6 Speed Trucks with GMC Engines For Sale

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Showing 826 - 850 of 982 Truck Listings

826 - 850 of 982 listings
826 - 850 of 982 listings
Isuzu NPR Box Truck - 6 Speed Automatic, Roll up Door

2016 Isuzu NPR Box Truck - 6 Speed Automatic, Roll up Door

$32,500 USD
Used 2016 Isuzu NPR Box Truck for sale, 24,842 miles, 6-speed automatic transmission, gasoline engine, white color, 33-gallon fuel capacity, single rear axle, roll-up door, light duty GVWR....
ConditionUsed
Usage24,842 Miles
Duty ClassLight Duty Box Truck
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
Rear AxleSingle Axle
Rear End8,840 lb
Door TypeRoll up
Stock Number718510
MLS Number14023504
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/30/2025
Location
Conyers, GA, 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

$36,500 USD
Used 2022 GMC G33903 Box Truck for sale, 44,455 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs rear axle, spring suspension, roll-up door, 33-gallon fuel...
ConditionUsed
Usage48,819 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 Number235727
MLS Number13507068
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/14/2026
Location
Tacoma, WA, 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

$28,000 USD
Used 2022 GMC G33903 Box Truck for sale, 109,220 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 177" wheelbase, roll-up door. Check it out...
ConditionUsed
Usage109,220 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 Number91625702
MLS Number14064503
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/4/2026
Location
San Leandro, 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

$32,250 USD
Used 2021 GMC G33903 Box Truck for sale, 86,378 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb single rear axle, 177" wheelbase, roll-up door, 33-gallon fuel...
ConditionUsed
Usage86,378 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 Number91623817
MLS Number14064497
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
South San Francisco, CA, US
Sold By
Penske Used Trucks
Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door

2021 Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door

$38,250 USD
Used 2021 Isuzu NPR EFI box truck for sale, 117,265 miles, 350 HP GMC 6.6L V8 engine, 6-speed automatic transmission, roll-up door, single rear axle, spring suspension. Book a walkaround.
ConditionUsed
Usage119,362 Miles
Duty ClassLight Duty Box Truck
Horse Power350 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number487597
MLS Number13822829
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Pensacola, FL, US
Sold By
Penske Used Trucks
Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door

2021 Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door

$45,750 USD
Used 2021 Isuzu NPR EFI Box Truck, 73,506 miles, 350 HP 6.6L V8 GMC gasoline engine, 6-speed automatic GMC transmission, 150-inch wheelbase, roll-up door, single rear axle. Check it out.
ConditionUsed
Usage73,506 Miles
Duty ClassLight Duty Box Truck
Horse Power350 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number487539
MLS Number13539597
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Aurora, CO, US
Sold By
Penske Used Trucks
Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door

2021 Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door

$32,750 USD
Used 2021 Isuzu NPR EFI Box Truck for sale, 121,366 miles, 350 HP 6.6L V8 gasoline engine by GMC, 6-speed automatic transmission, roll-up door, spring suspension, 30-gallon fuel capacity....
ConditionUsed
Usage127,383 Miles
Duty ClassLight Duty Box Truck
Horse Power350 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number487330
MLS Number13865326
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/15/2026
Location
Liverpool, 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

$31,250 USD
Used 2021 GMC G33903 Box Truck for sale, 99,385 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle, 8,600 lbs axle, roll-up door, 33-gallon fuel capacity...
ConditionUsed
Usage99,386 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 Number91620978
MLS Number14064412
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/2/2026
Location
Sparks, 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

$31,000 USD
Used 2021 GMC G33903 box truck for sale, 97,859 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 33-gallon fuel capacity, roll-up door, white. Check...
ConditionUsed
Usage97,859 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 Number91620801
MLS Number14064411
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Kennesaw, GA, 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

$32,250 USD
Used 2021 GMC G33903 Box Truck for sale, 94,192 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb rear axle, 177-inch wheelbase, white, roll-up door. See it now.
ConditionUsed
Usage94,214 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 Number91620529
MLS Number14064409
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/10/2026
Location
Dallas, 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

$31,250 USD
Used 2021 GMC G33903 Box Truck for sale, 97,075 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, 177" wheelbase. Check it out...
ConditionUsed
Usage97,075 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 Number91619976
MLS Number14064407
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Albuquerque, NM, 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

$28,750 USD
Used 2021 GMC G33903 Box Truck for sale, 96,427 miles, 401HP 6.6L V8 engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177-inch wheelbase, roll-up door, 33-gallon fuel...
ConditionUsed
Usage96,427 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 Number91619855
MLS Number14064406
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
Franklin, 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

