1994-2004 GMC Sonoma Specs & Safety - Consumer Guide Automotive

Detailed safety information for this generation GMC Sonoma include detailed crash test scores from the NHTSA. Specs for this generation GMC Sonomainclude everything from fuel mileage to seating capacity to options availability.

1994-2004 GMC Sonoma Specs & Safety

Vehicle Dimensions

Specification	crew cab	ext. cab	reg. cab long bed	reg. cab short bed

Wheelbase, in.	122.9	122.9	117.9	108.3

Overall Length, in.	205.3	203.7	205.0	189.0

Overall Width, in.	67.8	67.9	67.9	67.9

Overall Height, in.	63.4	62.2	62.1	62.1

Curb Weight, lbs.	4039	3168	2983	2930

Cargo Volume, cu. ft.	--	--	--	--

Standard Payload, lbs.	1111	1461	1727	1667

Fuel Capacity, gals.	18.0	20.0	20.0	20.0

Seating Capacity	5	5	3	3

Front Head Room, in.	39.6	39.5	39.5	39.5

Max. Front Leg Room, in.	42.4	43.2	43.2	43.2

Rear Head Room, in.	38.2	--	--	--

Max. Rear Leg Room, in.	34.6	--	--	--

Specifications Key: NA = not available; "--" = measurement does not exist.

Powertrain Options and Availability

Sonomas had a choice of three engines: 2.2-liter 4-cylinder, 165-horsepower 4.3-liter V6, and an "enhanced" 4.3-liter V6 that delivered 30 extra horsepower. In 1995, the 4.3-liter dipped from 165 to 155 horsepower, while the "enhanced" version dropped to 191. For '96, the revised 4.3-liter Vortec V6 jumped to 180 horsepower (but just 170 horses with 2WD, where the V6 was an option). A high-output version now made 190 horsepower with 4WD or 180 with 2WD. In 1997, the regular V6 was rated at 180 horsepower with 4WD, or 175 with 2WD. Those ratings grew to 190 and 180, respectively, for 2000. Most Sonomas could have 5-speed manual shift, or an electronic 4-speed automatic transmission.

Engines	Size liters / cu. in	Horse- power	Torque	Transmission: EPA city/hgwy	Consumer Guide Observed

ohv I4	2.2 / 134	118-120	130-140	5-speed manual: 23/30 4-speed automatic: 20/27	5-speed manual: 22.3 4-speed automatic: --

ohv V6	4.3 / 262	155-180	235-245	5-speed manual: 18/25 4-speed automatic: 19/24	5-speed manual: -- 4-speed automatic: 18.4

ohv V6	4.3 / 262	180-195	245-260	5-speed manual: 18/25 4-speed automatic: 20/24	5-speed manual: -- 4-speed automatic: 18

Specifications Key: NA = not available; "--" = measurement does not exist.

NHTSA Crash-Test Results

Test	1999 Sonoma

Front Impact, Driver	3

Front Impact, Passenger	3

The National Highway Traffic Safety Administration (NHTSA) tests a vehicle's worthiness in front- and side-impact collisions and rates its resistance to rollovers. Front-impact crash-test numbers indicate the chance of serious injury: 5 = 10% or less; 4 = 10-20%; 3 = 20-35%; 2 = 35-45%; 1 = More than 45%. Side-impact crash-test numbers indicate: 5 = 5% or less; 4 = 6-10%; 3 = 11-20%; 2 = 21-25%; 1 = More than 26%. Rollover resistance numbers indicate the chance for rollover when the vehicle leaves the roadway: 5 = Less than 10%; 4 = 10-20%; 3 = 20-30%; 2 = 30-40%; 1 = More than 40%.

Built In: USA

Drive Wheels: longitudinal front-engine/rear- or 4-wheel drive

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