Used GMC 6 Speed Trucks with 3.50-0.00 Ratio For Sale

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Showing 351 - 375 of 624 Listings

351 - 375 of 624 listings
351 - 375 of 624 listings
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

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

$24,500 USD
Used 2021 GMC G33903 Box Truck for sale, 114,736 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle rated 8,600 lbs, gasoline fuel, roll-up door. See it now.
ConditionUsed
Usage114,857 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 Number91621017
MLS Number13870229
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/25/2026
Location
Conway, SC, 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

$27,000 USD
Used 2021 GMC G33903 Box Truck, 401HP 6.6LV8 GMC engine, 6-speed automatic 6L90 transmission, single rear axle 8600 lbs, 177" wheelbase, LT22575R16 tires, 33-gallon gas fuel capacity. See it...
ConditionUsed
Usage97,206 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 Number91620731
MLS Number14157442
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/8/2026
Location
Montgomery, NY, 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

$27,000 USD
Used 2021 GMC G33903 Box Truck for sale, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 33-gallon fuel capacity, single rear axle 8600 lbs, roll-up door. See it now!
ConditionUsed
Usage116,190 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 Number91623871
MLS Number14107471
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/17/2026
Location
Las Vegas, NV, 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

$27,750 USD
Used 2021 GMC G33903 Box Truck for sale, 102,644 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission. Features roll up door, 8600 lbs single rear axle, 33-gallon fuel capacity....
ConditionUsed
Usage102,647 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 Number91623669
MLS Number14100067
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/11/2026
Location
Melrose Park, IL, 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

Price Drop $26,750 USD
Used 2021 GMC G33903 Box Truck for sale, 85,862 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, 177-inch wheelbase. Check it...
ConditionUsed
Usage85,884 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 Number91621483
MLS Number14051822
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/19/2026
Location
Lubbock, 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

$26,250 USD
Used 2021 GMC G33903 Box Truck for sale, 401 HP 6.6L V8 engine, 6-speed automatic transmission, 118,995 miles, 8600 lbs single rear axle, 33-gallon fuel capacity, roll up door. See it now.
ConditionUsed
Usage118,995 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 Number91620986
MLS Number14099463
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/11/2026
Location
Melrose Park, IL, 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

Price Drop $27,250 USD
Used 2021 GMC G33903 Box Truck for sale, 108,329 miles, 401 HP 6.6LV8 GMC gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, 33-gallon fuel...
ConditionUsed
Usage108,330 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 Number91620100
MLS Number14114548
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/25/2026
Location
Garland, 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

Price Drop $26,500 USD
Used 2021 GMC G33903 Box Truck for sale, 110,363 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle, 8,600 lb capacity, roll-up door. See it now.
ConditionUsed
Usage110,364 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 Number91620998
MLS Number14111168
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/25/2026
Location
Shreveport, LA, 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

$28,250 USD
Used 2021 GMC G33903 Box Truck for sale, 86,935 miles, 401 HP 6.6L V8 GMC gasoline engine, 6-speed automatic transmission (6L90), 8,600 lbs single rear axle, roll-up door. Check it out.
ConditionUsed
Usage86,936 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 Number91619846
MLS Number14074852
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/4/2026
Location
Chicopee, 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

Price Drop $23,500 USD
Used 2021 GMC G33903 Box Truck for sale, 118,032 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, roll-up door, 177-inch wheelbase. Check it...
ConditionUsed
Usage118,033 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 Number91618498
MLS Number14118053
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/18/2026
Location
Prince George, VA, 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

Price Drop $22,500 USD
Used 2021 GMC G33903 Box Truck with 401HP 6.6LV8 engine, 6-speed automatic transmission, single rear axle, 8600 lbs capacity, 177" wheelbase, roll-up door, gasoline fuel, and 33-gallon tank....
ConditionUsed
Usage107,313 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 Number91619792
MLS Number14101946
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/25/2026
Location
El Paso, 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

$24,500 USD
Used 2021 GMC G33903 Box Truck for sale, 132,353 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, 177” wheelbase, 33-gallon fuel tank. Check...
ConditionUsed
Usage132,353 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 Number91621538
MLS Number14147343
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/10/2026
Location
Chicopee, 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

