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2006 GMC Sierra 3500 Overview, Reviews, Ratings & Specs

Rating: 3.60
Based on 12 Owner Reviews â–¶
Jovan | March 31, 2025
The 2006 GMC Sierra 3500 is a heavy-duty pickup truck designed for serious work. Part of the second-generation Sierra (1999-2007), it's available in regular, extended, and crew cab configurations with various bed lengths. Key trims include the base, SLE, and SLT. New, prices ranged roughly from $28,000 to $40,000. It stands out for its robust Duramax diesel engine option and impressive towing capabilities, making it a popular choice for contractors and those needing to haul heavy loads.
The Good

The 2006 GMC Sierra 3500 offers strong performance, especially with the diesel engine, appealing to practical buyers. Its rugged design and available four-wheel drive provide a sense of capability. While not the most luxurious, the SLT trim offers decent comfort. Used, it represents a good value for those needing a powerful work truck.

The Bad

Known weaknesses of the 2006 GMC Sierra 3500 include potential issues with the Duramax diesel's injectors and glow plugs. Rust can be a problem, especially in areas with road salt. The interior can feel dated compared to newer trucks. Transmission issues are also a possible concern, especially in heavily used trucks.

2006 GMC Sierra 3500: Quick Overview

  • Engine Options:
    • 6.0L Vortec V8: Produces around 300 horsepower.
    • 8.1L Vortec V8: Produces around 330 horsepower.
    • 6.6L Duramax Turbo Diesel V8: Produces around 360 horsepower and 650 lb-ft of torque.
  • Horsepower: Ranging from 300 to 360 hp depending on the engine.
  • Fuel Economy: Fuel economy is not a strong point. Expect around 12-15 mpg combined with the gasoline engines and 14-18 mpg with the diesel, depending on load and driving conditions.
  • 0-60 Times: Not a primary focus for this truck. Expect 0-60 times in the 8-10 second range for gasoline engines and slightly slower for the diesel when towing.
  • Towing Capacity: Towing capacity is a major strength, ranging from 12,000 to 16,000 lbs depending on configuration, engine, and axle ratio.
  • Trim-Level Features:
    • Base: Vinyl seating, basic AM/FM radio, manual windows/locks.
    • SLE: Cloth seating, upgraded audio system, power windows/locks, chrome exterior trim.
    • SLT: Leather seating, premium audio system, dual-zone climate control, alloy wheels.

2006 GMC Sierra 3500 Specifications

Vehicle Information
Year 2006
Make GMC
Model Sierra 3500
Trim -
Style Regular Cab 2WD 6-Speed Automatic
Type Pickup Truck
Category Medium Truck
Manufacturing Details
Made In United States
Manufacturing City PONTIAC
Dimensions
Doors 2-Door
Curb Weight -
Gross Vehicle Weight Rating 14000 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 6.0-L V-8 OHV 16V
Engine Size 6L
Engine Cylinders 8
Transmission 6-Speed Automatic
Transmission Type Automatic
Transmission Speeds 6-Speed
Drivetrain Rear-Wheel Drive
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

Vehicle History Report

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Analysis

What Problems Does the 2006 GMC Sierra 3500 Have?

Frequently reported problems for the 2006 GMC Sierra 3500 often revolve around the Duramax diesel engine. Injector failures, glow plug issues, and fuel system problems are relatively common, particularly in higher-mileage examples. Transmission issues, especially with the Allison transmission used with the diesel, can also occur if not properly maintained. Rust is a significant concern, especially in areas where road salt is used. Check the rocker panels, cab corners, and frame carefully. Some owners have reported issues with the transfer case in four-wheel-drive models. Recalls for the 2006 model year included issues with the fuel tank and brake system components, so ensure these recalls were addressed. Long-term reliability largely depends on maintenance. Neglected trucks can experience significant problems, while well-maintained examples can last for many years. Specific model year issues are not overwhelmingly different from other years within the same generation, but pre-purchase inspections are crucial to identify potential problems.

