6 Speed Trucks with GMC Engines For Sale

Your Current Search
Industry
Trucks
Transmission Speeds
6 Speed
Engine Manufacturer
GMC
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (1160)
Cars (4)
Model
Select a manufacturer to view available models.
Condition
Model Year
-
Rear Axle
Transmission Type
Transmission Speed
6 Speed (1164)
Drive Train
Engine Manufacturer
GMC (1164)
Suspension Type
Cab Style
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
Market Type
201-225 of 1,164 results
201-225 of 1,164 results
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
27 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$29,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage90,267 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91621422
MLS Number13657435
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Lexington, KY, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
29 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$32,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage77,874 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91621344
MLS Number13329166
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
New Castle, DE, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
24 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$27,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage98,732 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91621321
MLS Number13657431
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Cincinnati, OH, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
29 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$31,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage89,501 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620897
MLS Number13329141
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
New Castle, DE, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$30,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage79,675 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620811
MLS Number13372234
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Laredo, TX, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
28 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$34,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage76,017 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620640
MLS Number13520379
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Montebello, CA, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$26,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage108,510 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620587
MLS Number13642511
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Piqua, OH, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
27 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$26,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage106,479 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620498
MLS Number13627914
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Harrisburg, PA, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$33,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage83,996 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620485
MLS Number13359981
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/20/2025
Location
Winston Salem, NC, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
29 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$32,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage83,222 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620304
MLS Number13450760
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
San Marcos, CA, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$36,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage53,442 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620271
MLS Number13498585
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Bowling Green, KY, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$30,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage81,952 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620245
MLS Number13406383
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Cross Lanes, WV, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$35,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage70,907 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620235
MLS Number12682391
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Pompano Beach, FL, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$33,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage64,570 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620151
MLS Number13657425
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/20/2025
Location
Round Rock, TX, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
30 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$35,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage71,027 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620147
MLS Number13489853
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
North Las Vegas, NV, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
23 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$33,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage76,459 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620088
MLS Number13431594
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/20/2025
Location
Medley, FL, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$30,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage82,957 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620026
MLS Number13657424
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Moberly, MO, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$30,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage85,017 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619888
MLS Number13527281
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Essex, MD, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
27 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$27,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage64,816 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619832
MLS Number13657420
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Sturtevant, WI, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$26,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage84,524 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619681
MLS Number13385664
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
Round Rock, TX, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$27,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage68,959 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619606
MLS Number13226120
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/21/2025
Location
North Bergen, NJ, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$24,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage100,318 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619351
MLS Number12966196
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/20/2025
Location
Huntington, WV, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$27,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage67,408 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619241
MLS Number13657414
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/20/2025
Location
Indianapolis, IN, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$29,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage79,722 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619105
MLS Number13644863
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/20/2025
Location
Denver, CO, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$28,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage80,617 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619085
MLS Number12624850
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated6/20/2025
Location
Jurupa Valley, CA, US
Sold By

Penske Used Trucks

Did you find what you were looking for? Yes No