$30,250 USD
Used 2021 GMC G33903 box truck for sale, 86,072 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 177" wheelbase, yellow with roll-up door....
ConditionUsed
Usage86,072 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 Number91619643
MLS Number14064403
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/15/2026
Location
Memphis, TN, 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

$29,750 USD
Used 2021 GMC G33903 Box Truck for sale, 94,362 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle 8600 lbs, 33-gallon fuel capacity, roll-up door. Check it out!
ConditionUsed
Usage94,362 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 Number91619642
MLS Number14064402
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/15/2026
Location
Wichita, KS, 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

$28,500 USD
Used 2021 GMC G33903 Box Truck for sale, 92,732 miles, 401 HP 6.6LV8 engine, 6-speed automatic transmission, single rear axle 8600 lbs, 177" wheelbase, 33-gallon fuel tank. Check it out!
ConditionUsed
Usage92,732 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 Number91619641
MLS Number13486706
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Sacramento, 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

$30,250 USD
Used 2021 GMC G33903 Box Truck for sale, 88,727 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, spring suspension, roll-up door. Check it...
ConditionUsed
Usage88,727 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 Number91619081
MLS Number13321445
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/15/2026
Location
Fort Worth, 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

$28,250 USD
Used 2021 GMC G33903 Box Truck for sale, 95,090 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, spring suspension, 33-gallon fuel capacity....
ConditionUsed
Usage95,090 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 Number91619063
MLS Number13286318
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
San Diego, 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

$29,000 USD
Used 2021 GMC G33903 box truck for sale, 96,972 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, roll-up door, yellow...
ConditionUsed
Usage96,972 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 Number91618975
MLS Number14064400
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/2/2026
Location
Fort Worth, 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

$28,250 USD
Used 2021 GMC G33903 Box Truck for sale, 93,599 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 177" wheelbase, 8,600 lbs single rear axle, spring suspension. Check it...
ConditionUsed
Usage93,599 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 Number91618922
MLS Number14064398
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/31/2025
Location
Portland, OR, 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

$29,750 USD
Used 2021 GMC G33903 box truck for sale, 93,398 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, roll-up door, light duty GVWR, 33-gallon...
ConditionUsed
Usage93,399 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 Number91618241
MLS Number14064397
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
White Deer, 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

$27,250 USD
Used 2021 GMC G33903 box truck for sale, 97,762 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, 177-inch wheelbase, roll-up door. Check it...
ConditionUsed
Usage97,762 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 Number91618203
MLS Number13367258
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/18/2026
Location
Bakersfield, CA, US
Sold By
Penske Used Trucks
Isuzu NPR EFI Box Truck - 297HP, 6 Speed Automatic, Roll up Door

2020 Isuzu NPR EFI Box Truck - 297HP, 6 Speed Automatic, Roll up Door

$42,500 USD
Used 2020 Isuzu NPR EFI Box Truck for sale, 29,869 miles, 297HP 6.0LV8 GMC gasoline engine, 6-speed automatic GMC transmission, single rear axle with spring suspension, 144\" height, roll-up...
ConditionUsed
Usage74,194 Miles
Duty ClassLight Duty Box Truck
Horse Power297 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number373116
MLS Number14014973
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/31/2025
Location
Jessup, MD, US
Sold By
Penske Used Trucks
Isuzu NPR EFI Box Truck - 297HP, 6 Speed Automatic, Roll up Door

2019 Isuzu NPR EFI Box Truck - 297HP, 6 Speed Automatic, Roll up Door

$36,250 USD
Used 2019 Isuzu NPR EFI Box Truck for sale, 99,626 miles, 297 HP GMC 6.0L V8 gasoline engine, 6-speed automatic transmission (GMC 6L90E), single rear axle, spring suspension. Check it out...
ConditionUsed
Usage99,626 Miles
Duty ClassLight Duty Box Truck
Horse Power297 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number263935
MLS Number14064264
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Torrance, CA, 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

$31,250 USD
Used 2022 GMC G33903 Box Truck for sale, 85,706 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 177" wheelbase, roll-up door, gasoline fuel....
ConditionUsed
Usage85,706 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 Number91624578
MLS Number14062747
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/31/2025
Location
Loveland, CO, 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

$28,000 USD
Used 2022 GMC G33903 box truck for sale, 110,764 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle, 8,600 lbs axle rating, roll-up door, 177" wheelbase. Check it...
ConditionUsed
Usage110,764 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 Number91624129
MLS Number14062746
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/4/2026
Location
El Paso, TX, US
Sold By
Penske Used Trucks
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