2003 GMC Sierra 2500HD Review

Pros & Cons

  • Powerful drivetrains, roomy interior, numerous available amenities.
  • Spotty build quality, cheap interior materials.
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Edmunds' Expert Review

With its powerful engine lineup and revised interiors, the heavy-duty Sierra makes a strong case for itself against the competition.

2003 Highlights

The Sierra gets a revised look this year that includes a new front fascia, revised side moldings and optional multifunction, fold-away mirrors. On the inside, GMC has added new seats, a more comprehensive driver information center, a redesigned instrument panel and optional dual-zone climate control and satellite steering wheel controls. On the hardware side, the standard 6.0-liter V8 gets electronic throttle control as well as the ability to run exclusively on Compressed Natural Gas (CNG) or a mix of CNG and gasoline. Other upgrades include an improved Insta-Trac part-time four-wheel drive system for reduced service costs, a more efficient starter for the 8.1-liter V8 and a revised headlight switch that allows drivers to turn off the daytime running lamps.

Consumer reviews

Read what other owners think about the 2003 GMC Sierra 2500HD.

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Most helpful consumer reviews

Power Plus
2003 Sierra with 8.1 liter 345 HP and Alison Auto. Plenty of power for towing. A little hestitant on take off when cold. 20,000 miles in 6 months and it runs like day 1. Fuel mileage is absolutely HORRENDOUS!!!! Towing an enclosed race car trailer x-country avg. mileage = 7.95. Driving enmpty no load at all avg. mileage = 12.98.
Still smiling...
I researched long and hard when deciding on the $$ for the Duramax/Allison combo. Man am I pleased! It pulls my travel trailer like it wasn't even there. MPG has been better than my previous Firebird. Comfort is much better than I expected for a 3/4 ton. Looks? Man, you can't beat the Fire Red color! Don't know what it might take to wipe this smile off my face!
Not so happy with my 2500HD
Tim ,12/21/2002
I had a dent on the hood when I purchased the truck. The push button 4 wheel drive went out (defective switch). The passenger side door module went bad (haven't got it fixed yet, they can't get the part). The truck has 1300 miles. These trucks aren't cheap and so far I'm not impressed. GMC needs to clean up there act!
Fuel Economy
Chevy Man,03/03/2010
I've had my 2500HD for just under a year now and I LOVE it. The only problem I really have is its fuel economy. I average around 14 mpg, but where it lacks fuel economy it makes up for it in power. I haul around a skidsteer on a 14 ft open trailer. The skidsteer weighs more then my truck but still no problems pulling it. The fuel economy doesn't really change weather your hauling or not. I just purchased an SLR performance chip that should do the trick. This truck is perfect for anyone with the money to pay for gas.

Features & Specs

See all Used 2003 GMC Sierra 2500HD features & specs
More about the 2003 GMC Sierra 2500HD

Used 2003 GMC Sierra 2500HD Overview

The Used 2003 GMC Sierra 2500HD is offered in the following submodels: Sierra 2500HD Crew Cab, Sierra 2500HD Regular Cab, Sierra 2500HD Extended Cab. Available styles include 4dr Crew Cab 4WD SB (6.0L 8cyl 4A), 4dr Crew Cab 4WD LB (6.0L 8cyl 4A), 4dr Extended Cab 4WD LB (6.0L 8cyl 4A), 4dr Extended Cab 4WD SB (6.0L 8cyl 4A), 4dr Extended Cab Rwd LB (6.0L 8cyl 4A), 4dr Crew Cab SLE 4WD SB (6.0L 8cyl 4A), 4dr Extended Cab SLE 4WD LB (6.0L 8cyl 4A), 4dr Crew Cab SLE 4WD LB (6.0L 8cyl 4A), 4dr Extended Cab SLE 4WD SB (6.0L 8cyl 4A), 4dr Extended Cab Rwd SB (6.0L 8cyl 4A), 2dr Regular Cab 4WD LB (6.0L 8cyl 5M), 2dr Regular Cab Rwd LB (6.0L 8cyl 5M), 4dr Crew Cab Rwd SB (6.0L 8cyl 4A), 4dr Crew Cab Rwd LB (6.0L 8cyl 4A), 2dr Regular Cab Work Truck 4WD LB (6.0L 8cyl 5M), 4dr Crew Cab SLE Rwd LB (6.0L 8cyl 4A), 4dr Crew Cab SLE Rwd SB (6.0L 8cyl 4A), 2dr Regular Cab SLE 4WD LB (6.0L 8cyl 4A), 4dr Extended Cab SLE Rwd SB (6.0L 8cyl 4A), 2dr Regular Cab SLE Rwd LB (6.0L 8cyl 5M), 4dr Extended Cab SLE Rwd LB (6.0L 8cyl 4A), and 2dr Regular Cab Work Truck Rwd LB (6.0L 8cyl 5M).

What's a good price on a Used 2003 GMC Sierra 2500HD?

Price comparisons for Used 2003 GMC Sierra 2500HD trim styles:

  • The Used 2003 GMC Sierra 2500HD SLE is priced between $15,000 and$15,000 with odometer readings between 97001 and97001 miles.

Shop with Edmunds for perks and special offers on used cars, trucks, and SUVs near Ashburn, VA. Doing so could save you hundreds or thousands of dollars. Edmunds also provides consumer-driven dealership sales and service reviews to help you make informed decisions about what cars to buy and where to buy them.

Which used 2003 GMC Sierra 2500HDS are available in my area?

Shop Edmunds' car, SUV, and truck listings of over 6 million vehicles to find a cheap new, used, or certified pre-owned (CPO) 2003 GMC Sierra 2500HD for sale near. There are currently 1 used and CPO 2003 Sierra 2500HDS listed for sale in your area, with list prices as low as $15,000 and mileage as low as 97001 miles. Simply research the type of car you're interested in and then select a used car from our massive database to find cheap prew-owned vehicles for sale near you. Once you have identified a used vehicle you're interested in, check the AutoCheck vehicle history reports, read dealer reviews, and find out what other owners paid for the Used 2003 GMC Sierra 2500HD.

Can't find a used 2003 GMC Sierra 2500HDs you want in your area? Consider a broader search.

Find a used GMC Sierra 2500HD for sale - 3 great deals out of 8 listings starting at $8,707.

Find a used GMC for sale - 2 great deals out of 7 listings starting at $10,292.

Find a used certified pre-owned GMC Sierra 2500HD for sale - 8 great deals out of 17 listings starting at $8,502.

Find a used certified pre-owned GMC for sale - 11 great deals out of 19 listings starting at $13,874.

Should I lease or buy a 2003 GMC Sierra 2500HD?

Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.

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Check out GMC Sierra 2500HD lease specials