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What Edmunds Says

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

Pros

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

Cons

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

Available Sierra 1500 Regular Cab Models

Use the Edmunds Pricing System to help you get the best deal:

Work Truck

  • 4.3L V6 engine 
  • Manual transmission 
  • Up to 14 cty/19 hwy mpg 
  • 4-wheel drive 

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Used TMV from $5,416

APPRAISE YOUR CAR submodelindex:0,make:GMC, submodel:Sierra 1500 Regular Cab, year:2003, trim.trimName:Work Truck, zip:94305

Work Trucks for sale near you

Base

  • 4.8L V8 engine 
  • Automatic transmission 
  • Up to 14 cty/19 hwy mpg 
  • 4-wheel drive 
  • Traction Control (Optional) 

View All Features & Specs

Used TMV from $5,742

APPRAISE YOUR CAR submodelindex:1,make:GMC, submodel:Sierra 1500 Regular Cab, year:2003, trim.trimName:Base, zip:94305

Bases for sale near you

SLE

  • 4.8L V8 engine 
  • Automatic transmission 
  • Up to 14 cty/18 hwy mpg 
  • 4-wheel drive 
  • Traction Control (Optional) 

View All Features & Specs

Used TMV from $6,435

APPRAISE YOUR CAR submodelindex:2,make:GMC, submodel:Sierra 1500 Regular Cab, year:2003, trim.trimName:SLE, zip:94305

SLEs for sale near you

Available Sierra 1500 Extended Cab Models

Use the Edmunds Pricing System to help you get the best deal:

Work Truck

  • 4.3L V6 engine 
  • Automatic transmission 
  • Up to 14 cty/19 hwy mpg 

View All Features & Specs

Used TMV from $6,306

APPRAISE YOUR CAR submodelindex:0,make:GMC, submodel:Sierra 1500 Extended Cab, year:2003, trim.trimName:Work Truck, zip:94305

Work Trucks for sale near you

Base

  • 5.3L V8 engine 
  • Automatic transmission 
  • Up to 14 cty/18 hwy mpg 
  • 4-wheel drive 
  • Traction Control (Optional) 

View All Features & Specs

Used TMV from $6,685

APPRAISE YOUR CAR submodelindex:1,make:GMC, submodel:Sierra 1500 Extended Cab, year:2003, trim.trimName:Base, zip:94305

Bases for sale near you

SLE

  • 5.3L V8 engine 
  • Automatic transmission 
  • Up to 14 cty/18 hwy mpg 
  • 4-wheel drive 
  • Traction Control (Optional) 

View All Features & Specs

Used TMV from $7,053

APPRAISE YOUR CAR submodelindex:2,make:GMC, submodel:Sierra 1500 Extended Cab, year:2003, trim.trimName:SLE, zip:94305

SLEs for sale near you

Denali

  • 6.0L V8 engine 
  • Automatic transmission 
  • Up to 11 cty/15 hwy mpg 
  • All-wheel drive 

View All Features & Specs

Used TMV from $10,224

APPRAISE YOUR CAR submodelindex:3,make:GMC, submodel:Sierra 1500 Extended Cab, year:2003, trim.trimName:Denali, zip:94305

Denalis for sale near you

2003 GMC Sierra 1500

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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Edmunds Customer Stories: Laura's Kia Soul

Laura's old car was costing her a small fortune every month for gas and repairs. She didn't even want to drive her kids to the park any more. But buying a new Kia Soul changed all that.

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