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Info & specs

GMC Sonoma

GMC Sonoma side view
GMC Sonoma angular front perspective
GMC Sonoma angular rear perspective

Overview of the GMC Sonoma

Learn about the GMC Sonoma

Summary

Also known as the S-15, the GMC Sonoma is a compact pickup that was produced from 1981 to 2004. There are two distinct generations: the first (model years 1982–1993) and the more modern, recognizable second generation (model years 1994–2004). Along with affordability, the Sonoma’s powerful V6 engine and towing capabilities are its strong points, which might balance out claims of spotty build quality and low-end interior materials. While this truck's proportions are easily dwarfed by what's on the market today, the Sonoma's uniquely small size is how it's earned a loyal following.

Safety

The Sonoma is known for its power and towing ability more so than its safety. Still, for an older vehicle, it comes with an unexpected number of safety features. All model come standard with a four-wheel anti-lock braking system, and models as old as 1999 have an anti-theft alarm. Other safety features across most 2000s models include:

  • Rear-door child safety locks
  • Engine immobilizer to ensure only the correct key can start the car
  • Electronic brakeforce distribution, which maximizes stopping by varying brake power for each wheel

Interior

The Sonoma comes with basic interior offerings: 

  • Optional red and grey front bucket seats (as of 1991) 
  • Air conditioning (since 1994)
  • Power windows, which come standard on the 2001 crew cab

The Sonoma appears with several cabin configurations, starting with a three-passenger regular cab and five-passenger extended cab, then in later model years a four-door crew cab—which, towards the end of Sonoma production, would be the only version available. With the truck's sporty exterior styling a consistent selling point, the presence of plastics in the interior could be considered a drawback.

Technology

The Sonoma's technological amenities are as decent for a vehicle last produced more than 15 years ago, but don't expect it to stack up to a modern-day truck. Depending on the year and trim, Sonomas have come equipped with:

  • Cruise control
  • Two auxiliary 12-volt power outlets, in addition to the cigarette lighter
  • Six speakers and AM/FM stereo—or upgrade to an in-dash, six-CD changer
  • Speed-sensitive volume control that maintains the ratio of cabin noise to radio volume

If you're interested in an older truck like this one, you may be parting with modern entertainment features in favour of affordability and rugged charm.

Space

With a length of 5.2 metres and maximum payload of 484 kg—in the last year of production—the Sonoma can move quite a bit of cargo. It shines with a 2,358 kg towing capacity. Buyers caution that only the crew cab version of the Sonoma stands a chance of fitting adults in the rear seats.

Comfort

Comfort might not be the first thing on the mind of a truck driver, yet the Sonoma assures owners with its 4.3 L V6 engine that there's enough power to get the job done. The vehicle’s suspension system is built to compensate for rough roads and heavy loads, easing the ride for drivers and passengers. Two- and four-wheel drive options let drivers further adjust to the road.

Pros and cons of the GMC Sonoma

  • Long list of configurations
  • Manual or automatic transmission
  • Four-wheel drive available
  • Ceased production in 2004
  • Limited space in rear jump seats
  • High fuel consumption in V6 engines
This is general information and should not be relied on as purchasing advice.

Specifications of the GMC Sonoma

Key specifications available across all trim levels
  • Seats2 - 5
  • Doors2 - 4
  • Fuel typeGas
  • TransmissionManual or Automatic
  • City consumption10.7 - 17.8 L/100km
  • Highway consumption7.2 - 12.5 L/100km
  • Width1723 - 1725 mm
  • Length4790 - 5248 mm
  • Trunk space439 L
  • Cargo space439 L
Exact values depend on trim and engine choice.

