GMC Sierra 2500HD Second generation (GMT800) - Facelift (2003 - 2006)

2003
2004
2005
2006

Custom-fit Add-ons

Body kits
Fender flares
Rims
Coilovers
Decals

Second generation (GMT800) - Facelift of GMC Sierra 2500HD has been in production since 2003 by 2006.

In addition to external changes, the model has undergone changes in technical terms. Second generation (GMT800) - Facelift is longer than the previous generation by 2.4 inches . The weight of the car has increased by 16 lbs.

GMC Sierra 2500HD Second generation (GMT800) - Facelift dimensions and specs

Compare two GMC Sierra 2500HD generations

Second generation (GMT800) - Facelift

Body style	Truck
Length	222.1 - 258.5 in
Width	79.70 in
Height	76.2 - 77 in
Wheelbase	133 - 167 in
Curb weight	5142 - 6056 lbs
Number of doors	2 - 4
Seating capacity	3 - 6
Front hip room	61.40 in
Rear hip room	61.5 - 62.9 in
Front Headroom	41.00 in
Rear Headroom	38.4 - 39.9 in
Front shoulder room	65.20 in
Rear shoulder room	65.1 - 66.3 in
Fuel tank capacity	26 - 34 gal
Payload capacity	3144 - 4058 lb
Towing capacity	9600 - 12000 lbs
0-60 mph / 0-100 kph	7.7 - 9.1 sec
¼ mile time	15.7 - 16.8 sec

GMC Sierra 2500HD Common Problems generations

Unfortunately, there is no such thing as a perfect car. Each car has its own design flaws and problems that the user has to deal with. During the GMC Sierra 2500HD Second generation (GMT800) - Facelift production period from 2003 to 2006 drivers have reported 138 complaints. The most common problems are ELECTRICAL SYSTEM, SERVICE BRAKES, HYDRAULIC, SERVICE BRAKES.

Model Year	Complaints
2005 Sierra 2500HD	45
2004 Sierra 2500HD	35
2003 Sierra 2500HD	58

