6 Speed Trucks with GMC Engines For Sale

Your Current Search
Industry
Trucks
Transmission Speeds
6 Speed
Engine Manufacturer
GMC
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (982)
Cars (4)
Model
Select a manufacturer to view available models.
Condition
Model Year
-
Rear Axle
Transmission Type
Transmission Speed
6 Speed (986)
Drive Train
Engine Manufacturer
GMC (986)
Suspension Type
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
Market Type
301-325 of 986 results
301-325 of 986 results
Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door
25 0

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

Recently Updated
$37,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage112,011 Miles
Duty ClassLight Duty Box Truck
Horse Power350 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number487972
MLS Number12999812
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2025
Location
Windsor, WI, US
Sold By

Penske Used Trucks

Isuzu NPR EFI Box Truck - 350HP, 6 Speed Automatic, Roll up Door
26 0

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

Recently Updated
$45,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage96,954 Miles
Duty ClassLight Duty Box Truck
Horse Power350 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number487341
MLS Number13333929
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/30/2025
Location
Mebane, NC, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$43,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage28,827 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91621518
MLS Number13364497
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/26/2025
Location
Austin, TX, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$41,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage71,759 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91621407
MLS Number13312155
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/25/2025
Location
Torrance, CA, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$34,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage110,198 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91621222
MLS Number13271133
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2025
Location
Clackamas, OR, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$40,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage62,480 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91621062
MLS Number13119198
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/30/2025
Location
East Chicago, IN, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
30 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$39,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage93,203 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620824
MLS Number13364496
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/25/2025
Location
Farmington, NM, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
23 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$34,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage116,021 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620692
MLS Number12788849
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/28/2025
Location
Fort Myers, FL, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
29 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$36,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage77,724 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620619
MLS Number12651479
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2025
Location
New Castle, DE, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$36,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage90,234 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620400
MLS Number13189426
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2025
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$39,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage58,730 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620358
MLS Number13364495
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/28/2025
Location
Kentwood, MI, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
22 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$38,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage72,240 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620229
MLS Number13329114
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2025
Location
Oklahoma City, OK, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
24 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop
$41,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage73,546 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620211
MLS Number13275424
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/28/2025
Location
Fresno, CA, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$34,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage101,428 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619877
MLS Number13364493
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/25/2025
Location
Little Rock, AR, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$33,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage63,961 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619602
MLS Number13231502
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2025
Location
Parsippany, NJ, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$37,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage62,135 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619168
MLS Number12686208
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/28/2025
Location
Bakersfield, CA, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
24 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$32,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage81,254 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618440
MLS Number12058509
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/30/2025
Location
Selma, TX, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
30 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$33,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage90,692 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618350
MLS Number12624838
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/28/2025
Location
Fontana, CA, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
26 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$34,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage92,200 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618242
MLS Number12617493
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/28/2025
Location
Torrance, CA, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
25 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$29,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage100,077 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618238
MLS Number13316284
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2025
Location
New Castle, DE, US
Sold By

Penske Used Trucks

GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door
30 0

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$34,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage87,968 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618141
MLS Number12648854
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/26/2025
Location
Fontana, CA, US
Sold By

Penske Used Trucks

2018 Isuzu NPR HD Crew Cab Landscape Truck - Landscape Body
10 0

2018 Isuzu NPR HD Crew Cab Landscape Truck - Landscape Body

Recently Updated
$62,500 USD
**CREW CAB** GASOLINE ENGINE AND ONLY 64K MILES! THIS 2018 ISUZU NPR CREW CAB IS CLEANED, INSPECTED, AND READY TO WORK. TRUCK INCLUDES THE 6.0L GASOLINE ENGINE, AUTOMATIC TRANSMISSION, WITH...
ConditionUsed
Usage64,142 Miles
Duty ClassMedium Duty Landscape Truck
Upfit TypeLandscape Body
Horse Power350 HP
Engine ModelGMC
Drivetrain4x2
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 4.10 ratio
Stock NumberJS805192U-RICHMOND
MLS Number13270991
CategoryLandscape Trucks
Last Updated1/25/2025
Location
Richmond, VA, US
Sold By

Truck Enterprises Inc.

Isuzu NPR EFI Box Truck - 297HP, 6 Speed Automatic, Roll up Door
26 0

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

Recently Updated
$44,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage91,588 Miles
Duty ClassLight Duty Box Truck
Horse Power297 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number378400
MLS Number13314603
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/30/2025
Location
Mount Juliet, TN, US
Sold By

Penske Used Trucks

Isuzu NPR EFI Box Truck - 297HP, 6 Speed Automatic, Roll up Door
30 0

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

Recently Updated
$44,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage87,876 Miles
Duty ClassLight Duty Box Truck
Horse Power297 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number378393
MLS Number13333698
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2025
Location
Madison, AL, US
Sold By

Penske Used Trucks

Isuzu NPR EFI Box Truck - 297HP, 6 Speed Automatic, Roll up Door
28 0

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

Recently Updated
$38,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage102,591 Miles
Duty ClassLight Duty Box Truck
Horse Power297 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End11,020 lb 5.37 ratio
Door TypeRoll up
Stock Number378345
MLS Number13132907
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/28/2025
Location
East Chicago, IN, US
Sold By

Penske Used Trucks

Did you find what you were looking for? Yes No