Trims available with the GMC Sonoma

What is a trim? Trims are different options of the same car with different features and equipment. The specs depend on the trim you choose.This variant of the GMC Sonoma 1995 - 2003 is available in 4 trims:

Basic trim features and specs

Available with the Basic trim:
  • Center arm rest between front seats (optional)
  • Emergency wheel
Available across all trims:
  • Front seats have lumbar support (optional)
  • Power steering
  • Spare wheel (optional)
Available with the Basic trim:
  • Alloy wheels (optional)
  • Steel wheels
Available across all trims:
  • Daytime running lights
  • Extended cab
  • Four-wheel drive (optional)
  • Regular cab
Available across all trims:
  • Anti-lock Braking System (ABS)
  • Disc brakes
  • Dusk sensor
  • Four-wheel drive
  • Front-driver airbag
  • Front-passenger airbag
  • Rear-wheel drive
Available with the Basic trim:
  • Cruise control (optional)
  • Radio
Available across all trims:
  • CD player (optional)
5 engines are available with the Basic trim:
2.2 L - Gas - 118 hp
City consumption:10.7 L/100km
Highway consumption:7.2 L/100km
Transmission:Manual
Range:-
2.2 L - Gas - 120 hp
City consumption:11.5 - 12.6 L/100km
Highway consumption:7.8 - 8.5 L/100km
Transmission:Manual or Automatic
Range:-
4.3 L - Gas - 175 hp
Combined consumption:-
Transmission:Manual
Range:-
4.3 L - Gas - 180 hp
Combined consumption:-
Transmission:Manual or Automatic
Range:-
4.3 L - Gas - 190 hp
City consumption:17.8 L/100km
Highway consumption:12.2 L/100km
Transmission:Manual
Range:-

SL trim features and specs

Available with the SL trim:
  • Center arm rest between front seats (optional)
  • Emergency wheel (optional)
Available across all trims:
  • Front seats have lumbar support (optional)
  • Power steering
  • Spare wheel (optional)
Available with the SL trim:
  • Alloy wheels (optional)
  • Catalytic converter
  • Steel wheels (optional)
Available across all trims:
  • Daytime running lights
  • Extended cab
  • Four-wheel drive (optional)
  • Regular cab
Available across all trims:
  • Anti-lock Braking System (ABS)
  • Disc brakes
  • Dusk sensor
  • Four-wheel drive
  • Front-driver airbag
  • Front-passenger airbag
  • Rear-wheel drive
Available with the SL trim:
  • Cruise control (optional)
  • Radio (optional)
Available across all trims:
  • CD player (optional)
6 engines are available with the SL trim:
2.2 L - Gas - 118 hp
City consumption:10.7 L/100km
Highway consumption:7.2 L/100km
Transmission:Manual
Range:1000 km
2.2 L - Gas - 120 hp
City consumption:10.8 - 11.5 L/100km
Highway consumption:7.4 - 7.8 L/100km
Transmission:Manual or Automatic
Range:-
4.3 L - Gas - 155 hp
Combined consumption:10 L/100km
Transmission:Manual
Range:760 km
4.3 L - Gas - 175 hp
City consumption:14.2 - 14.3 L/100km
Highway consumption:9.4 - 9.6 L/100km
Transmission:Manual
Range:-
4.3 L - Gas - 180 hp
City consumption:13.8 - 16.3 L/100km
Highway consumption:8.9 - 11.5 L/100km
Transmission:Manual or Automatic
Range:-
4.3 L - Gas - 190 hp
City consumption:14.7 - 17.8 L/100km
Highway consumption:10.6 - 12.5 L/100km
Transmission:Manual
Range:-

