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1998 GMC K1500

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1998 GMC K1500 Review

Sturdy, reliable power.

Reviewed by Automotive on


The 1998 GMC K1500 classifies as a full-size pickup truck manufactured by General Motors under the GMC marquee. The GMC K1500 line of pickup trucks looks similar to the Chevrolet Silverado, another lineup of pickup trucks manufactured by General Motors under Chevrolet marquee. The GMC K1500 belongs to 3/4-ton pickup truck category. The category signifies the loading and carrying capacity of the vehicle. GMC offers several trim levels for the GMC K1500 as the company intends to present the vehicle not only as a pickup but also as a complete family vehicle.

The Range

Body Styles: two-door regular cab, three-door extended cab, four-door extended cab, four-door crew cab
Engines: 4.3-liter V-6, 5.0-liter V-8
Transmissions: five-speed manual, four-speed automatic
Models: GMC K1500 SL, GMC K1500 SLE, GMC K1500 SLT

What's New

The 1998 GMC K1500 model remains largely unchanged. The engines fitted in the 1998 GMC K1500 prove more powerful than engines fitted in their predecessors. The engines upgrade to produce more power and torque. Other additions to the GMC K1500 include rear heater ducts for extended cab models and reduced rolling resistance tires.

The standard list of equipment includes second-generation airbags and a PassLock theft-deterrent system. General Motors also introduces three new colors for the 1998 GMC K1500 series.


Based on a wheelbase of 117.5 inches, the 1998 GMC K1500 regular cab models measure 194.5 inches long overall, 76.8 inches wide, and stand 70.8 inches tall. The extended cab models sit on a 141.5-inch wheelbase and the only difference concerns the length of the vehicle, which stretches to 218.5 inches.

The exterior features differ with trim levels. The SL comes standard with a rear step bumper, a chrome bumper, daytime running lights, 16-inch alloy wheels, and intermittent windshield wipers. Front and rear bumper rub strips, a chrome front bumper insert, a bed liner, a trailer hitch, front tow hooks, a chrome grille, wheel well moldings, body side moldings, and a chrome body side insert remain optional. The majority of the standard features remain similar throughout the different models.


The GMC K1500 includes a good list of comfort and convenience features. The standard list of equipment differs with trim levels. The standard list of features in the SL include vinyl seating, a front bench seat, an AM/FM audio system, a day/night rear-view mirror, a passenger vanity mirror, passenger and driver door bins, an illuminated glow box, three 12V DC outlets, and a lighted entry system. Cloth seating, air-conditioning, a bed liner, privacy glass, cruise control, remote keyless entry, a tilt steering wheel, an auto-dimming rear-view mirror, and an AM/FM/cassette audio system provide options.

Some of the optional features in the SL comprise standard equipment in the SLE. Bucket seats, a center console, a keyless entry system, an AM/FM/cassette/CD audio system, an AM/FM/CD audio system, and a front split-bench seat remain optional for the SLE.

Performance & Handling

The regular and extended cab models of the 1998 GMC K1500 feature either a 4.3-liter V-6 or a five-liter V-8 with varied horsepower and torque. The SL and SLE with an extended cab come equipped with a five-liter V-8 engine, cranking 230 horsepower and 285 lb-ft of torque. All regular cab models contain a 4.3-liter V-6 engine generating 200 horsepower and 225 lb-ft of torque. Power brakes and a four-wheel anti-lock braking system come standard for all trim levels. All regular and extended cab models feature a five-speed manual transmission while a four-speed automatic transmission remains optional. Locking differential provides an option for all K1500s.


All trim levels of 1998 GMC K1500 come equipped with standard driver and passenger front airbags. Power door locks remain optional for SL and come standard for all other trim levels. Safety features such as a limited-slip differential and remote keyless entry provide options.

EPA Fuel Economy

GMC K1500 SL: 17/23 mpg city/highway
GMC K1500 SLE: 17/23 mpg city/highway
GMC K1500 SLT: 17/23 mpg city/highway
GMC K1500 Special: 16/20 mpg city/highway

You'll Like

  • Roomy cabin
  • Powerful V-8 engines
  • Trailer towing capability

You Won't Like

  • Aging design
  • Low-quality interior trimmings

Sum Up

Sturdy, reliable power.

If You Like This Vehicle

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