Used 1998 GMC Sonoma Extended Cab

1998 GMC Sonoma

1998 Highlights

Styling is retuned inside and out, resulting in a sleeker look and better interior ergonomics. Dual second-generation airbags are standard, and seats are upgraded for improved comfort and appearance. Four-wheel disc brakes are standard on 4WD models and uplevel stereos are new for 1998. New colors inside and out round out the changes.


  • Fuel efficient base engine. Sporty styling. Powerful optional V6. Handy 3rd door option.


  • Shabby build quality. Low seating positions. Rattly third door option.

Used 1998 GMC Sonoma Extended Cab for Sale

GMC Sonoma 1998 75,241 miles
Used 1998GMC Sonoma
Est.Loan: $164/mo
Keiths Auto Sales
83.9 mi away
GMC Sonoma 1998 148,083 miles
Used 1998GMC SonomaSLS Sport
List:Not Listed

Edmunds' Expert Review

vehicle overview

Looking for a way to distinguish the GMC Sonoma from the pedestrian Chevrolet S-10, marketers have decided to sell the Sonoma as a capable alternative to the traditional sporty coupe. With an aggressive new look, available sport suspension, third-door extended cab, snazzy sportside bed and a strong 4.3-liter V6 under the hood, it shouldn't be a hard sell.

Despite this new advertising image, Sonomas can be fitted to suit just about any requirement, from strict utility hauler to off-road bruiser. Choose from three wheelbases, two cab types, a regular size or long cargo bed in Wideside or Sportside configuration and two- or four-wheel drive. Whew! You still have to consider three trim levels, five suspension systems, three engines (a four-cylinder or two V6 choices) and manual or automatic shift.

GMC substantially improved the Sonoma for 1998. New styling results in a more cohesive, upscale look than the previous Sonoma imparted, and a revised interior includes dual second-generation airbags and improved ergonomics. Seats have been revised to provide better comfort and a nicer appearance. Rear bumpers get a center cutout to improve access to the cargo bed, and towing capacity is increased to 3,500 pounds. Four-wheel drive models have standard four-wheel disc brakes, and there are new uplevel audio systems available.

With the high-output, 180-horsepower Vortec 4300 V6 on tap, and the Sport Suspension package, the Sonoma performs as energetically as high-priced sports cars did a decade or so ago. By any definition, that's progress. The Sportside box and sharp five-spoke alloys nicely complement the top powertrain and suspension, turning the Sonoma into a true factory sport truck. For off-roading duties, GMC offers the Highrider, riding three-ply all-terrain tires and sporting a reinforced frame (four inches wider, two inches taller) and toughened suspension. Either Sonoma outperforms the Ranger on or off the pavement, but when it comes to interior fittings, Ford has the General beat by a wide margin.

Inside, Sonomas and Chevrolet S-Series pickups are virtually identical, with a roomy cab and fresh interior design. Center stack controls are canted toward the driver for improved access. Unfortunately, the plastic used for dash panels and switchgear still looks as though it was sourced from Fisher Price. On extended cab trucks, an optional left side access panel makes loading passengers or cargo into the rear of the cab much easier, but takes the place of one of the fold-out jump seats in the rear.

Ford's Ranger, Dodge's Dakota and Toyota's Tacoma come across as more refined vehicles than the Sonoma, and their sticker prices reflect this impression. In compact-truck value per dollar, though, GMC just might deliver all the goods you're seeking, especially if what you're seeking is a sport truck able to dust a Nissan 200SX SE-R off the line and in the twisties.

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Features & Specs

SLE 2dr Extended Cab 4WD SBSLS Sport 2dr Extended Cab SBSLS Sport 2dr Extended Cab 4WD Stepside SBSLS Sport 2dr Extended Cab 4WD SBSLE 2dr Extended Cab SBSLS Sport 2dr Extended Cab Stepside SB
Transmission5-speed manual5-speed manual5-speed manual5-speed manual5-speed manual5-speed manual
Horsepower180 hp @ 4400 rpm120 hp @ 5000 rpm180 hp @ 4400 rpm180 hp @ 4400 rpm120 hp @ 5000 rpm120 hp @ 5000 rpm


NHTSA Overall Rating

The National Highway Transportation Safety Administration offers independent analysis.
  • Frontal Barrier Crash Rating

    OverallNot Rated
  • Side Crash Rating

    OverallNot Rated
  • Side Barrier Rating

    OverallNot Rated
    DriverNot Rated
    PassengerNot Rated
  • Combined Side Barrier & Pole Ratings

    Front SeatNot Rated
    Back SeatNot Rated
  • Rollover

    RolloverNot Rated
    Dynamic Test ResultNo Tip
    Risk Of RolloverNot Rated

IIHS Rating
The Insurance Institute of Highway Safety uses extensive crash tests to determine car safety.
  • Side Impact Test
    Not Tested
  • Roof Strength Test
    Not Tested
  • Rear Crash Protection / Head Restraint
    Not Tested
  • IIHS Small Overlap Front Test
    Not Tested
  • Moderate Overlap Front Test

Top Consumer Reviews

Read what other owners think about the 1998 GMC Sonoma


Consumer Rating

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i have inherited my fathers 1998 GMC Sonoma extended cab and it's excellent! We recently recharged the air system and it feels like factory new. We've only had the brakes blow out twice and the front tie rods break but that's really it. i love this truck because its very fun to drive but i wish the 4 cylinder had more power. it has the 5 speed manual so it makes driving interesting. all i have to say is that this is the best truck our family has ever owned and i hope to keep it running for years to come.
Most reliable truck ever owned
I am now approaching 300,000 miles on this truck and still have not spent money in repairs. I have changed the serpentine belt, headlamp and tires, but this truck has been very good to me.
Awesome Pickup
Awesome pickup. College kid and I love it. Only downside can't find any aftermarket parts.
Used 1998 GMC Sonoma Extended Cab Overview

The Used 1998 GMC Sonoma Extended Cab is offered in the following styles: SLE 2dr Extended Cab 4WD SB, SLS Sport 2dr Extended Cab SB, SLS Sport 2dr Extended Cab 4WD SB, SLS Sport 2dr Extended Cab Stepside SB, SLS Sport 2dr Extended Cab 4WD Stepside SB, and SLE 2dr Extended Cab SB.

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