Paint 1 of 8
Render shows the 2008 model
2006 GMC Sierra 2500 HD SL1
Truck (Regular Cab) · 300 hp
Market
Too few listings to publish a market price.
Own one? Yours has a number of its own.
Track what yours is worthA fresh estimate every month, in one short email. Not an offer to buy.Start trackingWhich Sierra 2500 HD is right for you?
Five trims, $21,825 to $32,235. Tap one to open it.
Bar heights follow the price. The widest step is $5,320, from SLE1 to SLE2.
The numbers.
Ten configurations: rear-wheel or four-wheel drive, 5-speed manual or 4-speed automatic.
87 standard items.
Four groups, sized by how much is in each.
- Length
- Overall width without mirrors
- Height
- Wheelbase
- Front track
- Rear track
- Bed length
- Turning circle
- Ground clearance
- Curb weight
- Maximum towing capacity
- Maximum payload
- Gross weight
- Country of final assembly
- front independent suspension
- short and long arm front suspension
- solid live axle rear suspension
- Fuel type
- Range in miles (city/hwy)
- Fuel tank capacity
- Transmission
- Drive type
- Rear locking differential
- Base engine size
- Cylinders
- Base engine type
- Horsepower
- Torque
- Valves
- Cam type
- steel wheels
- partial wheel covers
- 16 x 7.0 in. wheels
- All terrain tires
- LT265/75R E tires
- Steel spare wheel
- fullsize matching spare tire
- underbody mounted spare tire
- Rear head room
- Rear leg room
- Rear shoulder room
- Rear hip room
- Folding rear seatback
- folding with storage center armrest
- tilt-adjustable steering wheel
- power steering
- cruise control
- front and rear cupholders
- front door pockets
- front seatback storage
- retained accessory power
- Dual zone front air conditioning
- Passenger vanity mirror
- Rear floor mats
- cargo area light
- front reading lights
- tachometer
- clock
- low fuel level warning
- Front head room
- Front leg room
- Front shoulder room
- Front hip room
- premium cloth
- 40-20-40 split bench front seats
- 4-way manual driver seat adjustments
- 4-way manual passenger seat adjustment
- Heated mirrors
- child seat anchors
- 4-wheel ABS
- Front and rear ventilated disc brakes
- electronic brakeforce distribution
- dusk sensing headlamps
- auto delay off headlamps
- daytime running lights
- 2 front headrests
- Front height adjustable headrests
- 2 rear headrests
- Rear height adjustable headrests
- Front center lap belt
- Rear center 3-point belt
- engine immobilizer
- AM/FM stereo
- 6 total speakers
- radio data system
- speed sensitive volume control
- mast antenna
6 interiors
- Dark Pewter
- Dark Pewter
- Neutral
- Neutral
- Neutral
- Dark Pewter
Premium cloth or vinyl or cloth.
27 factory paints
- Dark Toreador Red
- Indigo Blue
- Doeskin Tan
- Fire Red
- Silver Birch Metallic
- Green-Low Gloss
- Orange
- Wheatland Yellow
- Yellow
- Summit White
- Green
- Tan - Low Gloss
- Blue
- Woodland Green
- Blue Metallic
- Stealth Gray Metallic
- Onyx Black
- Light Autumnwood Metallic
- Deep Blue Metallic
- Gray Metallic
- Tan-Low Gloss
- Polo Green Metallic
- Green - Low Gloss
- Tangier Orange
- Pewter
- Steel Gray Metallic
- Sand Beige Metallic
8 of the 27 are shown on the car at the top.
Safety and recalls
No recall campaigns on file.
Recalls are settled per car, not per model. Check the one you are buying.
NHTSA has not published ratings for the 2006 Sierra 2500 HD. A model year is often unrated for a year or more after it goes on sale.
NHTSA NCAP · checked Oct 2026
Factory coverage.
It runs from the first sale date, not the model year.
Sponsored · Insurance offers
What would this Sierra 2500 HD cost to insure?
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Other years of the Sierra 2500 HD SL1.
2007 Sierra 2500 HD Work Truck
$23,675$240 less7 colors · starting MSRP
2005 Sierra 2500 HD Work Truck
$24,235$320 more8 colors · starting MSRP
2008 Sierra 2500 HD Work Truck
$24,460$545 more8 colors · starting MSRPPictures show this year's car in another paint. Starting MSRP is before destination, taxes and dealer fees.