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

Your Current Search
Industry
Trucks
Manufacturer
GMC
Transmission Speeds
6 Speed
Ratio
3.50 - 0.00
Condition
Used
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (657)
Make
GMC (657)
Model
Select a category to view all available models.
Condition
Used (657)
Model Year
-
GVWR Category
Light Duty (657)
Transmission Type
Transmission Speed
6 Speed (657)
Drive Train
4x2 (1)
Suspension Type
Spring (657)
Cab Style
Regular Cab (1)
Fuel Type
Gasoline (657)
Mileage
-
Horsepower
-
Price
-
Country
United States (657)
State / Region
Select a state below and click Refine Results.








































Market Type
For Sale (657)

Showing 276 - 300 of 657 Listings

276 - 300 of 657 listings
276 - 300 of 657 listings
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, 94,092 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, single rear axle 8,600 lbs, roll-up door, 33-gallon fuel capacity. Check it...
ConditionUsed
Usage94,387 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 Number91619174
MLS Number14085928
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/10/2026
Location
Belcamp, MD, 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

$31,750 USD
Used 2022 GMC G33903 Box Truck for sale, 90,935 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle, 8,600 lbs capacity, 177" wheelbase. Check it out!
ConditionUsed
Usage90,935 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 Number91625227
MLS Number14248625
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/1/2026
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, 102,337 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, roll-up door, 33-gallon fuel capacity....
ConditionUsed
Usage102,338 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 Number91623723
MLS Number14127632
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/11/2026
Location
New Bedford, 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

$28,250 USD
Used 2021 GMC G33903 Box Truck for sale, 118,009 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 33-gallon gas tank, roll-up door. Check it out.
ConditionUsed
Usage118,015 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 Number91621082
MLS Number14116715
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/12/2026
Location
Greensboro, 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

$25,000 USD
Used 2021 GMC G33903 Box Truck for sale, 118,897 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb rear axle, single rear axle, 33-gallon fuel capacity, roll-up...
ConditionUsed
Usage118,898 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 Number91620551
MLS Number14101958
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/4/2026
Location
Greenville, SC, 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

$30,750 USD
Used 2022 GMC G33903 Box Truck for sale, 97,590 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, spring suspension, 177-inch wheelbase. Come...
ConditionUsed
Usage97,890 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 Number91625379
MLS Number13452828
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated3/19/2026
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

$26,500 USD
Used 2021 GMC G33903 Box Truck for sale, 104,956 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb single rear axle, white with roll-up door, 33-gallon fuel...
ConditionUsed
Usage104,956 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 Number91623845
MLS Number14244638
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated3/20/2026
Location
Pensacola, 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

$27,500 USD
Used 2021 GMC G33903 Box Truck for sale, 117,062 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, spring suspension, roll-up door. Check it...
ConditionUsed
Usage117,063 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 Number91623726
MLS Number14100073
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/8/2026
Location
Kansas City, MO, 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 $24,250 USD
Used 2021 GMC G33903 Box Truck for sale, 120,237 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 33-gallon fuel capacity, white with...
ConditionUsed
Usage120,238 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 Number91620458
MLS Number14240426
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/9/2026
Location
Memphis, 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

$32,500 USD
Used 2022 GMC G33903 Box Truck with 401HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle, 8600 lbs capacity, 177" wheelbase, and roll-up door. Yellow color, 66,761 miles....
ConditionUsed
Usage66,761 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 Number91625067
MLS Number14236705
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/12/2026
Location
Wabash, IN, 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

$31,750 USD
Used 2022 GMC G33903 Box Truck for sale, 91,422 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, roll-up door, 33-gallon fuel capacity....
ConditionUsed
Usage91,422 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 Number91624390
MLS Number14236698
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/1/2026
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

Price Drop $28,000 USD
Used 2021 GMC G33903 Box Truck for sale, 110,366 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, roll-up door, white color....
ConditionUsed
Usage110,588 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 Number91623918
MLS Number14072493
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/1/2026
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