$24,250 USD
Used 2021 GMC G33903 Box Truck with 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle, 8600 lbs axle rating, 177" wheelbase, 33-gallon fuel capacity, and...
ConditionUsed
Usage100,614 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 Number91619630
MLS Number14094284
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/26/2026
Location
Baton Rouge, LA, 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

Price Drop $25,250 USD
Used 2021 GMC G33903 Box Truck for sale, 90,125 miles, 401 HP 6.6LV8 engine, 6-speed automatic transmission, single rear axle rated 8600 lbs, 33-gallon fuel capacity, roll-up door. See it...
ConditionUsed
Usage90,216 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 Number91619053
MLS Number13410228
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/24/2026
Location
Fontana, 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 $24,500 USD
Used 2020 GMC G33903 Box Truck for sale, 103,089 miles, 341HP 6.0LV8 GMC engine, 6-speed automatic transmission, single rear axle 8600 lbs, gasoline, white, roll-up door. Check it out!
ConditionUsed
Usage105,436 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 Number91615743
MLS Number14130815
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/25/2026
Location
Binghamton, NY, 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

Price Drop $25,750 USD
Used 2021 GMC G33903 Box Truck for sale, 110,948 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb single rear axle, 177" wheelbase, white with roll-up door. See...
ConditionUsed
Usage110,983 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 Number91623964
MLS Number14105604
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/25/2026
Location
Concord, NC, 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

$27,500 USD
Used 2021 GMC G33903 Box Truck for sale, 109,112 miles, 401HP 6.6LV8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, white with roll-up...
ConditionUsed
Usage109,215 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 Number91623808
MLS Number14100082
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/12/2026
Location
Jacksonville, FL, 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

$26,250 USD
Used 2021 GMC G33903 Box Truck for sale, 105,563 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, 126" height, roll-up door. Check it out.
ConditionUsed
Usage105,564 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 Number91623750
MLS Number14107467
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/24/2026
Location
Harahan, LA, 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

$25,500 USD
Used 2021 GMC G33903 Box Truck for sale, 110,682 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, roll-up door, 177-inch wheelbase. Check it...
ConditionUsed
Usage110,683 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 Number91619104
MLS Number14114519
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/10/2026
Location
Rockville, MD, 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

Price Drop $21,750 USD
Used 2021 GMC G33903 Box Truck, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 86,000 lbs single rear axle, 126-inch height, 177-inch wheelbase, LT22575R16 tires. Check it...
ConditionUsed
Usage95,445 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 Number91618933
MLS Number14079854
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/25/2026
Location
Columbus, 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

$26,250 USD
Used 2021 GMC G33903 Box Truck for sale, 119,534 miles, 401 HP 6.6LV8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177" wheelbase, white with roll-up door. See...
ConditionUsed
Usage119,593 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 Number91623749
MLS Number14118460
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/11/2026
Location
Melrose Park, IL, 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

$27,000 USD
Used 2021 GMC G33903 Light Duty Box Truck for sale, 105,256 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb single rear axle, roll-up door. Check it out today!
ConditionUsed
Usage105,257 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 Number91620574
MLS Number14122133
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/10/2026
Location
Bensalem, 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

$26,500 USD
Used 2021 GMC G33903 Box Truck for sale, 86,967 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, yellow, roll-up door. Check it out.
ConditionUsed
Usage87,149 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 Number91619589
MLS Number14099454
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/26/2026
Location
Sioux Falls, SD, 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

Price Drop $23,750 USD
Used 2021 GMC G33903 Box Truck for sale, 87,444 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle 8,600 lbs, roll-up door, gasoline fuel, 33-gallon capacity....
ConditionUsed
Usage87,510 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 Number91618501
MLS Number12425603
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/23/2026
Location
Torrance, 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

$26,750 USD
Used 2021 GMC G33903 Box Truck for sale, 110,793 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb single rear axle, 177-inch wheelbase, 33-gallon fuel capacity....
ConditionUsed
Usage110,835 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 Number91623680
MLS Number14077997
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/10/2026
Location
Dayton, NJ, US
Sold By
Penske Used Trucks
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