6 Speed Trucks with GMC Engines For Sale

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Showing 851 - 875 of 982 Truck Listings

851 - 875 of 982 listings
851 - 875 of 982 listings
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

$40,250 USD
Used 2021 Isuzu NPR EFI box truck, 350HP GMC 6.6L V8 gas engine, 6-speed automatic GMC transmission, single rear axle with spring suspension, 96,382 miles. Check it out!
ConditionUsed
Usage96,382 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 Number487903
MLS Number13728258
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
West Valley City, UT, 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, 90,582 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle, 8,600 lbs axle capacity, 177" wheelbase. Check it...
ConditionUsed
Usage90,582 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 Number91621304
MLS Number14062572
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/28/2025
Location
West 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

$32,750 USD
Used 2021 GMC G33903 Box Truck for sale, 85,947 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 177" wheelbase, 8,600 lbs single rear axle. Check it out today.
ConditionUsed
Usage85,947 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 Number91620916
MLS Number14062571
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/28/2025
Location
West 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

$32,000 USD
Used 2021 GMC G33903 Box Truck for sale, 88,341 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177" wheelbase, roll-up door. Check it out!
ConditionUsed
Usage88,341 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 Number91620103
MLS Number13524044
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Fontana, CA, US
Sold By
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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, 88,083 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 33-gallon fuel capacity, roll-up door, yellow color....
ConditionUsed
Usage88,100 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 Number91619707
MLS Number14062568
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/2/2026
Location
Omaha, NE, 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, 101,471 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
Usage101,471 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 Number91619609
MLS Number14062567
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/31/2025
Location
Denver, CO, 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, 104,797 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, roll-up door, 33-gallon fuel capacity....
ConditionUsed
Usage104,798 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 Number91618948
MLS Number13464178
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/15/2026
Location
San Antonio, 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

$29,500 USD
Used 2021 GMC G33903 Box Truck for sale, 85,792 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
Usage85,792 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 Number91618870
MLS Number14062565
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/28/2025
Location
Boise, ID, 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

$29,250 USD
Used 2021 GMC G33903 Box Truck for sale, 86,625 miles, 401HP 6.6L V8 engine, 6-speed automatic transmission, 8,600 lbs rear axle, 33-gallon fuel capacity, yellow with roll-up door. Check it...
ConditionUsed
Usage86,625 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 Number91618711
MLS Number13533990
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
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

$27,750 USD
Used 2021 GMC G33903 Box Truck for sale, 98,958 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, yellow with roll-up door, light duty. See it...
ConditionUsed
Usage98,958 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 Number91618132
MLS Number13042834
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Pasco, WA, 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

$31,000 USD
Used 2019 Isuzu NPR EFI box truck for sale, 297 HP GMC GMPTV8 gasoline engine, 6-speed automatic transmission 6L90E, single rear spring suspension, 30-gallon fuel capacity, 150" wheelbase,...
ConditionUsed
Usage160,448 Miles
Duty ClassLight Duty Box Truck
Horse Power297 HP
Engine ModelGMC GMPTV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number355690
MLS Number14062510
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/18/2026
Location
Medley, FL, 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

$36,000 USD
Used 2019 Isuzu NPR EFI Box Truck for sale, 98,270 miles, 297 HP GMPTV8 engine by GMC, 6-speed automatic 6L90E transmission, single rear axle, 30-gallon fuel capacity, roll-up door, white...
ConditionUsed
Usage98,270 Miles
Duty ClassLight Duty Box Truck
Horse Power297 HP
Engine ModelGMC GMPTV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number307501
MLS Number14062501
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/28/2025
Location
Dallas, TX, 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

Price Drop $36,000 USD
Used 2021 Isuzu NPR EFI Box Truck for sale, 113,234 miles, 350 HP 6.6L V8 GMC engine, 6-speed automatic transmission, single rear axle, 126-inch height, roll-up door. Check it out.
ConditionUsed
Usage117,030 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 Number487643
MLS Number13854127
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/18/2026
Location
Ocala, 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

