1999 GMC Sierra 1500 SL specs & colors
Extended Cab Pickup
MSRP
- Reg Cab 119.0" WB SL
- $15,955
- Reg Cab 133.0" WB SL
- $16,255
- Reg Cab 119.0" WB 4WD SL
- $19,032
- Reg Cab 133.0" WB 4WD SL
- $19,332
- Reg Cab 119.0" WB SLE
- $19,833
- Reg Cab 133.0" WB SLE
- $20,133
- Ext Cab 143.5" WB SL
- $22,020
- Ext Cab 157.5" WB SL
- $22,320
- Ext Cab 141.5" WB
- $22,796
- Reg Cab 119.0" WB 4WD SLE
- $22,895
- Reg Cab 133.0" WB 4WD SLE
- $23,195
- Ext Cab 143.5" WB SLE
- $24,268
- Ext Cab 157.5" WB SLE
- $24,568
- Ext Cab 143.5" WB 4WD SL
- $25,082
- Ext Cab 157.5" WB 4WD SL
- $25,382
- Ext Cab 141.5" WB 4WD
- $25,946
- Ext Cab 143.5" WB 4WD SLE
- $27,330
- Ext Cab 157.5" WB 4WD SLE
- $27,630
$22,020
Starting MSRP
Current listing price
Current listing price
Showing the 1999 GMC Sierra 1500 Ext Cab 143.5" WB SL
Shop NowKey specs
Color options
Interior
Graphite
Camel
Navy
Pewter Gray
Packages
$625
Starting MSRP
- SL decor
- argent painted cast aluminum wheels
- chrome grille surround/rear bumper,black body-side moldings
$0
Starting MSRP
- SL decor
Specifications
Highlights
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Gas V8
Engine Type
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16 City / 20 Hwy
MPG
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255 hp
270 hp 200 hp Horsepower
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6
Seating Capacity
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Brakes
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Pwr
Brake Type
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Four-Wheel
Brake ABS System
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Not Available
Brake ABS System (Second Line)
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Yes
Disc - Front (Yes or )
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Yes
Disc - Rear (Yes or )
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12.0 x 1.14 in
Front Brake Rotor Diam x Thickness
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12.6 x 0.79 in
Rear Brake Rotor Diam x Thickness
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Not Available
Drum - Rear (Yes or )
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Electrical
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600
Cold Cranking Amps @ 0° F (Primary)
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105
Maximum Alternator Capacity (amps)
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Engine
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Gas V8
Engine Type
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4.8L/293
Displacement
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255 @ 5200
SAE Net Horsepower @ RPM
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285 @ 4000
SAE Net Torque @ RPM
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M/T
Transmission Overdrive Switch A/T 5-Speed M/T 4-Speed A/T Transmission Options
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16 City / 20 Hwy
MPG
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13.4 qts
Total Cooling System Capacity
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Measurements
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41 in
Front Head Room
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41 in
Front Leg Room
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65 in
Front Shoulder Room
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61 in
Front Hip Room
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38 in
Second Head Room
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34 in
Second Leg Room
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66 in
Second Shoulder Room
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62 in
Second Hip Room
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144 in
Wheelbase
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228 in
Length, Overall w/o rear bumper
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N/A
Length, Overall w/rear bumper
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N/A
Length, Overall
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79 in
Width, Max w/o mirrors
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71 in
Height, Overall
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37 in
Overhang, Front
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47 in
Overhang, Rear w/o bumper
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79 in
Cab to End of Frame
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31 in
Ground to Top of Load Floor
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8 in
Ground Clearance, Front
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8 in
Ground Clearance, Rear
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79 in
Cargo Box Length @ Floor
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62 in
Cargo Box Width @ Top, Rear
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60 in
Cargo Box Width @ Floor
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50 in
Cargo Box Width @ Wheelhousings
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20 in
Cargo Box (Area) Height
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61 in
Tailgate Width
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57 ft³
Cargo Volume
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50 ft³
Ext'd Cab Cargo Volume
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6
Passenger Capacity
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Steering
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Pwr
Steering Type
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N/A
Steering Ratio (:1), Overall
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47 ft
Turning Diameter - Curb to Curb
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N/A
Turning Diameter - Wall to Wall
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Suspension
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Indep Coil Spring
Suspension Type - Front
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2-Stage Multi-Leaf
Suspension Type - Rear
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Hypoid
Axle Type - Front
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Semi-Floating
Axle Type - Rear
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Tires & Wheels
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P235/75R16
Front Tire Size
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P235/75R16
Rear Tire Size
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P235/75R16
Spare Tire Size
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16 x 6.5 in
Front Wheel Size
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16 x 6.5 in
Rear Wheel Size
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16 x 6.5 in
Spare Wheel Size
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Steel
Front Wheel Material
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Steel
Rear Wheel Material
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Steel
Spare Wheel Material
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Weight & Capacity
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26 gal
Fuel Tank Capacity, Approx
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Not Available gal
Aux Fuel Tank Capacity, Approx
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7,250 lbs
Gross Axle Weight Rating
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4,234 lbs
Curb Weight
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0 lbs
Total Option Weight
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6,200 lbs
Gross Vehicle Weight Rating
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N/A
Base Curb Weight
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2,413 lbs
Curb Weight - Front
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1,821 lbs
Curb Weight - Rear
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0 lbs
Option Weight - Front
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0 lbs
Option Weight - Rear
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4,234 lbs
As Spec'd Curb Weight
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1,966 lbs
As Spec'd Payload
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1,966 lbs
Maximum Payload Capacity
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8,500 lbs
Gross Combined Wt Rating
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5,500 lbs
Dead Weight Hitch - Max Trailer Wt.
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600 lbs
Dead Weight Hitch - Max Tongue Wt.
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5,000 lbs
Wt Distributing Hitch - Max Trailer Wt.
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500 lbs
Wt Distributing Hitch - Max Tongue Wt.
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5,000 lbs
Fifth Wheel Hitch - Max Trailer Wt.
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750 lbs
Fifth Wheel Hitch - Max Tongue Wt.
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N/A
Maximum Trailering Capacity
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Compare trims
Wondering which trim is right for you?
Our 1999 GMC Sierra 1500 trim comparison will help you decide.