Problem Category	Number of Problems
ELECTRICAL SYSTEM tl*the contact owns a 2005 gmc sierra 2500 hd. the contact stated that the speedometer would occasionally remain at zero...	31 ~ 79934 miles
SERVICE BRAKES, HYDRAULIC brake pedal 'sinks' a bit toward floor on slow stops just before car comes to a stop. occurs on almost	28 ~ 61994 miles
SERVICE BRAKES driving through an intersection at 40 when a another vehicle made a left turn in front of me . i...	16 ~ 113197 miles
INSTRUMENT CLUSTER/PANEL > ELECTRICAL SYSTEM speedometer reads wrong. will be doing 55 mph and the speedometer says 120 mph. at a stop it says i...	16 ~ 71424 miles
STEERING there were no events leading up to the failure it just quick working correctly. the speedometer that is also problems	13 ~ 86118 miles
POWER TRAIN noticed a noise in the front suspension/drive train. an alignment shop checked the front end and they found that the...	7 ~ 72033 miles
WHEELS there were no events leading up to the failure it just quick working correctly. the speedometer that is also problems	4 ~ 89600 miles
TIRES 7-9-2014 michelin tire blow out left front tire 65 mph on i5 north bound just north exit 734 i have...	3 ~ 124459 miles
FUEL SYSTEM, DIESEL diesel fuel leaks from injectors into engine oil pan and contaminates engine oil them leaks oil from breather & rear...	3 ~ 78433 miles
ENGINE exhaust manifold bolts are breaking off for no apparent reason. i have four broken already and an exhaust leak developing....	3 ~ 26668 miles
ENGINE AND ENGINE COOLING this model year has an engine defect from the manufacturer. the head gasket is known to break causing the engine...	3 ~ 101384 miles
HOSES, LINES/PIPING, AND FITTINGS > FOUNDATION COMPONENTS > SERVICE BRAKES, HYDRAULIC tl*the contact owns a 2003 gmc sierra 2500 hd. the contact stated that while attempting to maneuver a boat into...	3 ~ 79528 miles
ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP > SERVICE BRAKES, HYDRAULIC i own a 2005 gmc sierra 2500hd. i am having the same abs problems in campaign # 05v379000. as i	3 ~ 29667 miles
EXHAUST SYSTEM > ENGINE AND ENGINE COOLING ticking noise coming from engine compartment. *tr...	3 ~ 44000 miles
UNKNOWN OR OTHER always turns off while driving or while at idle...	2 ~ 1003 miles
UNDERBODY SHIELDS > FRAME AND MEMBERS > STRUCTURE all the fluid lines corroded to the point where the vehicle was dangerous to drive with only 35000 original miles	2 ~ 67000 miles
VEHICLE SPEED CONTROL after driving down the road my speedometer stuck at different speeds. when parked it would say i was going at	2 ~ 58885 miles
AUTOMATIC TRANSMISSION > POWER TRAIN gm states that dexron-vi is fully backwards compatible with all dexron-iii applications. my vehicle is a 2005 gmc sierra k2500hd...	2 ~ 69229 miles
TREAD/BELT > TIRES while driving the tire tread separated completely from the tire causing moderate body damage to vehicle. tire is a tempra...	2 ~ 155000 miles
BODY > STRUCTURE after returning from a day of shopping i parked my truck at the back like always. i had been noticing...	2 ~ 119271 miles
FRAME AND MEMBERS > STRUCTURE excessive rust on frame of truck oil lines and gas lines are constantly rusting out. the truck is a gmc...	2 ~ 54000 miles
POWER ASSIST > SERVICE BRAKES, HYDRAULIC truck has been in dealer numerous times for severe noise of power steering pump loss of brake boost and steering...	2 ~ 1 miles
COOLING SYSTEM > ENGINE AND ENGINE COOLING when climbing a significant grade 6% while towing 12.500# 5th wheel on a day with high ambient temperature 95% engine...	2 ~ 6150 miles
SHAFT SECTOR > GEAR BOX > STEERING 2003 gmc 3/4 ton pickup. problem with intermediate steering shaft. have a 1999 gmc 3/4 ton that the shaft has...	2 ~ 35861 miles
BUMPERS > BODY > STRUCTURE front bumper is rusting within the first 3 months of ownership / less than 6 000 miles. *nlm...	2 ~ 65800 miles
HOSES, LINES/PIPING, AND FITTINGS > DELIVERY > FUEL SYSTEM, GASOLINE brake line leaks brake stopped working because of rusted brake lines. also fuel and transmission lines are rusted badly. *tr...	1 ~ 170000 miles
COOLING UNIT AND LINES > AUTOMATIC TRANSMISSION > POWER TRAIN brake line leaks brake stopped working because of rusted brake lines. also fuel and transmission lines are rusted badly. *tr...	1 ~ 170000 miles
ELECTRONIC STABILITY CONTROL my truck is a work truck driven by an employee i have just recently become aware of a condition regarding...	1 ~ 70000 miles
FRONT > SUSPENSION noticed a noise in the front suspension/drive train. an alignment shop checked the front end and they found that the...	1 ~ 65000 miles
VISIBILITY while driving in rain with wipers on intermittent they suddenly ran full-time and would not shut off. only way to...	1 ~ 99750 miles
SEATS i was driving my 2004 gmc sierra with my car seat warmers on. i suffered 1st and 2nd degree burns...	1 ~ 88600 miles
PARKING BRAKE parking brake failure. *tr...	1
DEFROSTER/DEFOGGER/HVAC SYSTEM > VISIBILITY #1. hvac system with a/c on drivers side ( only) will go into full heat if you shutoff engine and...	1 ~ 134000 miles
SUSPENSION my 2005 gmc 2500 hd has 154 000 miles now and i have had to change out the front hub...	1 ~ 65000 miles
FRONTAL > AIR BAGS i was heading north bound on i-45 near north avenue in milwaukee wi when it began to rain slightly. it...	1 ~ 41970 miles
INTERIOR/UNDER DASH > WIRING > ELECTRICAL SYSTEM tachometer gauge rides all over had transmission checked okay. had a scan done no engine or transmission codes overdrive does...	1
EXTERIOR LIGHTING there were no events leading up to the failure it just quick working correctly. the speedometer that is also problems	1 ~ 86000 miles
PEDAL/HAND LEVER(MOTORCYCLE) > CLUTCH ASSEMBLY > POWER TRAIN i entered the truck stepped on the clutch pedal shifted into reverse and started to ease the clutch out when...	1 ~ 104000 miles
HUB > FRONT > SUSPENSION i have a 2003 sierra pickup 4x4 64 000 miles. it has never been off road. 4 wheel drive has...	1 ~ 64000 miles
HYDRAULIC POWER ASSIST SYSTEM > STEERING truck has been in dealer numerous times for severe noise of power steering pump loss of brake boost and steering...	1 ~ 1 miles
PUMP > HYDRAULIC POWER ASSIST > STEERING truck has been in dealer numerous times for severe noise of power steering pump loss of brake boost and steering...	1 ~ 1 miles
HYDRAULIC > POWER ASSIST > SERVICE BRAKES, HYDRAULIC truck has been in dealer numerous times for severe noise of power steering pump loss of brake boost and steering...	1 ~ 1 miles
ELECTRICAL > EQUIPMENT speedometer in my 2003 gmc sierra has gone erratic. zero to 120 mph fluctuations sticks. *jb...	1 ~ 102000 miles
PADS > DISC > FOUNDATION COMPONENTS started feeling less braking power and squealing at 25000 miles on the odometer. took truck to dealer to check it	1 ~ 25000 miles
INTERIOR > REARVIEW MIRRORS/DEVICES > VISIBILITY the thermometer in the mirror that reads the outside temperature does not work properly when the snowplow is attached to...	1 ~ 100 miles
AIR CONDITIONER > APPLIANCE > EQUIPMENT i have a 2003 gmc 2500 hd duramax diesel. my complaint is the air conditioning doesn't seem to cool very...	1 ~ 4000 miles
TRANSFER CASE (4-WHEEL DRIVE) > POWER TRAIN the 4-wheel light illuminated on the dash board which indicated the 4 wheel drive was on when it was not	1

