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2003 GMC Jimmy Overview, Reviews, Ratings & Specs

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Simon A | September 28, 2025
The 2003 GMC Jimmy is a classic mid-size SUV, part of the S-10 Blazer/Jimmy lineage that spanned from 1983 to 2005. Available in both two and four-door body styles, the 2003 model sits late in its second generation (1995-2005). Key trims included the SL, SLS, SLE, and SLT. It's popular for its rugged utility, compact size, and affordability on the used market, making it a versatile choice for light off-roading or practical daily use.
The Good

The 2003 GMC Jimmy offers robust V6 performance for its class and generally reliable mechanics if well-maintained. Its timeless, boxy design appeals to enthusiasts, while its practical utility, affordable used price, and decent cargo capacity make it a strong value. It provides a sense of rugged capability, appealing to those seeking adventure and a no-nonsense SUV.

The Bad

Potential weaknesses for the 2003 GMC Jimmy include its somewhat dated interior materials, less-than-stellar fuel economy, and a ride that can be bouncy. Owners should also watch for common issues such as intake manifold gasket leaks, fuel pump failures, rust, and potential automatic transmission longevity concerns. Interior comfort isn't its strongest suit.

2003 GMC Jimmy: Quick Overview

  • Engine: The 2003 GMC Jimmy was primarily offered with one engine option: a 4.3-liter "Vortec 4300" V6. This engine was a staple across GM's light truck and SUV lineup for its dependability and respectable torque output.

  • Horsepower: The 4.3L V6 produced approximately 190 horsepower and around 250 lb-ft of torque, providing adequate power for daily driving and light towing.

  • Fuel Economy: Fuel economy figures for the 2003 Jimmy were moderate by today's standards. Expect around 15-16 MPG in the city and 20-21 MPG on the highway for 2WD models, with 4WD models being slightly less efficient.

  • 0-60 Times: The 0-60 mph acceleration typically ranged from 9.0 to 10.0 seconds, which was competitive for a compact SUV of its era.

  • Towing Capacity: When properly equipped, the 2003 GMC Jimmy offered a commendable towing capacity of up to 5,500 pounds, making it suitable for hauling small trailers, boats, or recreational vehicles.

  • Trim-Level Features:
    • SL: The base model, offering essential features like air conditioning, an AM/FM stereo, and manual windows/locks on some configurations.

    • SLS: Added more convenience features, often including power windows and door locks, remote keyless entry, and upgraded cloth upholstery.

    • SLE: A step up, usually featuring alloy wheels, an upgraded sound system, cruise control, and often a CD player.

    • SLT: The top-tier trim, which included features such as leather seating surfaces, power-adjustable driver's seat, premium audio system, fog lights, and available OnStar. Many trims also offered selectable 4x4 (push-button or Auto4x4) as an option.

2003 GMC Jimmy Specifications

Vehicle Information
Year 2003
Make GMC
Model Jimmy
Trim -
Style 4-Door 4WD
Type Sport Utility Vehicle
Category Minivan
Manufacturing Details
Made In United States
Manufacturing City LINDEN
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating 5000 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 4.3-L V-6 OHV 12V
Engine Size 4.3L
Engine Cylinders 6
Transmission 4-Speed Automatic
Transmission Type Automatic
Transmission Speeds 4-Speed
Drivetrain Four-Wheel Drive
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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Analysis

What Problems Does the 2003 GMC Jimmy Have?

The 2003 GMC Jimmy, like many vehicles of its age, has a list of frequently reported problems and long-term reliability concerns that potential owners should be aware of. A common and often costly issue is the failure of the intake manifold gaskets, particularly the lower intake manifold gaskets. These can lead to coolant leaks and potential engine damage if not addressed promptly. Another notorious problem involves the fuel pump, which is located inside the fuel tank and can be expensive to replace due to labor involved in dropping the tank.

Electrical issues are also not uncommon, including faulty ABS modules, which can cause the ABS light to illuminate, and problems with the ignition control module. The 4L60E automatic transmission, while generally robust, can develop issues such as harsh shifting or complete failure, especially if maintenance schedules for fluid and filter changes are neglected.