How long will the 2006 GMC Sierra 3500 last?

Given its age, a 2006 GMC Sierra 3500 could easily have between 150,000 and 300,000 miles, or even more, depending on usage. With diligent maintenance, these trucks can provide reliable service for well over 20 years. However, long-term durability is heavily influenced by maintenance. Key weaknesses that emerge over time include rust, particularly in areas with harsh winters, and wear and tear on the engine and transmission. Regular fluid changes, proper lubrication, and timely repairs are crucial to maximizing longevity. Neglecting these can lead to premature component failure and costly repairs.
Positive Owner Reviews
GloriaC
This truck is very comfortable with all the extras. It has Lots of leg room. Love the heated seats. Great visibility. Sleek design. Sharp looking truck.
GloriaC
This truck is very comfortable with all the extras. It has Lots of leg room. Love the heated seats. Great visibility. Sleek design. Sharp looking truck.
GloriaC
This truck is very comfortable with all the extras. It has Lots of leg room. Love the heated seats. Great visibility. Sleek design. Sharp looking truck.
Negative Owner Reviews
kjlookingfrotrucks
hi this dealership is the warst dealership I have see in a long time thay wood nut late me take the truck fro a test drive and before I lafe NY to go to NJ I gate lost I call and thay wis rude to me I ask fro deracs thay wood give me and wot post to take 1 30 mint drive take 3 30 hr drive on the phone thay say thay wood take my tray in and gay me on my tray is 12000 but thay say wane I gate thay 3000 on it and the dealership is asking wa to much ok thar a lot more I have to say abut this dealership but it is nunt good so thank you and have a nice day kj
kjlookingfrotrucks
hi this dealership is the warst dealership I have see in a long time thay wood nut late me take the truck fro a test drive and before I lafe NY to go to NJ I gate lost I call and thay wis rude to me I ask fro deracs thay wood give me and wot post to take 1 30 mint drive take 3 30 hr drive on the phone thay say thay wood take my tray in and gay me on my tray is 12000 but thay say wane I gate thay 3000 on it and the dealership is asking wa to much ok thar a lot more I have to say abut this dealership but it is nunt good so thank you and have a nice day kj
kjlookingfrotrucks
hi this dealership is the warst dealership I have see in a long time thay wood nut late me take the truck fro a test drive and before I lafe NY to go to NJ I gate lost I call and thay wis rude to me I ask fro deracs thay wood give me and wot post to take 1 30 mint drive take 3 30 hr drive on the phone thay say thay wood take my tray in and gay me on my tray is 12000 but thay say wane I gate thay 3000 on it and the dealership is asking wa to much ok thar a lot more I have to say abut this dealership but it is nunt good so thank you and have a nice day kj

What Technology & Safety Features are Included?

The 2006 GMC Sierra 3500's technology is relatively basic by modern standards. Standard features included an AM/FM radio, and higher trims offered a CD player. Navigation was not commonly available as a factory option. Driver-assistance features were limited to standard antilock brakes (ABS). Safety features included front airbags and seatbelts. Optional features could include OnStar, which provided emergency assistance and vehicle diagnostics. Crash-test ratings from the NHTSA (National Highway Traffic Safety Administration) for the 2006 GMC Sierra 3500 are generally decent for frontal impact, but side-impact testing was not as comprehensive. Keep in mind that safety technology has advanced significantly since 2006. Compared to newer trucks, the Sierra 3500 lacks modern amenities such as Bluetooth connectivity, rearview cameras, and advanced safety systems like lane departure warning or blind-spot monitoring. The focus was primarily on utility and durability rather than cutting-edge technology. The available four-wheel-drive system could be considered a driver-assistance feature for off-road or inclement weather conditions. The lack of sophisticated tech is typical for vehicles of this era.

What Colors Options are Available?