How to improve the appearance of your GMC Sierra 2500HD and to make it look younger?

Time goes on, and the automobile industry does not stand still. The cars that were trendy just a few years ago no longer make people look at you with such enthusiasm. However, you won't love your car any less because it's getting old. But if you want your GMC Sierra 2500HD to stand out from the crowd and still catch the eye, transform its appearance. Put on nice rims - it'll make it more noticeable right away. Install coilovers - lowered cars always look cooler. Add fender flares to the kit and you get a sportier look. Put decals on it and people passing by won't be able to take their eyes off of you.

However, you can not only change the appearance of your car beyond recognition, but also to rejuvenate it. If you want, you can make your car a couple of generations younger. To do this you should buy a body kit - a set of body elements that repeat the outlines of cars of later versions. It won't make the car go faster, but it will be extremely difficult to notice the differences externally.

Body kits

GOOACC 240PCS Bumper Retainer Clips Car ...
- UNIVERSAL FIT KIT - Great Assortment Push Retainer Kit with 12 popular size, fitting for door trim, radiator shield yoke, fender, bumper and splash shield retainers replacement for Ford, GM, Chrysler, Toyota, Honda and more.
GOOACC GRC-70 35PCS Engine Under Cover S...
- Brand New Engine Splash Shield Bolts Hardware Kit Fender Bumper Clips Rivets direct replacement and perfect fitment
- The extruded U-nuts can be used to replace/fix to the bumper
- The clips are widely used for radiator...
Nilight 240PCS Bumper Retainer Clips wit...
- 【 HIGH QUALITY】- High quality material with heavy-duty construction for durability
- 【 SAVE TIME AND MONEY】- No need to go to a auto parts store and look for different fasteners,Great For Toyota, Honda, Acura, GM,...
GOOACC 425 Pcs Car Body Retainer Clips S...
- 【 WORKS FOR ALMOST ALL SITUATIONS】- The kit contains 19 types of most common sizes of fastener clips, cover 6mm to 10mm hole sizes replacement for Ford, GM, Chrysler, Toyota, Nissan, Mazda, Jeep, 2001 MR2...
Dorman 38642 Tailgate Hinge Insert Kit -...
- Direct replacement - this tailgate hinge kit is designed to match the original parts required to restore proper tailgate alignment and function on specified vehicles
- Ideal solution - this kit is a reliable replacement for...
Nilight 200PCS Car Retainer Clips 6mm 7m...
- 【UNIVERSAL FIT KIT】- Great Assortment Push Retainer Kit with 6 popular size, fitting for door trim, radiator shield yoke, fender, bumper and splash shield retainers replacement
- 【STURDY & DURABLE】- Made of high quality heavy-duty nylon,...

