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 (356)
Cars (3)
Make
GMC (359)
Model
Select a category to view available models.
Condition
Used (359)
Model Year
-
GVWR Category
Rear Axle
Single (357)
Transmission Type
Transmission Speed
6 Speed (359)
Drive Train
Suspension Type
Spring (355)
Cab Style
Regular Cab (1)
Fuel Type
Gasoline (356)
Mileage
-
Horsepower
-
Price
-
Country
United States (359)
State / Region
Select a state below and click Refine Results.








































Market Type
For Sale (359)

Showing 251 - 275 of 359 Listings

251 - 275 of 359 listings
251 - 275 of 359 listings
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, 91,547 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, 126-inch height, roll-up door. Check it out!
ConditionUsed
Usage91,547 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 Number91618514
MLS Number13380632
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Austin, 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

$28,750 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
Usage91,016 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 Updated1/7/2026
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

$28,750 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 Updated1/8/2026
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

$28,000 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 Updated1/7/2026
Location
Bakersfield, 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, 103,074 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, roll-up door, yellow. Check it out today.
ConditionUsed
Usage105,007 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 Number91618137
MLS Number14053324
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/2/2026
Location
Lubbock, TX, 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

Price Drop $38,500 USD
Used 2022 GMC G33903 Box Truck for sale, 41,070 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
Usage42,948 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 Number252208
MLS Number13527668
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/8/2026
Location
King Of Prussia, PA, 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
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

$32,250 USD
Used 2021 GMC G33903 Box Truck, Light Duty, 401HP 6.6L V8 gas engine, 6 Speed Automatic transmission, 86,00 lbs single rear axle, 177-inch wheelbase, roll-up door, 33-gallon fuel capacity....
ConditionUsed
Usage97,544 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 Number91620612
MLS Number14062570
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/7/2026
Location
Lincoln, 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

$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
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, 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

$26,000 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 Updated1/7/2026
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
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, 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 Updated1/7/2026
Location
Des Moines, IA, 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
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 $26,000 USD
Used 2021 GMC G33903 Box Truck for sale, 122,630 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 177" wheelbase, roll-up door. Book a...
ConditionUsed
Usage122,671 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 Number91621465
MLS Number14061365
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/31/2025
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

$31,000 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 Updated12/28/2025
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

$29,750 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 Updated1/8/2026
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

$25,250 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 Updated1/8/2026
Location
Braintree, MA, US
Sold By
Penske Used Trucks
Did you find what you were looking for? Yes No