2003 GMC Sierra 1500 Regular Cab Review | Edmunds.com

2003 GMC Sierra 1500 Regular Cab

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GMC Sierra 1500 Features and Specs

Features & Specs

  • Engine 4.8 L V 8-cylinder
  • Drivetrain Rear Wheel Drive
  • Transmission 4-speed Automatic
  • Horse Power 270 hp @ 5200 rpm
  • Fuel Economy 14/18 mpg
  • Bluetooth No
  • Navigation No
  • Heated Seats No

Review of the 2003 GMC Sierra 1500

  • Powerful drivetrains, classic exterior styling and unique options make the Sierra a pickup worth considering, but Fordís new F-150 has it beat when it comes to interior design and overall refinement.

  • Safety
  • Pros

    Roomy extended-cab models, strong V8 engines, innovative features.

  • Cons

    Spotty fit-and-finish concerns, low-grade interior materials.

  • What's New for 2003

    The Sierra gets a revised look this year that includes a new front fascia, revised side moldings and an additional wheel design. Top-of-the-line models get power-folding heated mirrors with puddle lamps and turn signal indicators. Inside, the Sierra now offers a Bose stereo system and XM Satellite Radio. The instrument panel and center console have been redesigned, and GMC has added new seats, a more comprehensive driver information center, optional satellite steering wheel controls and a dual-zone climate control system. For increased safety, Sierras now feature a standard front-passenger-sensing system and dual-stage airbags. All 4.3-liter V6-equipped Sierras and California-emission V8s are now ULEV certified, while electronic throttle control is now standard on all V8 engines. Finally, the Autotrac four-wheel-drive system has been modified for less intrusiveness at low speeds, and the brake system received upgrades that provide better pedal feel and improved overall performance.

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Gas Mileage

EPA-Rated MPG

  • 14
  • cty
/
  • 18
  • highway
Calculate Yearly Fuel Costs
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What Others Are Saying

Customer Reviews



American made

by on
Vehicle: 2003 GMC Sierra 1500 2dr Regular Cab SLE Rwd SB (4.8L 8cyl 4A)

With 50,000 miles on the odometer I couldnt be more pleased with the way this truck has held up. Don't try telling a GMC owner that his truck is a Chevy. I have been more than pleased with this trucks reliability, fuel consumption and overall satisfaction. Equipped with the 4.8 and an aftermarket Hyptertech chip gives this truck enough power to scare V8 Mustangs and Camaros. Add that with a bed to haul pretty much anything and a good tow capacity make this truck ideal for a high school or college student that can be assured of safety in an accident should that occur. Overall a great buy!




Gmc builds the best trucks!

by on
Vehicle: 2003 GMC Sierra 1500 2dr Regular Cab SLE Rwd SB (4.8L 8cyl 4A)

My first automobile was a 1966 Pontiac LeMans which I still have to this day, but I was in need of a truck to haul more around but still have decent power. The body styling on the GMC's does not jump out at you like the Chevy's or Fords etc. I have been extremely pleased with my truck especially in the performance category. After adding a Hypertech power programmer to the truck, the engine output has been amazing. Gas mileage has dropped a bit to about 16/20 but my I don't mind that when I enjoy the performance.



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Full 2003 GMC Sierra 1500 Review

What's New for 2003

The Sierra gets a revised look this year that includes a new front fascia, revised side moldings and an additional wheel design. Top-of-the-line models get power-folding heated mirrors with puddle lamps and turn signal indicators. Inside, the Sierra now offers a Bose stereo system and XM Satellite Radio. The instrument panel and center console have been redesigned, and GMC has added new seats, a more comprehensive driver information center, optional satellite steering wheel controls and a dual-zone climate control system. For increased safety, Sierras now feature a standard front-passenger-sensing system and dual-stage airbags. All 4.3-liter V6-equipped Sierras and California-emission V8s are now ULEV certified, while electronic throttle control is now standard on all V8 engines. Finally, the Autotrac four-wheel-drive system has been modified for less intrusiveness at low speeds, and the brake system received upgrades that provide better pedal feel and improved overall performance.

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Talk About The 2003 Sierra 1500

2003 GMC Sierra 1500 Discussions See all Started By

littlelav
littlelav
03-17-2013
Hello peps, I have that stupid "reduced engine power" display on my 2003 gmc sierra 1500 hd. I have tried these things; Checked wires at the TB, tested ok; Tested wires at the pedal, tested...


lobsenza
lobsenza
08-27-2003
1999-2003 GMC Sierra 1500 Series Pickups...


alcan
alcan
08-26-2003
1999-2003 GMC Sierra 1500 Series Pickups...



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