Fender flares

Rightline Gear Full Size Long Truck Bed ...
- UNIQUE FLOORLESS DESIGN: Cut down on set up time; the Truck Tent's floorless design allows for set up without removing gear from the bed.
- 1 YEAR MANUFACTURER'S WARRANTY: Shop confidently; our service team is based...
Spec-D Tuning 4PC Front + Rear Rugged Te...
- ✔️ All of Our Items are 100% In Original Packaging! You Will Never Receive a Used Item From Us!
- ✔️ Items are Exactly the Same as Shown in the Images! You Will Receive the Exact...
Spec-D Tuning 4PC Front + Rear Smooth Pa...
- ✔️ All of Our Items are 100% In Original Packaging! You Will Never Receive a Used Item From Us!
- ✔️ Items are Exactly the Same as Shown in the Images! You Will Receive the Exact...
Injection Moulding Pocket Rivet Style Im...
- Impact-resistance material made by high-quality injection molding technology, provides safety and upmarket appearance of your vehicle.
- Paintable 4 Pieces Set Fender Flares, come with necessary installation kit and installation instructions. EASY TO INSTALL.
- Constructed with...
4Pcs Factory Style Paintable Wheel Fende...
- ▶️ These fenders are compatible with Chevy Silverado 1500 2500 3500 & Heavy Duty 1999-2006, Chevy Silverado Classic 1500 2500 3500 & Heavy Duty 2007, GMC Sierra 1500 2500 3500 & Heavy Duty 1999-2006, GMC...
LEDKINGDOMUS Fender Flares Kit Compatibl...
- ✔ COMPATIBLE MODEL - Perfectly Fit for 1999-2006 Chevy Silverado / GMC Sierra(Incl. 2007 Classic Models)(Fit for Short & Long Bed). Each fender flare is designed for the specific model, please check your vehicle's Year,...

Rims

Wheel Accessories Parts 4 PC 14x1.5 Whee...
- Dual Hex Wheel Lock Key Designed to match OE lug wrench (13/16" & 3/4")
- M14x1.5 Thread, bulge acorn seat for aftermarket wheels
- Open End Bulge Acorn 0.84" length
- Per-packaged with 4 lock nuts, 1 unique...
Ajxn 4 Pack Skull Car Wheel Tire Valve S...
- Durable Product: Made of premium zinc alloy material which is corrosion resistant, waterproof and high temperature resistant. There's a rotating thread structure inside to prevent air leakage, ensures stability and safety while driving. Also, it...
MooSun 4" Cold Air Intake System + Heat ...
- Fit for 2002-2006 Avalanche 1500 & 1999-2006 Fit for Silverado 1500 & 01 02 03 05 06 Fit for Silverado 1500 HD & 1999-2006 Fit for Silverado 2500 & 2001-2006 Fit for Silverado 2500 HD/3500...
NDRUSH LED Interior Door Light Door Pane...
- Fitment:Compatible with 1997-2000 Chevy GMC C/K 1500 2500 3500 Pickup, 1996-2000 Chevy GMC C/K 1500 2500 Suburban, 1999-2006 Cadillac Escalade, 1995-2006 Chevy Tahoe, 2000-2006 Chevy Suburban 1500 2500, 1995-2006 GMC Yukon, 2000-2006 GMC Yukon XL...
Rightline Gear Full Size Long Truck Bed ...
- UNIQUE FLOORLESS DESIGN: Cut down on set up time; the Truck Tent's floorless design allows for set up without removing gear from the bed.
- 1 YEAR MANUFACTURER'S WARRANTY: Shop confidently; our service team is based...
JUSTTOP 4PCS Car Tire Valve Stem Caps, A...
- Valve caps can protect the valve, prevent the water, dust or sand into the tire; preventing the valve from leaking, ensure the safe driving.
- Easy to install, 12pcs valve stem caps, it's can easily tightened...