Exterior Colors
Summit White
Onyx Black
Dark Blue Metallic
Silver Birch Metallic
Sport Red Metallic
Dark Gray Metallic
Sand Beige Metallic
Arrival Blue Metallic
Dark Green Metallic
Light Pewter Metallic
Interior Colors
Medium Charcoal Gray
Neutral

2006 GMC Sierra 3500 Prices and Market Value

When new, the 2006 GMC Sierra 3500 ranged from approximately $28,000 to $40,000 depending on the cab configuration, engine, and trim level. Currently, used market prices range widely, typically from $8,000 to $20,000 depending on condition, mileage, and location. Depreciation has been significant, but these trucks hold their value relatively well compared to some other vehicles due to their durability and towing capabilities. Factors affecting resale value include the condition of the body and frame (rust is a major detractor), the engine (diesel models command a premium), and overall maintenance history. Low-mileage, well-maintained examples fetch the highest prices.

2006 GMC Sierra 3500 Cost of Ownership

The 2006 GMC Sierra 3500 is generally not an economical vehicle to own. Insurance costs can be moderate to high depending on coverage and driving record. Fuel consumption is significant, especially with the gasoline engines. Maintenance and repair costs can be substantial, particularly for the diesel engine. Parts can be expensive, and specialized knowledge is often required for repairs. Long-term ownership costs depend heavily on maintenance habits. Neglecting maintenance can lead to costly breakdowns. Expect higher ongoing expenses compared to a smaller, more fuel-efficient vehicle.

2006 GMC Sierra 3500 Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity -
City Mileage -
Highway Mileage -

2006 GMC Sierra 3500 Warranty

Basic
Original warranty 0 months / No data
Estimated remaining Expired
Powertrain
Original warranty 0 months / No data
Estimated remaining Expired
Rust
Original warranty 0 months / No data
Estimated remaining Expired

2006 GMC Sierra 3500 Insurance

Insurance for a 2006 GMC Sierra 3500 is moderately priced, reflecting its status as a Pickup Truck with strong safety ratings and
reasonable repair costs.

How Does the 2006 GMC Sierra 3500 Compare to Other Pickup Truck?

The 2006 GMC Sierra 3500 competes with the Ford F-350 and the Dodge Ram 3500. In terms of performance, the Duramax diesel is comparable to Ford's Power Stroke and Dodge's Cummins diesels. Features are similar across the board for this era, with comparable trim levels offering similar amenities. Reliability is a mixed bag. All three trucks can experience issues, but the Duramax is known for injector problems while the Ford Power Stroke had its own set of challenges. The Dodge Cummins is generally considered very reliable, but surrounding components can still fail. Price-wise, they are typically similar on the used market. A similar alternative to consider is the Chevrolet Silverado 3500, which is essentially the same truck as the GMC Sierra 3500, offering similar performance and features. Ultimately, the "better" choice depends on individual preferences and the specific condition of the truck. Thorough inspections are crucial. If maximum reliability is the primary concern, a Cummins-powered Dodge Ram 3500, properly maintained, *might* have a slight edge, but the differences are often negligible.

Ranks #431 Truck

1 2023 Toyota Tundra (5.0★)
2 2022 Honda Ridgeline (5.0★)
3 2023 Ford E-Transit Chassis (0.0★)
4 2020 Mercedes-Benz Sprinter Cab Chassis (0.0★)
5 2024 Chevrolet Silverado 3500HD (0.0★)
6 2023 Hyundai Santa Cruz (5.0★)
7 2023 Nissan Frontier (5.0★)
8 2024 GMC Sierra 2500HD (0.0★)
9 2023 Ram 4500 (0.0★)
10 2022 Jeep Gladiator (5.0★)
11 2012 Suzuki Equator (0.0★)
12 2009 Mitsubishi Raider (5.0★)
431 2006 GMC Sierra 3500 (5.0★)

Final Verdict: Is the 2006 GMC Sierra 3500 a Good Pickup Truck?