Rust is a significant long-term concern, particularly on the frame, rocker panels, wheel wells, and sometimes around the rear hatch, especially in regions that use road salt. Interior components can also show wear, with failing heater blend doors (leading to inconsistent HVAC temperature) and deteriorating seat upholstery being common. Window regulators are also known to fail. Regarding recalls, while specific 2003 recalls should be checked via NHTSA, older S-series trucks often had recalls related to brake light switches, wiper motor failures, or certain fuel system components. Proactive maintenance and inspection for these known issues are crucial for long-term ownership of a 2003 Jimmy.

How long will the 2003 GMC Jimmy last?

With diligent maintenance, a 2003 GMC Jimmy can reliably achieve 150,000 to 200,000 miles or even more, extending its service life beyond 15-20 years. The 4.3L V6 engine and 4L60E transmission are generally durable powerplants, provided fluids are regularly changed and common issues like intake manifold gaskets are addressed. However, long-term weaknesses include rampant rust in salt-belt states affecting the frame, body panels, and brake lines. Electrical gremlins can surface, and suspension components like ball joints and bushings will inevitably wear out, requiring replacement to maintain ride quality and safety. Consistent attention to these areas is key to maximizing its lifespan.

What Technology & Safety Features are Included?

The 2003 GMC Jimmy reflects the technology standards of its early 2000s era, offering a relatively basic but functional suite of features. For entertainment, standard offerings typically included an AM/FM stereo, often with a CD player on higher trims. Some models also had an optional cassette player. The sound system generally comprised basic speakers, suitable for casual listening but lacking the premium audio fidelity of modern vehicles. There was no integrated navigation or advanced infotainment screen.

Driver-assistance features were minimal. Anti-lock brakes (ABS) were available, either as an option or standard on specific trims, providing enhanced braking control in slippery conditions. Beyond this, advanced driver-assistance systems like traction control, stability control, or parking sensors were not available for this model year. Daytime Running Lamps (DRLs) were a standard safety feature.

Safety features primarily consisted of dual front airbags for the driver and front passenger. Side airbags were not offered. Crash-test ratings for the 2003 Jimmy (and its Chevrolet Blazer twin) from organizations like the National Highway Traffic Safety Administration (NHTSA) typically showed results that were acceptable for its time, but would not meet the stringent standards of contemporary vehicles. For instance, NHTSA ratings might show 4 or 5 stars for frontal impact for the driver and passenger, and varying results for side impact (where applicable, depending on test specifics and the absence of side airbags). Optional features included remote keyless entry, and some higher trims offered OnStar, a subscription-based telematics service providing emergency assistance, roadside aid, and hands-free calling via a built-in cellular connection.

What Colors Options are Available?

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2003 GMC Jimmy Prices and Market Value

When new, the 2003 GMC Jimmy carried a Manufacturers Suggested Retail Price (MSRP) ranging roughly from $20,000 for a base 2WD model to over $30,000 for a fully loaded 4WD SLT. Today, its depreciation is nearly complete, reflecting its age and the natural lifecycle of vehicles. Current used market prices are very low, typically ranging from $2,000 to $6,000, heavily dependent on condition, mileage, and region. Factors severely affecting its resale value include significant rust, high mileage, poor maintenance history, and failing mechanical components (e.g., transmission, fuel pump). Conversely, well-maintained, rust-free examples, especially 4x4 models, command higher prices from enthusiasts or those seeking a budget utility vehicle.

2003 GMC Jimmy Cost of Ownership

Insurance costs for a 2003 GMC Jimmy are generally low due to its minimal current market value. However, fuel costs can be moderate to high, given its older 4.3L V6 engine's efficiency (15-20 MPG). Maintenance is relatively economical; parts are inexpensive and widely available, making it a good candidate for DIY repairs. Repair costs, while parts are cheap, can add up for common issues like fuel pump replacement or intake manifold gasket leaks if professional labor is required. Overall, it's economical to purchase, but long-term ownership can lean towards moderate cost due to fuel consumption and the inevitability of age-related repairs.

