Used 1998 GMC Sonoma Extended Cab


Pros & Cons

  • Fuel efficient base engine. Sporty styling. Powerful optional V6. Handy 3rd door option.
  • Shabby build quality. Low seating positions. Rattly third door option.
List Price Estimate
$792 - $1,680

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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.

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.

Consumer reviews

Read what other owners think about the Used 1998 GMC Sonoma Extended Cab.

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Most helpful consumer reviews

Awesome Pickup
SLE 2dr Extended Cab 4WD SB
Awesome pickup. College kid and I love it. Only downside can't find any aftermarket parts.
Why GM looses market share explained
SLE 2dr Extended Cab 4WD SB
The last GM product my family and I will ever own. We purchased this truck for my 75 year old dad. My dad is a WWII veteran, and wanted to purchase an American made truck. His previous truck had been a 1985 Toyota 4x4 which he owned for eleven years and had no problems other than he had to replace the exhaust system twice. The problems with the Sonoma began shortly after driving it off the lot. The 4x4 system proved problematic for the 1st year and once fixed worked well (it's only used 4-5 a year for a mile or two each time). The rear bearings needed to replace at 18,000 miles. The calipers and brakes are the vehicles major weak points. Radio stinks too.
Most reliable truck ever owned
SLE 2dr Extended Cab 4WD SB
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.
SLS Sport 2dr Extended Cab SB
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.


NHTSA Overall Rating

The National Highway Transportation Safety Administration offers independent analysis.
  • Frontal Barrier Crash Rating
    OverallNot Rated
    Driver4 / 5
    Passenger4 / 5
  • 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

More about the 1998 GMC Sonoma

Used 1998 GMC Sonoma Extended Cab Overview

The Used 1998 GMC Sonoma Extended Cab is offered in the following styles: SLS Sport 2dr Extended Cab 4WD SB (4.3L 6cyl naturally aspired 5M), SLS Sport 2dr Extended Cab 4WD SB (4.3L 6cyl naturally aspired 5M), SLE 2dr Extended Cab 4WD SB (4.3L 6cyl naturally aspired 5M), SLS Sport 2dr Extended Cab SB (2.2L 4cyl naturally aspired 5M), SLE 2dr Extended Cab SB (2.2L 4cyl naturally aspired 5M), and SLS Sport 2dr Extended Cab SB (2.2L 4cyl naturally aspired 5M). Pre-owned GMC Sonoma Extended Cab models are available with a 4.3 L-liter gas engine, with output up to 180 hp, depending on engine type. The Used 1998 GMC Sonoma Extended Cab comes with four wheel drive. Available transmissions include: 5-speed manual.

What's a good price on a Used 1998 GMC Sonoma Extended Cab?

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Which used 1998 GMC Sonoma Extended Cabs are available in my area?

Used 1998 GMC Sonoma Extended Cab Listings and Inventory

Simply research the type of used car you're interested in and then select a prew-owned vehicle from our massive database to find cheap used cars for sale near you. Once you have identified a used or CPO vehicle you're interested in, check the AutoCheck vehicle history reports, read dealer reviews, and find out what other owners paid for the Used 1998 GMC Sonoma Extended Cab.

Shop Edmunds' car, SUV, and truck listings of over 6 million vehicles to find a cheap used, or certified pre-owned (CPO) 1998 GMC Sonoma Extended Cab for sale near you.

Can't find a used 1998 GMC Sonoma Sonoma Extended Cab you want in your area? Consider a broader search.

Find a used GMC Sonoma for sale - 6 great deals out of 15 listings starting at $12,734.

Find a used GMC for sale - 9 great deals out of 11 listings starting at $24,255.

Find a used certified pre-owned GMC Sonoma for sale - 3 great deals out of 7 listings starting at $8,479.

Find a used certified pre-owned GMC for sale - 6 great deals out of 18 listings starting at $16,685.

Should I lease or buy a 1998 GMC Sonoma?

Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.

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