GMC 6 Speed Trucks with GMC Engines For Sale

Your Current Search
Industry
Trucks
Manufacturer
GMC
Transmission Speeds
6 Speed
Engine Manufacturer
GMC
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (867)
Cars (3)
Make
GMC (870)
Model
Select a category to view available models.
Condition
Used (870)
Model Year
-
GVWR Category
Transmission Type
Transmission Speed
6 Speed (870)
Drive Train
Suspension Type
Spring (867)
Cab Style
Regular Cab (1)
Fuel Type
Gasoline (867)
Mileage
-
Horsepower
-
Price
-
Country
United States (870)
State / Region
Select a state below and click Refine Results.











































Market Type
For Sale (870)

Showing 401 - 425 of 870 Listings

401 - 425 of 870 listings
401 - 425 of 870 listings
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Recently Updated
$27,250 USD
Used 2021 GMC G33903 Box Truck for sale, 120,112 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, spring suspension, roll-up door. Check it...
ConditionUsed
Usage120,112 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618967
MLS Number13387238
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Corpus Christi, TX, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Recently Updated
$29,500 USD
Used 2021 GMC G33903 Box Truck for sale, 99,835 miles, 401 HP 6.6LV8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 126” height, yellow, LT22575R16 tires. Check...
ConditionUsed
Usage99,835 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618786
MLS Number13791467
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
New Castle, DE, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Recently Updated
$28,750 USD
Used 2021 GMC G33903 Box Truck for sale, 102,734 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, roll-up door, 126-inch height. Check it...
ConditionUsed
Usage102,734 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618629
MLS Number13527207
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Allentown, PA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Recently Updated
$30,750 USD
Used 2021 GMC G33903 Box Truck for sale, 86,573 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 33-gallon fuel capacity, roll-up door. Check it out!
ConditionUsed
Usage86,573 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618624
MLS Number13235260
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
New Castle, DE, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Newly Listed
$28,000 USD
Used 2021 GMC G33903 Box Truck for sale, 124,196 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle with 8600 lbs capacity, gasoline fuel, yellow color, 126"...
ConditionUsed
Usage124,196 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618589
MLS Number14094279
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Richland, MS, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Recently Updated
$28,750 USD
Used 2021 GMC G33903 Box Truck for sale, 90,868 miles, 401 HP 6.6L V8 gas engine, 6-speed automatic transmission, 8,600 lb single rear axle, 33-gallon fuel capacity, roll-up door. Check it...
ConditionUsed
Usage91,017 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618482
MLS Number13548703
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
Fontana, CA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Recently Updated
$27,750 USD
Used 2021 GMC G33903 Box Truck for sale, 107,772 miles, 401 HP 6.6LV8 gasoline engine, 6-speed automatic transmission, 8600 lb rear axle, 177" wheelbase, roll-up door. Check it out today.
ConditionUsed
Usage110,941 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618321
MLS Number13854111
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Fitchburg, MA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Recently Updated
$27,750 USD
Used 2021 GMC G33903 box truck for sale, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 177-inch wheelbase, 8600 lbs single rear axle, 33-gallon fuel capacity, roll-up door....
ConditionUsed
Usage113,999 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618158
MLS Number13431538
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/18/2026
Location
Oakwood Village, OH, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Newly Listed
$26,000 USD
Used 2021 GMC G33903 Box Truck for sale, 118,870 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle (8,600 lbs), 177" wheelbase, roll up door, yellow....
ConditionUsed
Usage118,870 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618149
MLS Number14094278
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/18/2026
Location
Plymouth, MI, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Recently Updated
$29,250 USD
Used 2021 GMC G33903 Box Truck for sale, 98,284 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, roll-up door, 177" wheelbase. Check it out.
ConditionUsed
Usage98,284 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618102
MLS Number13885392
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Fort Walton Beach, FL, US
Sold By
Penske Used Trucks
GMC G33405 Cargo Van - 6.0LV8, 276HP, 6 Speed Automatic

2020 GMC G33405 Cargo Van - 6.0LV8, 276HP, 6 Speed Automatic

Newly Listed
$30,250 USD
Used 2020 GMC G33405 Cargo Van for sale, 59,788 miles, 6.0L V8 gasoline engine with 276 HP, 6-speed automatic transmission, single rear axle, 135-inch wheelbase. Check it out today!
ConditionUsed
Usage59,788 Miles
Duty ClassLight Duty Cargo Van
Horse Power276 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End5,700 lb 3.42 ratio
Door TypeSwing
Stock Number379771
MLS Number14094244
CategoryCargo Vans
Last Updated1/21/2026
Location
Hazleton, PA, US
Sold By
Penske Used Trucks
GMC G33405 Cargo Van - 6.0LV8, 276HP, 6 Speed Automatic

2020 GMC G33405 Cargo Van - 6.0LV8, 276HP, 6 Speed Automatic

Newly Listed
$30,250 USD
Used 2020 GMC G33405 Cargo Van, 63,356 miles, 276 HP 6.0L V8 gasoline engine, 6-speed automatic transmission, single rear axle, 4,000 lbs front axle, 5,700 lbs rear axle. Check it out.
ConditionUsed
Usage63,356 Miles
Duty ClassLight Duty Cargo Van
Horse Power276 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End5,700 lb 3.42 ratio
Door TypeSwing
Stock Number379769
MLS Number14094243
CategoryCargo Vans
Last Updated1/18/2026
Location
Jessup, PA, US
Sold By
Penske Used Trucks
GMC G33405 Cargo Van - 6.0LV8, 276HP, 6 Speed Automatic