SLE trim features and specs

Available with the SLE trim:
  • Center arm rest between front seats
  • Electric windows (optional)
  • Emergency wheel (optional)
  • Leather steering wheel
Available across all trims:
  • Front seats have lumbar support (optional)
  • Power steering
  • Spare wheel (optional)
Available with the SLE trim:
  • Alloy wheels
  • Catalytic converter
  • Door mirrors electrically adjustable (optional)
  • Fog lights (optional)
  • Steel wheels (optional)
Available across all trims:
  • Daytime running lights
  • Extended cab
  • Four-wheel drive (optional)
  • Regular cab
Available across all trims:
  • Anti-lock Braking System (ABS)
  • Disc brakes
  • Dusk sensor
  • Four-wheel drive
  • Front-driver airbag
  • Front-passenger airbag
  • Rear-wheel drive
Available with the SLE trim:
  • Cruise control
  • Power door locks (optional)
  • Radio
Available across all trims:
  • CD player (optional)
6 engines are available with the SLE trim:
2.2 L - Gas - 118 hp
City consumption:10.7 L/100km
Highway consumption:7.2 L/100km
Transmission:Manual
Range:1000 km
2.2 L - Gas - 120 hp
City consumption:10.8 L/100km
Highway consumption:7.4 L/100km
Transmission:Manual
Range:-
4.3 L - Gas - 155 hp
Combined consumption:10 L/100km
Transmission:Manual
Range:760 km
4.3 L - Gas - 175 hp
City consumption:14.2 - 14.3 L/100km
Highway consumption:9.4 - 9.6 L/100km
Transmission:Manual
Range:-
4.3 L - Gas - 180 hp
City consumption:14.4 - 14.6 L/100km
Highway consumption:9.8 - 10 L/100km
Transmission:Manual
Range:-
4.3 L - Gas - 190 hp
City consumption:14.7 L/100km
Highway consumption:10.6 L/100km
Transmission:Manual
Range:-

SLS trim features and specs

Available with the SLS trim:
  • Center arm rest between front seats
  • Electric windows (optional)
  • Electrically adjustable front seats (optional)
  • Emergency wheel (optional)
  • Heated front seats (optional)
  • Leather steering wheel (optional)
Available across all trims:
  • Front seats have lumbar support (optional)
  • Power steering
  • Spare wheel (optional)
Available with the SLS trim:
  • Alloy wheels (optional)
  • Catalytic converter
  • Crew cab
  • Door mirrors electrically adjustable (optional)
  • Fog lights (optional)
  • Roof bars (optional)
  • Roof rails (optional)
  • Steel wheels (optional)
Available across all trims:
  • Daytime running lights
  • Extended cab
  • Four-wheel drive (optional)
  • Regular cab
Available across all trims:
  • Anti-lock Braking System (ABS)
  • Disc brakes
  • Dusk sensor
  • Four-wheel drive
  • Front-driver airbag
  • Front-passenger airbag
  • Rear-wheel drive
Available with the SLS trim:
  • CD disc changer (optional)
  • Cruise control (optional)
  • Power door locks (optional)
  • Radio (optional)
Available across all trims:
  • CD player (optional)
6 engines are available with the SLS trim:
2.2 L - Gas - 118 hp
City consumption:10.7 L/100km
Highway consumption:7.2 L/100km
Transmission:Manual
Range:1000 km
2.2 L - Gas - 120 hp
City consumption:10.8 - 12.6 L/100km
Highway consumption:7.4 - 8.5 L/100km
Transmission:Manual or Automatic
Range:-
4.3 L - Gas - 155 hp
Combined consumption:10 L/100km
Transmission:Manual
Range:760 km
4.3 L - Gas - 175 hp
City consumption:14.2 - 14.3 L/100km
Highway consumption:9.4 - 9.6 L/100km
Transmission:Manual
Range:-
4.3 L - Gas - 180 hp
City consumption:13.8 - 16.3 L/100km
Highway consumption:8.9 - 11.5 L/100km
Transmission:Manual or Automatic
Range:-
4.3 L - Gas - 190 hp
City consumption:14.7 - 17.8 L/100km
Highway consumption:10.6 - 12.5 L/100km
Transmission:Manual or Automatic
Range:-

Frequently asked questions about the GMC Sonoma

Yes, but not in North America. The North American Sonoma was discontinued in 2004, although the model is still manufactured and sold in Brazil.

SLS is trim designation. The "SL" code is found on a number of GMC vehicles. On the Sonoma, SLS is a standard trim.

The 2004 GMC Sonoma can range from around $800 to $10,000 depending on trim and extras on the chosen model.

The GMC Sonoma is classified as a compact pickup truck.

The Sonoma is available as a two-seat vehicle as standard, along with an optional crew cab version with three additional backseats.