
397hp (296 kW)
6.6 l
6-speed automatic
RWD
2011–2014
Torque 1037 Nm (765 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LML
Aspiration turbo
6.6 V8 Duramax
397hp (296 kW)
6.6 l
6-speed automatic
4WD
2011–2014
Torque 1037 Nm (765 lb-ft)
Displacement 6599 cc
Cylinders 8
Engine LML
Aspiration turbo
Hybrid
6.0 V8 Hybrid
333hp (248 kW)
6.0 l
1.8 kWh
4-speed automatic
RWD
2009–2013
Torque 498 Nm (367 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine LFA
Aspiration naturally aspirated
Battery 1.8 kWh
6.0 V8 Hybrid
333hp (248 kW)
6.0 l
1.8 kWh
4-speed automatic
4WD
2009–2013
Torque 498 Nm (367 lb-ft)
Displacement 5967 cc
Cylinders 8
Engine LFA
Aspiration naturally aspirated
Battery 1.8 kWh
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