GMC 6 Speed Trucks For Sale

Your Current Search
Industry
Trucks
Manufacturer
GMC
Transmission Speeds
6 Speed
Market Type
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (815)
Cars (3)
Make
GMC (818)
Model
Select a category to view available models.
Condition
Used (818)
Model Year
-
GVWR Category
Transmission Type
Transmission Speed
6 Speed (818)
Drive Train
Suspension Type
Spring (810)
Cab Style
Regular Cab (11)
Fuel Type
Mileage
-
Horsepower
-
Price
-
Country
United States (818)
State / Region
Select a state below and click Refine Results.











































Market Type

Showing 776 - 800 of 818 Listings

776 - 800 of 818 listings
776 - 800 of 818 listings
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, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177" wheelbase, 33-gallon fuel tank, roll-up door. Check...
ConditionUsed
Usage114,879 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 Number91621447
MLS Number13865292
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

$29,000 USD
Used 2021 GMC G33903 Box Truck for sale, 107,671 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb single rear axle, 177-inch wheelbase, 33-gallon fuel capacity,...
ConditionUsed
Usage107,671 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 Number91621386
MLS Number13811589
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
Londonderry, NH, 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, 112,346 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, roll-up door. Check it out.
ConditionUsed
Usage112,348 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 Number91621210
MLS Number13865291
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/4/2026
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

$28,750 USD
Used 2021 GMC G33903 Box Truck for sale, 116,732 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, spring suspension, white color,...
ConditionUsed
Usage116,749 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 Number91621151
MLS Number13824750
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/15/2026
Location
Burlington, 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, 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
Usage114,856 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 Updated1/7/2026
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

$29,000 USD
Used 2021 GMC G33903 Box Truck for sale, 113,080 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, roll-up door. See it now.
ConditionUsed
Usage113,081 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 Number91620991
MLS Number13857382
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/14/2026
Location
Warren, MI, 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, 118,892 miles, 401 HP 6.6L V8 GMC gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, spring suspension, roll-up door. Check...
ConditionUsed
Usage119,095 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 Number91620804
MLS Number13824743
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
Panama City, 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

$28,500 USD
Used 2021 GMC G33903 Box Truck, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 106,542 miles, 177-inch wheelbase, single rear axle 8,600 lbs, roll-up door, white. Check it...
ConditionUsed
Usage106,542 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 Number91620686
MLS Number13620022
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/20/2026
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

$29,500 USD
Used 2021 GMC G33903 Box Truck for sale, 115,630 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, roll-up door, 177-inch wheelbase. Check it...
ConditionUsed
Usage115,630 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 Number91620324
MLS Number13843381
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
Oklahoma City, OK, 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, 114,762 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle, 8,600 lbs axle rating, roll-up door. Check it out.
ConditionUsed
Usage114,992 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 Number91620161
MLS Number13905611
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated12/25/2025
Location
Jamaica, 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

$26,000 USD
Used 2021 GMC G33903 Box Truck for sale, 132,732 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, 33-gallon fuel capacity...
ConditionUsed
Usage132,732 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 Number91619848
MLS Number13899672
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/15/2026
Location
Pennsauken, 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

$26,750 USD
Used 2021 GMC G33903 Box Truck for sale, 106,496 miles, 401 HP 6.6LV8 GMC engine, 6-speed automatic transmission, single rear axle 8600 lbs, spring suspension. Check it out today.
ConditionUsed
Usage106,496 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 Number91619456
MLS Number13529013
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/20/2026
Location
Medley, 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

$28,750 USD
Used 2021 GMC G33903 Box Truck for sale, 106,632 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, roll-up door, 177-inch...
ConditionUsed
Usage106,635 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 Number91619387
MLS Number13586921
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
Philadelphia, 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

$26,250 USD
Used 2021 GMC G33903 Box Truck for sale, 106,769 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, roll up door. Check it out...
ConditionUsed
Usage106,769 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 Number91619036
MLS Number13688251
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/14/2026
Location
Wilsonville, 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

$30,250 USD
Used 2021 GMC G33903 Box Truck for sale, 92,998 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 177" wheelbase, 8,600 lbs single rear axle, roll-up door. Check it out.
ConditionUsed
Usage93,111 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 Number91618939
MLS Number13881410
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

$25,750 USD
Used 2021 GMC G33903 Box Truck for sale, 115,110 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, spring suspension, roll-up door,...
ConditionUsed
Usage115,110 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 Number91618844
MLS Number13824721
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

