1998 GMC Sierra
US · Pickup · Standard Pickup Trucks 2WD
The 1998 GMC Sierra is listed in the US market as a pickup. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 4.3L 6-cylinder, 5.0L 8-cylinder, 5.7L 8-cylinder ((350 V8)), 6.5L 8-cylinder turbocharged
- Power
- Not available
- Torque
- Not available
- Transmission
- Varies by configuration: Automatic, Manual
- Drivetrain
- Varies by configuration: RWD, AWD
- Fuel
- Varies by configuration: Gasoline, Diesel
- Seating
- Not available
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 4.3L 6-cylinder, 5.0L 8-cylinder, 5.7L 8-cylinder ((350 V8)), 6.5L 8-cylinder turbocharged | |
| Displacement | 4.3 L to 6.5 L | |
| Cylinders | 6 to 8 | |
| Aspiration | Turbocharged | |
| Fuel type | Varies by configuration: Gasoline, Diesel | EPA fueleconomy.gov |
Not available from our sources: Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Varies by configuration: Automatic, Manual | |
| Gears | 4 to 5 | |
| Drivetrain | Varies by configuration: RWD, AWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 18 mpg (13.1 L/100 km) to 13 mpg (18.1 L/100 km) | EPA fueleconomy.gov |
| City | 16 mpg (14.7 L/100 km) to 11 mpg (21.4 L/100 km) | |
| Highway | 21 mpg (11.2 L/100 km) to 16 mpg (14.7 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
18 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
- Sierra 1500 2WD · 4.3L · RWD · 4-speed automatic
- Sierra 1500 2WD · 4.3L · RWD · 5-speed manual
- Sierra 1500 2WD · 5.0L · RWD · 4-speed automatic
- Sierra 1500 2WD · 5.0L · RWD · 5-speed manual
- Sierra 1500 2WD · 5.7L · RWD · 4-speed automatic
- Sierra 1500 2WD · 5.7L · RWD · 5-speed manual
- Sierra 1500 4WD · 4.3L · AWD · 4-speed automatic
- Sierra 1500 4WD · 4.3L · AWD · 5-speed manual
- Sierra 1500 4WD · 5.0L · AWD · 4-speed automatic
- Sierra 1500 4WD · 5.0L · AWD · 5-speed manual
- Sierra 1500 4WD · 5.7L · AWD · 4-speed automatic
- Sierra 1500 4WD · 5.7L · AWD · 5-speed manual
- Sierra 1500 4WD · 6.5L · AWD · 4-speed automatic · Diesel
- Sierra 2500 2WD · 5.0L · RWD · 4-speed automatic
- Sierra 2500 2WD · 5.0L · RWD · 5-speed manual
- Sierra 2500 2WD · 5.7L · RWD · 4-speed automatic
- Sierra 2500 2WD · 5.7L · RWD · 5-speed manual
- Sierra 2500 2WD · 6.5L · RWD · 4-speed automatic · Diesel
Recalls
No recall campaigns were found in NHTSA data at the last check. Last checked October 19, 2026.
Data sources
- EPA fueleconomy.gov · retrieved October 19, 2026 · US Government public data
- NHTSA vPIC · retrieved October 19, 2026 · US Government public data
Source checked: October 19, 2026
Data verified: October 19, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
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Frequently asked questions
What engine does the 1998 GMC Sierra have?
Varies by configuration: 4.3L 6-cylinder, 5.0L 8-cylinder, 5.7L 8-cylinder ((350 V8)), 6.5L 8-cylinder turbocharged. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 1998 GMC Sierra?
Combined fuel economy is 18 mpg (13.1 L/100 km) to 13 mpg (18.1 L/100 km), as published by the source shown in the specification table.
Is the 1998 GMC Sierra front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, AWD.
Are there recalls for the 1998 GMC Sierra?
No recall campaigns were found in NHTSA data when we last checked on October 19, 2026. Recall status can change, so confirm with NHTSA or the manufacturer.