$25,500 USD
Used 2021 GMC G33903 Box Truck, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 107,310 miles, 8600 lb single rear axle, 177" wheelbase, roll-up door, white color, light duty....
ConditionUsed
Usage107,760 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 Number91620033
MLS Number14072287
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/2/2026
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

$26,500 USD
Used 2021 GMC G33903 Box Truck for sale, 109,030 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, single rear axle 8600 lbs, 33-gallon fuel capacity, white with roll-up door...
ConditionUsed
Usage109,033 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 Number91620021
MLS Number14107275
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/2/2026
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

$27,250 USD
Used 2021 GMC G33903 Box Truck for sale, 110,702 miles, 401HP 6.6L V8 GMC gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, roll-up door. Check...
ConditionUsed
Usage110,704 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 Number91619774
MLS Number14072281
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/11/2026
Location
Baltimore, 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

$23,750 USD
Used 2021 GMC G33903 Box Truck for sale, 109,107 miles, 401HP 6.6LV8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, roll-up door, 33-gallon fuel capacity. See it...
ConditionUsed
Usage109,208 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 Number91618578
MLS Number14077655
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/2/2026
Location
El Paso, 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

$28,000 USD
Used 2022 GMC G33903 Box Truck for sale, 103,717 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
Usage103,727 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 Number91625009
MLS Number14102232
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated3/25/2026
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

$28,500 USD
Used 2021 GMC G33903 Box Truck for sale, 110,928 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, roll-up door. See it...
ConditionUsed
Usage111,130 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 Number91623792
MLS Number14100079
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated3/18/2026
Location
West Sacramento, CA, US
Sold By
Penske Used Trucks
GMC Sierra Tandem Axle Flatbed Truck - 301HP, 6 Speed Automatic

2020 GMC Sierra Tandem Axle Flatbed Truck - 301HP, 6 Speed Automatic

$46,000 USD
Used 2020 GMC Sierra Flatbed Truck for sale, 301 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, tandem rear axle, 177" wheelbase, 103-gallon fuel capacity, white color. Check it...
ConditionUsed
Usage107,871 Miles
Duty ClassLight Duty Flatbed Truck
Horse Power301 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleTandem Axle
Rear End10,400 lb 3.73 ratio
Stock Number403728
MLS Number14092228
CategoryFlatbed Trucks
Last Updated4/2/2026
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

$32,500 USD
Used 2021 GMC G33903 Box Truck for sale, 82,650 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb single rear axle, spring suspension, 33-gallon fuel capacity....
ConditionUsed
Usage82,689 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 Number91621301
MLS Number14149385
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated3/21/2026
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

$27,750 USD
Used 2021 GMC G33903 Box Truck for sale, 104,012 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 33-gallon fuel capacity. See it now.
ConditionUsed
Usage104,277 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 Number91621205
MLS Number14111171
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/4/2026
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

$27,750 USD
Used 2021 GMC G33903 Box Truck for sale, 105,079 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, roll-up door....
ConditionUsed
Usage105,088 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 Number91620055
MLS Number14116584
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/12/2026
Location
Pensacola, 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

$32,250 USD
Used 2021 GMC G33903 Box Truck for sale, 80,950 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, 33-gallon fuel capacity....
ConditionUsed
Usage80,950 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 Number91619960
MLS Number12356818
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated3/19/2026
Location
Indianapolis, IN, 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 $27,000 USD
Used 2021 GMC G33903 Box Truck for sale, 89,269 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, 33-gallon fuel capacity, yellow...
ConditionUsed
Usage89,270 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 Number91619396
MLS Number14085930
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/4/2026
Location
Akron, 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

$25,750 USD
Used 2021 GMC G33903 Box Truck with 401HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle, spring suspension, 33-gallon fuel capacity, and roll-up door. Check it out today.
ConditionUsed
Usage117,838 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 Number91618991
MLS Number13865285
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated4/11/2026
Location
Jessup, MD, US
Sold By
Penske Used Trucks
Did you find what you were looking for? Yes No