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1999 GMC Sonoma

1999 GMC Sonoma

Truck (Extended Cab)
four wheel drive
regular unleaded
Horsepower
180 hp
MPG Combined
MSRP
Torque
240 lb-ft
Reliability Score
99/ 100Excellent
Based on 78 NHTSA complaints

Should You Buy a 1999 GMC Sonoma?

The 1999 GMC Sonoma is an extended cab truck that offers a robust 4.3L V6 engine, delivering 180 horsepower and 240 lb-ft of torque. With a four-wheel drive system, it's well-suited for off-road adventures and challenging weather conditions. The 5-speed manual transmission provides a more engaging driving experience, appealing to those who enjoy hands-on control. However, potential buyers should be aware of its fuel efficiency, rated at 17 MPG combined, which may not be ideal for daily commuting. Despite its age, the Sonoma boasts a strong reliability score of 99.1/100, indicating that it can be a dependable choice for those in need of a workhorse vehicle.

While the Sonoma has its strengths, it is not without its issues. The NHTSA has recorded 78 complaints, with notable concerns surrounding the front seat recliner assembly and airbag systems. Although there have been crash and fire incidents, there have been no reported fatalities, which is a positive aspect. Buyers should weigh these factors carefully, especially if safety is a primary concern.

Ideal For

This vehicle is best suited for individuals seeking a reliable, rugged truck for both work and recreational use, particularly those who value manual transmission and off-road capability.

Strengths

  • +Strong reliability score of 99.1/100
  • +Robust 4.3L V6 engine with good torque for towing
  • +Four-wheel drive capability for off-road use
  • +Engaging 5-speed manual transmission
  • +Extended cab design offers additional passenger space

Weaknesses

  • -Fuel efficiency rated at only 17 MPG combined
  • -Notable complaints regarding safety features like airbags
  • -Limited modern amenities compared to newer trucks
  • -Potential issues with front seat recliner durability
  • -Age-related wear may affect overall condition

Known Issues (NHTSA Data)

The 1999 GMC Sonoma has a total of 78 complaints reported to the NHTSA, with significant issues related to the front seat recliner and airbag systems. Other concerns include the antilock brake system and automatic transmission. While these issues warrant attention, there have been no significant NHTSA complaints on record regarding fatalities, indicating a relatively safe vehicle overall.

Top Complaint Areas
SEATS:FRONT ASSEMBLY:RECLINER8% of complaints
AIR BAGS:FRONTAL5% of complaints
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP5% of complaints
POWER TRAIN:AUTOMATIC TRANSMISSION5% of complaints
STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS5% of complaints

Performance

Horsepower
180 hp
Torque
240 lb-ft
Engine
4.3 L
Cylinders
V6
Transmission
4-speed automatic
Drive Type
four wheel drive

Efficiency

MPG Combined
Fuel Type
regular unleaded

Dimensions

Length
Width
Height
Wheelbase
Curb Weight
3,753 lbs
Ground Clearance

Capacity

Doors
2
Seating
Cargo
Max Cargo
Max Towing
Max Payload

Estimated Value

Value estimate unavailable. MSRP data not available for this vehicle.

Estimated Cost of Ownership

Estimated Annual Cost
$5,044
Per Mile
$0.42
5-Year Total
$25,220
Fuel
$2,471/yr
Maintenance
$750/yr
Insurance
$1,823/yr
Based on industry-standard estimates for this vehicle class. Fuel cost assumes 12,000 mi/yr at national average gas prices. Maintenance uses class-based intervals, not manufacturer-specific schedules. Actual costs vary by location, driving habits, and vehicle condition.

Available Trims (9)

Sonoma
SLS Sport 2dr Extended Cab 4WD SB (4.3L 6cyl naturally aspired 5M) (4-speed automatic)
180 hp
four wheel drive
Sonoma
SLE 2dr Regular Cab SB (2.2L 4cyl naturally aspired 5M) (4-speed automatic)
120 hp
rear wheel drive
Sonoma
SL 2dr Regular Cab SB (2.2L 4cyl naturally aspired 5M) (4-speed automatic)
120 hp
rear wheel drive
Sonoma 2WD
RWD
Sonoma 2WD
RWD
Sonoma 2WD
RWD
Sonoma 2WD
RWD
Sonoma 4WD
AWD/4WD
Sonoma 4WD
AWD/4WD

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