GMC - Sierra 2500HD (2006)

Introducing the 2006 GMC Sierra 2500HD – a full‑size heavy‑duty pickup that blends rugged durability with everyday practicality. Whether you’re scouting for a #1 workhorse or a capable family hauler, understanding the GMC Sierra 2500HD price and its value curve is essential.

It’s common to see online listings that focus on a single number with no context. With the 2006 Sierra, you’ll find price variations driven by trim level, mileage, and regional market demand. This guide breaks down those key variables, giving you a realistic snapshot of the used GMC Sierra 2500HD price landscape without quoting a specific dollar amount.

Key Specifications at a Glance

• Engine: 6.0‑L V8 (often the Duramax turbo‑charged) producing 385 hp and 470 lb‑ft of torque
• Transmission: 6‑speed automatic (standard on most 2006 models)
• Fuel Type: Gasoline or diesel (Duramax diesel offers improved torque and fuel economy)
• Wheelbase: 144 in (Long‑Bed) / 150 in (Standard Bed)
• Dimensions: Height ≈ 76 in | Width ≈ 79 in | Length ≈ 193–197 in (depending on bed length)
• Seating Capacity: 2–6 (with optional crew cab)
• Payload Capacity: 4,500 – 5,600 lb depending on axle and bed options
• Towing Capacity: Up to 12,000 lb with the right axle and high‑capacity transfer case
• Drivetrain: 4WD (at least in the work‑office & sack combos) or 2WD (in retail‑utility trims)
• Fuel Economy: Roughly 12–18 mpg city, 16–22 mpg highway (varies by engine choice)

These specifications help you compare across trims—such as the Sierra AT® Crew Cab vs. the Sierra STS®—and determine which configuration best fits your needs.

Depreciation Insight

Understanding the GMC Sierra 2500HD depreciation curve informs the long‑term cost of ownership. Generally, heavy‑duty pickups retain higher residual values than their lighter counterparts because of their robust construction and demand in commercial markets.

• In the first year, a typical Sierra 2006 model loses about 15‑20% of its original value. This initial depreciation is driven largely by the market adopting newer, more fuel‑efficient options.
• From the second through the fifth year, the vehicle typically experiences 10‑12% annual depreciation, stabilizing around a 30‑35% total loss by the end of year five.
• Beyond the five‑year mark, the depreciation rate often slows to 6‑8% per year, reflecting the truck’s enduring utility and limited supply of parts for older engines.

These percentages align with data from automotive forums, dealer inventories, and resale market analyses. If you’re investing in a used GMC Sierra 2500HD price vehicle, it pays to check variations in mileage and maintenance history, as these factors can push the depreciation curve higher or lower.

Comparison to Similar Models

When browsing the market, it’s common to weigh the Sierra against competitors like the Chevrolet Silverado 2500HD or the Ford Super Duty. Here’s how the 2006 Sierra stacks up:

• Engine Power: The Sierras 6.0‑L V8 generally delivers slightly higher horsepower than the Silverado’s 5.3‑L V8, while the Ford’s

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