1998 GMC Sierra 1500 specs & colors
Extended Cab Pickup
MSRP
- Reg Cab 117.5" WB
- $15,100
- Reg Cab 131.5" WB
- $15,420
- Reg Cab 117.5" WB
- $16,525
- Reg Cab 131.5" WB
- $16,825
- Reg Cab Sportside 117.5" WB
- $17,100
- Ext Cab 141.5" WB
- $18,525
- Reg Cab 117.5" WB 4WD
- $18,800
- Reg Cab 131.5" WB 4WD
- $19,120
- Ext Cab 155.5" WB
- $19,320
- Reg Cab 117.5" WB 4WD
- $19,525
- Reg Cab 131.5" WB 4WD
- $19,825
- Reg Cab Sportside 117.5" WB 4WD
- $20,100
- Ext Cab 141.5" WB 4WD
- $21,525
- Ext Cab 155.5" WB 4WD
- $22,320
- Ext Cab Sportside 141.5" WB
- $23,269
- Ext Cab Sportside 141.5" WB 4WD
- $26,269
$23,269
Starting MSRP
Current listing price
Current listing price

Showing the 1998 GMC Sierra 1500 Ext Cab Sportside 141.5" WB
Shop NowKey specs
Color options
Interior
Taupe
Dark Ruby Red
Gray
Navy
Packages
$0
Starting MSRP
- SLE decor
$1,820
Starting MSRP
- SLT decor
- aluminum wheels
- ETR AM/FM stereo w/cassette/ auto tone control
See more detail $1,820
Starting MSRP
- SLT decor
- aluminum wheels
- ETR AM/FM stereo w/cassette/ auto tone control
- remote keyless entry
- leather seat trim
- pwr driver seat
$1,040
Starting MSRP
- SLE decor
- aluminum wheels
- 5.7L engine
$2,520
Starting MSRP
- SLT decor
- aluminum wheels
- ETR AM/FM stereo w/cassette/auto tone control remote keyless entry
See more detail $2,520
Starting MSRP
- SLT decor
- aluminum wheels
- ETR AM/FM stereo w/cassette/auto tone control remote keyless entry
- leather seat trim
- pwr driver seat
- 5.7L engine
Specifications
Highlights
Gas V8
Engine Type
|
15 City / 20 Hwy
MPG
|
255 hp
230 hp Horsepower
|
5
Seating Capacity
|
Brakes
Yes
Drum - Rear (Yes or )
|
Not Available in
Rear Brake Rotor Diam x Thickness
|
11.57 x 1.25 in
Front Brake Rotor Diam x Thickness
|
Not Available
Disc - Rear (Yes or )
|
Yes
Disc - Front (Yes or )
|
Not Available
Brake ABS System (Second Line)
|
Four Wheel
Brake ABS System
|
Power
Brake Type
|
Electrical
100
Maximum Alternator Capacity (amps)
|
600
Cold Cranking Amps @ 0° F (Primary)
|
Engine
285 @ 2800
SAE Net Torque @ RPM
|
230 @ 4600
SAE Net Horsepower @ RPM
|
5.0L/305
Displacement
|
Gas V8
Engine Type
|
A/T
4-Speed A/T Transmission Options
|
15 City / 20 Hwy
MPG
|
16.7 qts
Total Cooling System Capacity
|
Measurements
6
Passenger Capacity
|
41 ft³
Ext'd Cab Cargo Volume
|
42 ft³
Cargo Volume
|
51 in
Tailgate Width
|
19 in
Cargo Box (Area) Height
|
Not Available in
Cargo Box Width @ Wheelhousings
|
49 in
Cargo Box Width @ Floor
|
49 in
Cargo Box Width @ Top, Rear
|
79 in
Cargo Box Length @ Floor
|
7 in
Ground Clearance, Rear
|
7 in
Ground Clearance, Front
|
31 in
Ground to Top of Load Floor
|
Not Available in
Cab to End of Frame
|
42 in
Overhang, Rear w/o bumper
|
35 in
Overhang, Front
|
71 in
Height, Overall
|
77 in
Width, Max w/o mirrors
|
N/A
Length, Overall
|
N/A
Length, Overall w/rear bumper
|
219 in
Length, Overall w/o rear bumper
|
142 in
Wheelbase
|
66 in
Second Hip Room
|
68 in
Second Shoulder Room
|
29 in
Second Leg Room
|
38 in
Second Head Room
|
60 in
Front Hip Room
|
65 in
Front Shoulder Room
|
42 in
Front Leg Room
|
40 in
Front Head Room
|
Steering
51 ft
Turning Diameter - Wall to Wall
|
47 ft
Turning Diameter - Curb to Curb
|
N/A
Steering Ratio (:1), Overall
|
Power
Steering Type
|
Suspension
Semi-Floating
Axle Type - Rear
|
Not Available
Axle Type - Front
|
2-Stage Multi-Leaf
Suspension Type - Rear
|
Indep Coil Spring
Suspension Type - Front
|
Tires & Wheels
Steel
Spare Wheel Material
|
Steel
Rear Wheel Material
|
Steel
Front Wheel Material
|
15 x 7 in
Spare Wheel Size
|
15 x 7 in
Rear Wheel Size
|
15 x 7 in
Front Wheel Size
|
P235/75R15
Spare Tire Size
|
P235/75R15
Rear Tire Size
|
P235/75R15
Front Tire Size
|
Weight & Capacity
N/A
Maximum Trailering Capacity
|
Not Available lbs
Fifth Wheel Hitch - Max Tongue Wt.
|
Not Available lbs
Fifth Wheel Hitch - Max Trailer Wt.
|
1,000 lbs
Wt Distributing Hitch - Max Tongue Wt.
|
10,000 lbs
Wt Distributing Hitch - Max Trailer Wt.
|
500 lbs
Dead Weight Hitch - Max Tongue Wt.
|
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
|
10,500 lbs
Gross Combined Wt Rating
|
2,045 lbs
Maximum Payload Capacity
|
2,045 lbs
As Spec'd Payload
|
4,155 lbs
As Spec'd Curb Weight
|
0 lbs
Option Weight - Rear
|
0 lbs
Option Weight - Front
|
1,701 lbs
Curb Weight - Rear
|
2,454 lbs
Curb Weight - Front
|
N/A
Base Curb Weight
|
6,200 lbs
Gross Vehicle Weight Rating
|
0 lbs
Total Option Weight
|
4,155 lbs
Curb Weight
|
7,186 lbs
Gross Axle Weight Rating
|
Not Available gal
Aux Fuel Tank Capacity, Approx
|
25 gal
Fuel Tank Capacity, Approx
|
Compare trims

Wondering which trim is right for you?
Our 1998 GMC Sierra 1500 trim comparison will help you decide.