1998 GMC Sierra 2500 specs & colors
Extended Cab Pickup
MSRP
- Reg Cab 131.5" WB
- $18,002
- HD Reg Cab 131.5" WB C6P
- $19,050
- Ext Cab 141.5" WB
- $20,618
- HD Ext Cab 155.5" WB C6P
- $20,654
- HD Reg Cab 131.5" WB 4WD C6P
- $21,805
- HD Ext Cab 141.5" WB 4WD C6P
- $23,760
- HD Ext Cab 155.5" WB 4WD C6P
- $23,887
$20,618
Starting MSRP
Current listing price
Current listing price

Showing the 1998 GMC Sierra 2500 Ext Cab 141.5" WB
Shop NowKey specs
Color options
Interior
Taupe
Dark Ruby Red
Gray
Navy
Packages
$4,516
Starting MSRP
- SLT decor
- air cond
- tilt wheel
See more detail $4,516
Starting MSRP
- SLT decor
- air cond
- tilt wheel
- speed control
- ETR AM/FM stereo w/cassette/auto tone control
- remote keyless entry
- leather seat trim
- pwr driver seat
$0
Starting MSRP
- SL decor
$3,036
Starting MSRP
- SLE decor
- air cond,ETR AM/FM stereo w/cassette
- tilt wheel
See more detail $3,036
Starting MSRP
- SLE decor
- air cond,ETR AM/FM stereo w/cassette
- tilt wheel
- speed control
$1,337
Starting MSRP
- SL decor
- air cond,ETR AM/FM stereo w/cassette
- tilt wheel
See more detail $1,337
Starting MSRP
- SL decor
- air cond,ETR AM/FM stereo w/cassette
- tilt wheel
- speed control
Specifications
Highlights
Gas V8
Engine Type
|
15 City / 20 Hwy
MPG
|
255 hp
230 hp 180 hp Horsepower
|
3
Seating Capacity
|
Brakes
Not Available
Brake ABS System (Second Line)
|
Four Wheel
Brake ABS System
|
Yes
Disc - Front (Yes or )
|
11.57 x 1.25 in
Front Brake Rotor Diam x Thickness
|
Not Available
Disc - Rear (Yes or )
|
Not Available in
Rear Brake Rotor Diam x Thickness
|
Yes
Drum - Rear (Yes or )
|
Power
Brake Type
|
Electrical
600
Cold Cranking Amps @ 0° F (Primary)
|
100
Maximum Alternator Capacity (amps)
|
Engine
5.0L/305
Displacement
|
230 @ 4600
SAE Net Horsepower @ RPM
|
Gas V8
Engine Type
|
285 @ 2800
SAE Net Torque @ RPM
|
M/T
A/T 5-Speed M/T 4-Speed A/T Transmission Options
|
15 City / 20 Hwy
MPG
|
16.7 qts
Total Cooling System Capacity
|
Measurements
33 in
Ground to Top of Load Floor
|
79 in
Cargo Box Length @ Floor
|
42 in
Front Leg Room
|
71 in
Height, Overall
|
40 in
Front Head Room
|
56 ft³
Cargo Volume
|
N/A
Length, Overall
|
6
Passenger Capacity
|
65 in
Front Shoulder Room
|
Not Available in
Cab to End of Frame
|
64 in
Cargo Box Width @ Floor
|
38 in
Second Head Room
|
62 in
Tailgate Width
|
60 in
Cargo Box Width @ Top, Rear
|
7 in
Ground Clearance, Rear
|
41 ft³
Ext'd Cab Cargo Volume
|
77 in
Width, Max w/o mirrors
|
66 in
Second Hip Room
|
49 in
Cargo Box Width @ Wheelhousings
|
N/A
Length, Overall w/rear bumper
|
142 in
Wheelbase
|
68 in
Second Shoulder Room
|
219 in
Length, Overall w/o rear bumper
|
29 in
Second Leg Room
|
41 in
Overhang, Rear w/o bumper
|
60 in
Front Hip Room
|
8 in
Ground Clearance, Front
|
19 in
Cargo Box (Area) Height
|
35 in
Overhang, Front
|
Steering
N/A
Steering Ratio (:1), Overall
|
47 ft
Turning Diameter - Curb to Curb
|
Power
Steering Type
|
51 ft
Turning Diameter - Wall to Wall
|
Suspension
Not Available
Axle Type - Front
|
Indep Coil Spring
Suspension Type - Front
|
2-Stage Multi-Leaf
Suspension Type - Rear
|
Semi-Floating
Axle Type - Rear
|
Tires & Wheels
16 x 6.5 in
Front Wheel Size
|
LT225/75R16D
Front Tire Size
|
LT225/75R16D
Spare Tire Size
|
Steel
Spare Wheel Material
|
Steel
Rear Wheel Material
|
LT225/75R16D
Rear Tire Size
|
Steel
Front Wheel Material
|
16 x 6.5 in
Rear Wheel Size
|
16 x 6.5 in
Spare Wheel Size
|
Weight & Capacity
4,432 lbs
As Spec'd Curb Weight
|
1,000 lbs
Wt Distributing Hitch - Max Tongue Wt.
|
N/A
Base Curb Weight
|
8,270 lbs
Gross Axle Weight Rating
|
2,768 lbs
Maximum Payload Capacity
|
0 lbs
Option Weight - Front
|
2,768 lbs
As Spec'd Payload
|
Not Available lbs
Fifth Wheel Hitch - Max Trailer Wt.
|
0 lbs
Option Weight - Rear
|
Not Available lbs
Fifth Wheel Hitch - Max Tongue Wt.
|
1,831 lbs
Curb Weight - Rear
|
0 lbs
Total Option Weight
|
2,000 lbs
Wt Distributing Hitch - Max Trailer Wt.
|
25 gal
Fuel Tank Capacity, Approx
|
Not Available gal
Aux Fuel Tank Capacity, Approx
|
2,601 lbs
Curb Weight - Front
|
500 lbs
Dead Weight Hitch - Max Tongue Wt.
|
7,200 lbs
Gross Vehicle Weight Rating
|
N/A
Maximum Trailering Capacity
|
2,000 lbs
Dead Weight Hitch - Max Trailer Wt.
|
8,000 lbs
Gross Combined Wt Rating
|
4,432 lbs
Curb Weight
|
Compare trims

Wondering which trim is right for you?
Our 1998 GMC Sierra 2500 trim comparison will help you decide.