1985 GMC Suburban
US · Special Purpose Vehicle 2WD
The 1985 GMC Suburban is listed in the US market. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 5.0L 8-cylinder (GM-CHEV), 5.7L 8-cylinder (350 V8), 5.7L 8-cylinder (350 V8) (FFS) CA model), 6.2L 8-cylinder, 6.2L 8-cylinder (CA model)
- Transmission
- Varies by configuration: 4-speed automatic, 4-speed manual
- Drivetrain
- Varies by configuration: RWD, AWD
- Fuel
- Varies by configuration: Gasoline, Diesel
- Economy
- 11 mpg (21.4 L/100 km) to 18 mpg (13.1 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 5.0L 8-cylinder (GM-CHEV), 5.7L 8-cylinder (350 V8), 5.7L 8-cylinder (350 V8) (FFS) CA model), 6.2L 8-cylinder, 6.2L 8-cylinder (CA model) | |
| Displacement | 5.0 L to 6.2 L | |
| Cylinders | 8 | |
| Fuel type | Varies by configuration: Gasoline, Diesel | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Varies by configuration: Automatic, Manual | |
| Gears | 4 | |
| Drivetrain | Varies by configuration: RWD, AWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 11 mpg (21.4 L/100 km) to 18 mpg (13.1 L/100 km) | EPA fueleconomy.gov |
| City | 10 mpg (23.5 L/100 km) to 15 mpg (15.7 L/100 km) | |
| Highway | 13 mpg (18.1 L/100 km) to 22 mpg (10.7 L/100 km) |
Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
10 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
- C15 Suburban 2WD · 5.0L · RWD · 4-speed automatic
- C15 Suburban 2WD · 5.7L · RWD · 4-speed automatic
- C15 Suburban 2WD · 5.7L · RWD · 4-speed automatic
- C15 Suburban 2WD · 6.2L · RWD · 4-speed automatic · Diesel
- C15 Suburban 2WD · 6.2L · RWD · 4-speed automatic · Diesel
- K15 Suburban 4WD · 5.7L · AWD · 4-speed automatic
- K15 Suburban 4WD · 5.7L · AWD · 4-speed automatic
- K15 Suburban 4WD · 5.7L · AWD · 4-speed manual
- K15 Suburban 4WD · 6.2L · AWD · 4-speed automatic · Diesel
- K15 Suburban 4WD · 6.2L · AWD · 4-speed automatic · Diesel
Recalls
No recall campaigns were found in NHTSA data at the last check. Last checked November 9, 2026.
Data sources
- EPA fueleconomy.gov · retrieved October 24, 2026 · US Government public data
- NHTSA vPIC · retrieved October 24, 2026 · US Government public data
Source checked: October 24, 2026
Data verified: October 24, 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.
Related vehicles
- 1984 GMC Suburban
Varies by configuration: Gasoline, Diesel
Varies by configuration: 5.0L 8-cylinder ((GM-CHEV)), 5.7L 8-cylinder ((350 V8)), 6.2L 8-cylinder ((DIESEL)), 5.7L 8-cylinder ((350 V8) (FFS) CA model), 6.2L 8-cylinder (DIESEL CA model), 6.2L 8-cylinder ((DIESEL) CA model) · AWD
18 mpg (13.1 L/100 km) to 11 mpg (21.4 L/100 km) - 1986 GMC Suburban
Varies by configuration: Gasoline, Diesel
Varies by configuration: 5.0L 8-cylinder ((305)), 5.7L 8-cylinder ((350 V8) (FFS)), 5.7L 8-cylinder ((350 V8)), 6.2L 8-cylinder ((NO-CAT)) · Varies by configuration: RWD, AWD
18 mpg (13.1 L/100 km) to 11 mpg (21.4 L/100 km)
Frequently asked questions
What engine does the 1985 GMC Suburban have?
Varies by configuration: 5.0L 8-cylinder ((GM-CHEV)), 5.7L 8-cylinder ((350 V8)), 5.7L 8-cylinder ((350 V8) (FFS) CA model), 6.2L 8-cylinder, 6.2L 8-cylinder (CA model). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 1985 GMC Suburban?
Combined fuel economy is 11 mpg (21.4 L/100 km) to 18 mpg (13.1 L/100 km), as published by the source shown in the specification table.
Is the 1985 GMC Suburban front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, AWD.
Are there recalls for the 1985 GMC Suburban?
No recall campaigns were found in NHTSA data when we last checked on November 9, 2026. Recall status can change, so confirm with NHTSA or the manufacturer.