HD SLT 4x4 Extended Cab 155.5 in. WB DRW
1999 GMC Sierra 3500 Specs

Interior
Front head room	40 "
Rear head room	38 "
Front shoulder room	65 "
Rear shoulder room	68 "
Front hip room	60 "
Rear hip room	66 "
Front leg room	41.5 "
Rear leg room	28.7 "
Maximum cargo capacity	40.5 cu.ft.
Standard seating	6

Exterior
Length	237.4 "
Body width	94.3 "
Body height	73.4 "
Wheelbase	155.5 "
Curb	5,836 lbs.
Gross weight	10,000 lbs.

Fuel
Fuel tank capacity	34.0 gal.

Performance
Base engine size	5.7 liters
Base engine type	V-8
Horsepower	255 hp
Horsepower rpm	4,600
Torque	330 lb-ft.
Torque rpm	2,800
Payload	4,184 lbs.
Maximum towing capacity	7,000 lbs.
Drive type	four-wheel
Turning radius	26.0 ''

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1999 GMC Sierra 3500 Specs

1999 GMC Sierra 3500 trims (24)

(HD SL) 4x2 Regular Cab 131.5 in. WB SRW

(HD SLT) 4x2 Regular Cab 131.5 in. WB SRW

(HD SLE) 4x2 Regular Cab 131.5 in. WB SRW

(HD SLT) 4x4 Regular Cab 131.5 in. WB SRW

(HD SLE) 4x4 Regular Cab 131.5 in. WB SRW

(HD SL) 4x4 Regular Cab 131.5 in. WB SRW

(HD SL) 4x2 Crew Cab 168.5 in. WB SRW

(HD SLT) 4x2 Crew Cab 168.5 in. WB SRW

(HD SLE) 4x2 Crew Cab 168.5 in. WB SRW

(HD SLT) 4x2 Extended Cab 155.5 in. WB DRW

(HD SLE) 4x2 Extended Cab 155.5 in. WB DRW

(HD SL) 4x2 Extended Cab 155.5 in. WB DRW

(SLT) 4x2 Crew Cab 6.6 ft. box DRW

(SLE) 4x2 Crew Cab 6.6 ft. box DRW

(SL) 4x2 Crew Cab 6.6 ft. box DRW

(HD SLT) 4x4 Extended Cab 155.5 in. WB DRW

(HD SLE) 4x4 Extended Cab 155.5 in. WB DRW

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