2003 GMC Jimmy Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity -
City Mileage -
Highway Mileage -

2003 GMC Jimmy Recalls & Defects

Equipment:other:labels
Recall date 2004-03-18
Recall no. 04v132000
Source NHTSA
Summary Certain Pickup Trucks and Sport Utility Vehicles Fail TO Comply With THE Requirements OF Federal Motor Vehicle Safety Standard NO. 208, "occupant Crash Protection."
Consequence Some OF These Vehicles Include Incorrect Statements ON ONE OF THE AIR BAG Warning Labels.
Remedy Owners Will BE Provided With Correct Labels and Installation Instructions. Owner Notification Began ON June 4, 2004. Owners Should Contact Chevrolet AT 1-800-630-2438 or GMC AT 1-866-996-9463.
Notes GM Recall NO. 04021.customers CAN Also Contact THE National Highway Traffic Safety Administration's Auto Safety Hotline AT 1-888-Dash-2-dot (1-888-327-4236).

2003 GMC Jimmy Warranty

Basic
Original warranty 0 months / No data
Estimated remaining Expired
Powertrain
Original warranty 0 months / No data
Estimated remaining Expired
Rust
Original warranty 0 months / No data
Estimated remaining Expired

2003 GMC Jimmy Insurance

Insurance for a 2003 GMC Jimmy is moderately priced, reflecting its status as a Sport Utility Vehicle with strong safety ratings and
reasonable repair costs.

How Does the 2003 GMC Jimmy Compare to Other Sport Utility Vehicle?

The 2003 GMC Jimmy competed against a host of compact/mid-size SUVs, most notably its twin, the Chevrolet Blazer, along with the Ford Explorer, Nissan Xterra, Toyota 4Runner, and Jeep Cherokee (XJ/KJ generations).

In terms of performance, the Jimmy's 4.3L V6 offered competitive power for its class, often outperforming some 4-cylinder rivals and holding its own against V6 versions of the Explorer and Xterra. It was generally less refined than the Toyota 4Runner's powertrain. Features were simpler than more premium import rivals; while the Jimmy offered basics like power accessories, AC, and a CD player on higher trims, it lacked the advanced safety tech or luxury appointments sometimes found in higher-end 4Runners or Explorers. Its interior plastics were also less upscale than some competitors.

Reliability is a mixed bag. The 4.3L V6 engine itself is robust, but issues like intake manifold gaskets, fuel pumps, and ABS modules are common. The 4L60E transmission, if maintained, is durable but can be a point of failure. The Toyota 4Runner of the same era is widely regarded as superior in long-term reliability and fewer common issues. The Ford Explorer had its own set of transmission and suspension issues, while the Xterra was generally quite reliable. The Jeep Cherokee (XJ) was known for its legendary 4.0L straight-six, though electrical and rust issues were present.

Price is where the Jimmy shines as an older used vehicle. It's significantly more affordable on the used market than a comparable Toyota 4Runner, and often cheaper than a well-maintained Xterra or Explorer. For similar performance and features at an equivalent or lower price, its direct twin, the 2003 Chevrolet Blazer, is an obvious alternative.

Recommendations: If ultimate long-term reliability and resale value are priorities, a 3rd-generation Toyota 4Runner is a superior, albeit more expensive, alternative. If budget and utility are paramount and you don't mind potential repairs or DIY, the Jimmy (or Blazer) remains a viable option. For more space, a Ford Explorer. For a more rugged, off-road focused experience, a Nissan Xterra or a Jeep Cherokee (XJ) might be considered.

Final Verdict: Is the 2003 GMC Jimmy a Good Sport Utility Vehicle?

The 2003 GMC Jimmy is ideal for budget-conscious buyers, first-time vehicle owners, or those seeking a practical, robust utility vehicle for light towing, hauling, or mild off-roading. It's particularly suited for individuals who appreciate its classic, no-frills SUV design and value straightforward mechanics. It is certainly worth buying in the used market, but only under specific conditions: look for a well-maintained example with documented service history, minimal rust, and no major engine or transmission warning signs. Opting for an SLE or SLT trim often provides a better balance of features without significant cost increase. It's not for those prioritizing modern amenities, high fuel efficiency, or a plush ride. As an economical, versatile workhorse, it can be a smart purchase if inspected thoroughly before buying.

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Simon A

Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.