$30,750 USD
Used 2021 GMC G33903 Box Truck for sale, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 33-gallon fuel capacity, 177" wheelbase, white with...
ConditionUsed
Usage104,979 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 Number91621299
MLS Number14024875
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/9/2026
Location
Des Moines, IA, US
Sold By
Penske Used Trucks
Isuzu NPR EFI 16 ft Box Truck - 297HP, 6 Speed Automatic, Roll up Door

2018 Isuzu NPR EFI 16 ft Box Truck - 297HP, 6 Speed Automatic, Roll up Door

$26,000 USD
Used 2018 Isuzu NPR EFI 16 ft Box Truck, 297 HP GMC engine, 6-speed automatic transmission, gasoline fuel, single rear axle, spring suspension, 30-gal fuel capacity, roll-up door. Check it...
ConditionUsed
Usage158,128 Miles
Duty ClassLight Duty Box Truck
Horse Power297 HP
Engine ModelGMC GMPTV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number326247
MLS Number13315809
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/15/2026
Location
Millville, NJ, 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

$31,500 USD
Used 2022 GMC G33903 Box Truck for sale, 110,185 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle rated 8,600 lbs, roll-up door, 33-gallon fuel...
ConditionUsed
Usage111,062 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 Number91626432
MLS Number14016180
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/26/2025
Location
Albuquerque, NM, 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

$42,750 USD
Used 2021 Isuzu NPR EFI Box Truck for sale, 90,270 miles, 350 HP 6.6L V8 GMC gasoline engine, 6-speed automatic GMC transmission, 150" wheelbase, single rear axle, roll up door. Check it out...
ConditionUsed
Usage90,270 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 Number487662
MLS Number13455313
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/17/2026
Location
Grand Junction, CO, 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, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 86,000 lbs rear axle, 33-gallon fuel capacity, white with roll-up door. Check it out.
ConditionUsed
Usage98,085 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 Number91621260
MLS Number14061364
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

$29,500 USD
Used 2021 GMC G33903 Box Truck for sale, 90,664 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, 177" wheelbase, roll-up door, 33-gallon fuel...
ConditionUsed
Usage90,665 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 Number91621018
MLS Number14061363
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/8/2026
Location
South Plainfield, NJ, 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

$29,500 USD
Used 2021 GMC G33903 box truck for sale, 91,002 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, roll-up door, 33-gallon fuel capacity. See...
ConditionUsed
Usage91,002 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 Number91619758
MLS Number14061360
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
North Bergen, NJ, 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 with 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 126" height, 177" wheelbase, roll-up door, 33-gallon fuel...
ConditionUsed
Usage116,858 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 Number91619651
MLS Number13809843
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
Braintree, 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

$29,250 USD
Used 2021 GMC G33903 Box Truck for sale, 92,340 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle with 8,600 lbs rating, 126-inch height, roll-up door....
ConditionUsed
Usage92,340 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 Number91619294
MLS Number13797005
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
North Bergen, NJ, US
Sold By
Penske Used Trucks
Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door

2023 Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door

$38,000 USD
Used 2023 Isuzu NPR EFI box truck for sale, 350HP GMC 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle, spring suspension, 150-inch wheelbase, roll-up door. Check it...
ConditionUsed
Usage151,585 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 Number504931
MLS Number14058875
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/4/2026
Location
Knoxville, TN, 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

$32,000 USD
Used 2022 GMC G33903 Box Truck for sale, 101,156 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, white with roll-up...
ConditionUsed
Usage101,519 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 Number91627002
MLS Number14016189
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/9/2026
Location
Brooklyn Park, MN, 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

$32,000 USD
Used 2021 GMC G33903 Box Truck for sale, 94,081 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, white with roll-up door....
ConditionUsed
Usage94,081 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 Number91621047
MLS Number14058855
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/24/2025
Location
Sacramento, CA, US
Sold By
Penske Used Trucks
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