The 2006 GMC Sierra 3500 is ideal for those needing a capable and powerful work truck for towing and hauling, particularly if a diesel engine is desired. It's worth buying *used* if you find a well-maintained example at a reasonable price. A pre-purchase inspection by a qualified mechanic is essential, especially for diesel models. Pay close attention to rust and maintenance records. The SLT trim offers a more comfortable experience, but even a base model can be a solid workhorse. Avoid trucks with a history of neglected maintenance or excessive rust. This is a capable but aging truck, so manage your expectations regarding modern features and refinement.

2006 GMC Sierra 3500 Owner Reviews

3.60
Consumer Rating, Based on 12 Consumer Reviews
Overall rating
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GloriaC on July 1, 2020

Very nice vehicle

This truck is very comfortable with all the extras. It has Lots of leg room. Love the heated seats. Great visibility. Sleek design. Sharp looking truck.

Was this review helpful?
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Roadie on April 12, 2018

Comfort, power, and

SLT option package has the comfort and options of a luxury SUV. Diesel has the power to tow pretty much anything. It's been a great and reliable truck.

Was this review helpful?
1
0

ScottForster on April 6, 2017

The truck is Great, DON'T BUY from Riverside Chev

I like the truck, was misled from the salesman at Riverside Chevrolet- Jacksonville. They sold me a truck with bad ball joints, bent rims, and a long list of safety issues. BAD DEALERSHIP!!!!!

Was this review helpful?
1
0

kjlookingfrotrucks on October 16, 2013

nogodealership

hi this dealership is the warst dealership I have see in a long time thay wood nut late me take the truck fro a test drive and before I lafe NY to go to NJ I gate lost I call and thay wis rude to me I ask fro deracs thay wood give me and wot post to take 1 30 mint drive take 3 30 hr drive on the phone thay say thay wood take my tray in and gay me on my tray is 12000 but thay say wane I gate thay 3000 on it and the dealership is asking wa to much ok thar a lot more I have to say abut this dealership but it is nunt good so thank you and have a nice day kj

Was this review helpful?
0
1

GloriaC on July 1, 2020

Very nice vehicle

This truck is very comfortable with all the extras. It has Lots of leg room. Love the heated seats. Great visibility. Sleek design. Sharp looking truck.

Was this review helpful?
1
0

Roadie on April 12, 2018

Comfort, power, and

SLT option package has the comfort and options of a luxury SUV. Diesel has the power to tow pretty much anything. It's been a great and reliable truck.

Was this review helpful?
1
0

ScottForster on April 6, 2017

The truck is Great, DON'T BUY from Riverside Chev

I like the truck, was misled from the salesman at Riverside Chevrolet- Jacksonville. They sold me a truck with bad ball joints, bent rims, and a long list of safety issues. BAD DEALERSHIP!!!!!

Was this review helpful?
1
0

kjlookingfrotrucks on October 16, 2013

nogodealership

hi this dealership is the warst dealership I have see in a long time thay wood nut late me take the truck fro a test drive and before I lafe NY to go to NJ I gate lost I call and thay wis rude to me I ask fro deracs thay wood give me and wot post to take 1 30 mint drive take 3 30 hr drive on the phone thay say thay wood take my tray in and gay me on my tray is 12000 but thay say wane I gate thay 3000 on it and the dealership is asking wa to much ok thar a lot more I have to say abut this dealership but it is nunt good so thank you and have a nice day kj

Was this review helpful?
0
1

GloriaC on July 1, 2020

Very nice vehicle

This truck is very comfortable with all the extras. It has Lots of leg room. Love the heated seats. Great visibility. Sleek design. Sharp looking truck.

Was this review helpful?
1
0

Roadie on April 12, 2018

Comfort, power, and

SLT option package has the comfort and options of a luxury SUV. Diesel has the power to tow pretty much anything. It's been a great and reliable truck.

Was this review helpful?
1
0
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Jovan

Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.