2020 GMC G33405 Cargo Van - 6.0LV8, 276HP, 6 Speed Automatic

Newly Listed
$29,000 USD
Used 2020 GMC G33405 Cargo Van with 80,852 miles, 6.0L V8 gasoline engine, 276 HP, 6-speed automatic transmission, single rear axle, spring suspension, 31-gallon fuel capacity, white color,...
ConditionUsed
Usage80,852 Miles
Duty ClassLight Duty Cargo Van
Horse Power276 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End5,700 lb 3.42 ratio
Door TypeSwing
Stock Number379768
MLS Number14094242
CategoryCargo Vans
Last Updated1/21/2026
Location
Jessup, PA, US
Sold By
Penske Used Trucks
GMC G33405 Cargo Van - 6.0LV8, 276HP, 6 Speed Automatic

2020 GMC G33405 Cargo Van - 6.0LV8, 276HP, 6 Speed Automatic

Newly Listed
$31,000 USD
Used 2020 GMC G33405 Cargo Van for sale, 47,851 miles, 6.0LV8 gasoline engine with 276 HP, 6-speed automatic transmission, single rear axle, 135" wheelbase, 31-gallon fuel capacity. Check it...
ConditionUsed
Usage48,020 Miles
Duty ClassLight Duty Cargo Van
Horse Power276 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End5,700 lb 3.42 ratio
Door TypeSwing
Stock Number379767
MLS Number14094241
CategoryCargo Vans
Last Updated1/21/2026
Location
Hazleton, PA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

2020 GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

Recently Updated
$26,750 USD
Used 2020 GMC G33903 Box Truck with 341HP 6.0L V8 GMC engine, 6-speed automatic transmission, 17,700 lb GVWR, single rear axle, LT22575R16 tires, 126" height, roll-up door. Check it out.
ConditionUsed
Usage108,500 Miles
Duty ClassLight Duty Box Truck
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91617105
MLS Number12734171
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/18/2026
Location
Ocala, FL, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

2020 GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

Recently Updated
$28,500 USD
ConditionUsed
Usage87,289 Miles
Duty ClassLight Duty Box Truck
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91616460
MLS Number13642252
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Norwalk, OH, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

2020 GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

Newly Listed
$24,750 USD
Used 2020 GMC G33903 Box Truck for sale, 108,317 miles, 341 HP 6.0L V8 engine, 6-speed automatic transmission, single rear axle, 8,600 lbs capacity, 33-gallon fuel tank, roll-up door. Check...
ConditionUsed
Usage108,334 Miles
Duty ClassLight Duty Box Truck
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91616416
MLS Number14094216
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Bensalem, PA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

2020 GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

Recently Updated
$30,250 USD
Used 2020 GMC G33903 Box Truck for sale, 86,523 miles, 341HP 6.0L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, white, roll-up door, 177-inch wheelbase....
ConditionUsed
Usage87,672 Miles
Duty ClassLight Duty Box Truck
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91616137
MLS Number13786448
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Beaumont, TX, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

2020 GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

Recently Updated
$28,750 USD
Used 2020 GMC G33903 Box Truck for sale, 97,160 miles, 341 HP 6.0L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 33-gallon fuel capacity. Check it out.
ConditionUsed
Usage97,160 Miles
Duty ClassLight Duty Box Truck
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91616058
MLS Number13824604
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Greensboro, NC, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

2020 GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

Recently Updated
$30,500 USD
Used 2020 GMC G33903 Box Truck with 85,836 miles, 341 HP 6.0L V8 gasoline engine, 6-speed automatic transmission, single rear axle, spring suspension, and roll-up door. Come see us today.
ConditionUsed
Usage89,789 Miles
Duty ClassLight Duty Box Truck
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91615869
MLS Number13885344
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
West Sacramento, CA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

2020 GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

Price Drop $25,750 USD
Used 2020 GMC G33903 Box Truck for sale, 97,702 miles, 341HP 6.0L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, white color, roll-up...
ConditionUsed
Usage100,974 Miles
Duty ClassLight Duty Box Truck
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91615843
MLS Number12285096
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Montgomery, AL, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

2020 GMC G33903 Box Truck - 341HP, 6 Speed Automatic, Roll up Door

Recently Updated
$28,750 USD
Used 2020 GMC G33903 box truck for sale, 103,027 miles, 341 HP 6.0L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, 177-inch wheelbase, white, roll-up door....
ConditionUsed
Usage105,045 Miles
Duty ClassLight Duty Box Truck
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91615758
MLS Number13574130
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Riviera Beach, FL, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2022 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$36,250 USD
Used 2022 GMC G33903 Box Truck for sale, 73,245 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 17'7\" wheelbase, 8,600 lb rear axle, white with roll-up door. Check it...
ConditionUsed
Usage79,481 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number245734
MLS Number13396470
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
Piqua, OH, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

Recently Updated
$29,500 USD
Used 2021 GMC G33903 Box Truck for sale, 108,659 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, single rear axle 8600 lbs, 177" wheelbase, roll-up door. Check it out.
ConditionUsed
Usage112,484 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620201
MLS Number13905614
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/21/2026
Location
West Sacramento, CA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2023 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$28,000 USD
Used 2023 GMC G33903 Box Truck for sale, 120,204 miles, 401HP 6.6LV8 gasoline engine, 6-speed automatic transmission, single rear axle with spring suspension, roll-up door, 32-gallon fuel...
ConditionUsed
Usage120,204 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91628996
MLS Number14092408
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/17/2026
Location
Lubbock, TX, US
Sold By
Penske Used Trucks
Did you find what you were looking for? Yes No