$26,250 USD
Used 2021 GMC G33903 Box Truck for sale, 111,593 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, gasoline fuel. Come see us.
ConditionUsed
Usage111,593 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 Number91618747
MLS Number13865284
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/20/2026
Location
Pompano Beach, 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

$24,500 USD
Used 2021 GMC G33903 Box Truck for sale, 105,380 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 33-gallon fuel capacity. See it now.
ConditionUsed
Usage105,380 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 Number91618422
MLS Number13649583
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/17/2026
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

$28,500 USD
Used 2021 GMC G33903 Box Truck for sale, 109,629 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lb single rear axle, 177 in wheelbase, roll-up door. See it now.
ConditionUsed
Usage109,629 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 Number91618074
MLS Number13576884
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/16/2026
Location
West Babylon, NY, 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

$28,250 USD
Used 2020 GMC G33903 Box Truck for sale, 114,588 miles, 341HP 6.0L V8 gasoline engine, 6-speed automatic transmission, single rear axle, spring suspension, roll up door. See it now!
ConditionUsed
Usage114,588 Miles
Duty ClassLight Duty Box Truck
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End9,600 lb 4.10 ratio
Door TypeRoll up
Stock Number372439
MLS Number14014373
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/15/2026
Location
Des Moines, IA, US
Sold By
Penske Used Trucks
GMC G33705 Cargo Van - 6.0LV8, 341HP, 6 Speed Automatic

2019 GMC G33705 Cargo Van - 6.0LV8, 341HP, 6 Speed Automatic

$32,500 USD
Used 2019 GMC G33705 Cargo Van with 56,578 miles, 341 HP 6.0L V8 gasoline engine, 6-speed automatic transmission, single rear axle, 4,300 lb front axle, 6,084 lb rear axle. Check it out!
ConditionUsed
Usage56,578 Miles
Duty ClassLight Duty Cargo Van
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End6,084 lb 3.42 ratio
Stock Number285321
MLS Number14013668
CategoryCargo Vans
Last Updated1/17/2026
Location
Tukwila, WA, US
Sold By
Penske Used Trucks
GMC Sierra

2019 GMC Sierra

$41,300 USD
Used 2019 GMC Sierra Pickup Truck, 15,227 miles, 6.0L V8 gasoline engine with 360 HP, 6-speed automatic GMC transmission, single rear axle, spring suspension, white, light duty. Check it out...
ConditionUsed
Usage15,227 Miles
Duty ClassLight Duty Truck
Horse Power360 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End6,200 lb 3.73 ratio
Stock Number257126
MLS Number13879219
CategoryPickup Trucks
Last Updated12/4/2025
Location
Elmira, NY, US
Sold By
Penske Used Trucks
GMC TopKick C7500 Single Axle Forestry Bucket Truck - 8.1, 340HP, 6 Speed Manual

2009 GMC TopKick C7500 Single Axle Forestry Bucket Truck - 8.1, 340HP, 6 Speed Manual

$56,900 USD
2009 GMC C7500 --- Single Axle, 8.1 GM 340 HP, Manual 6 Speed, 11,350 Front Axle, 19,000 Rear Axle, 206" Wheelbase, 17' 2" Bridge, Spring, Pintle Hitch with Electric Brakes, 11' Altec Dump...
ConditionUsed
Usage134,216 Miles
Duty ClassMedium Duty Forestry Bucket Truck
Horse Power340 HP
Engine ModelGMC VORTEC 8100
Drivetrain4x2
Transmission6 Speed Manual
SuspensionSpring
Rear AxleSingle Axle
Rear End19,000 lb
OutriggersYes
Stock Number407679
MLS Number10788596
CategoryForestry Bucket Trucks
Last Updated11/22/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
GMC 7500 Chipper Truck - 8.1, 340HP, 6 Speed Manual

2008 GMC 7500 Chipper Truck - 8.1, 340HP, 6 Speed Manual

$46,900 USD
11' Altec Steel Dump Body, With 60" Sides, And A Barn Gate, Hydraulic Out Riggers, Kabota Pony Motor, Altec LRV60-E70 Boom, Multiple Tool Boxes, Strobe, Elevator Boom, 75' Work Hight,
ConditionUsed
Usage112,199 Miles
Duty ClassHeavy Duty Chipper Truck
Horse Power340 HP
Engine ModelGMC VORTEC 8100
Transmission6 Speed Manual
SuspensionSpring
Rear AxleSingle Axle
Rear End21,000 lb
Stock Number413347
MLS Number10561501
CategoryChipper Trucks
Last Updated10/9/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Did you find what you were looking for? Yes No