Coilovers

GOOACC GRC-70 35PCS Engine Under Cover S...
- Brand New Engine Splash Shield Bolts Hardware Kit Fender Bumper Clips Rivets direct replacement and perfect fitment
- The extruded U-nuts can be used to replace/fix to the bumper
- The clips are widely used for radiator...
Brake Light Flasher Strobe Brake Light S...
- What you can receive: there are 4 pieces of flash strobe controllers and 4 pieces of double sided adhesive tapes in the package, which can alert the vehicles behind you to stop to avoid rear-end...
LBRST Headlight Assembly For GMC Sierra ...
- 【Check Fit】- Headlight Assembly For GMC Sierra 1500 1999 2000 2001 2002 2003 2004 2005 2006,For GMC Sierra 1500 Classic 2007,For GMC Sierra 1500 Classic 2007,For GMC Sierra 2500 1999 2000 2001 2002 2003 2004,For...
OKAY MOTOR Automotive Seat Cover Driver ...
- Driver Bottom Cloth Seat Cover Gray fit for 2003-2007 GMC Sierra 1500, 2003-2007 1500HD, 2003-2007 GMC Sierra 2500, 2003-2007 GMC Sierra 2500HD, 2003-2007 GMC Sierra 3500.
- Features: Cushion Cover W/o foam*1Pcs; Positions: Front Driver Side.
SINGARO 4PCS Aluminum Valve Stem Cap, Gr...
- High quality: High quality aluminum alloy is used to replace the original bad valve cap of the tire, which can keep the wheel working well.
- Convenience: The valve cover is easy to install and disassemble....
ONER Pair Of Rear Axle Bumper With Nuts�...
- 【Replacement Part Number】-15712438,523-049. Before Ordering, Please Confirm Whether The Accessories Are Suitable For Your Vehicle To Confirm Compatibility!
- 【FIT FOR】 -Compatible With 99-07 ChevySilverado 1500,99-07 GMC Sierra 1500. Easy Installation And Perfect Fit!
- 【Advantage】- Rear...

Decals

UYYE Auto Car Registration and Insurance...
- PRACTICAL AND UNFOLDER：With 7 clear sleeves for your gas card,car registration and insurance informations in.Paperwork doesn’t have to be folded as case is large enough.
- EASY TO FIND： Your automotive and social security documents are...
Nilight 3PCS 60 Inch Bed Light Strip 270...
- Impressive Brightness: The 3PCS light strip includes 270 PCS 5050-SMD LED chips, outputs a 3900LLM 6000K super bright white light to light up your entire truck bed.
- Quick Installation: Peel and stick, the self-adhesive tape...
Fuck IT Edition Emblem, Car Exterior Emb...
- [High quality materials]: Fuck IT Edition Emblem is made of high-quality Zinc Alloy materials, which are waterproof, sunscreen, rust proof, hard and wear-resistant, and durable.
- [Wide Application]: The badge is 3.46 inches long, 0.9 inches...
SINGARO 4PCS Aluminum Valve Stem Cap, Gr...
- High quality: High quality aluminum alloy is used to replace the original bad valve cap of the tire, which can keep the wheel working well.
- Convenience: The valve cover is easy to install and disassemble....
4PCS Car Door Handle Sticker, Carbon Fib...
- 【Style and Protection】: The car door handle cup can get easily scratched by fingernails, rings or keys. The accumulation of scratches will make your car look dull and old. In addition, our car door handle...
Rightline Gear Full Size Short Bed Truck...
- Unique Floorless Design: Cut Down On Set Up Time; The Truck Tent'S Floorless Design Allows For Set Up Without Removing Gear From The Bed.
- Country Of Origin : United States
- Quality Weatherproof Construction: Water Resistant...