1990 GMC K2500 Sierra Specs, MPG & Trims

EPA fuel-economy data and specifications for the 1990 GMC K2500 Sierra (12–16 MPG combined) across 12 listed configurations.

Overview

Body class
Standard Pickup Trucks
Drive
4-Wheel or All-Wheel Drive
Engine
6-cyl, 4.3 L; 8-cyl, 5.0 L; 8-cyl, 5.7 L; 8-cyl, 6.2 L
Fuel type
Regular Gasoline, Diesel
Combined MPG
12–16 MPG
Annual fuel cost
$4,200–$6,000
Configurations
12

MPG & fuel economy

City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.

EPA city, highway and combined ratings by powertrain for the 1990 GMC K2500 Sierra. Electric configurations are rated in MPGe.
PowertrainCityHighwayCombinedAnnual fuel costCO2
8-cyl 6.2 L · Diesel · 4-Wheel or All-Wheel Drive1517–2016$6,000—
6-cyl 4.3 L · Regular Gasoline · 4-Wheel or All-Wheel Drive14–1515–1914–16$4,200–$4,800—
8-cyl 5.0 L · Regular Gasoline · 4-Wheel or All-Wheel Drive11–1213–1712–14$4,800–$5,600—
8-cyl 5.7 L · Regular Gasoline · 4-Wheel or All-Wheel Drive1113–1512–13$5,150–$5,600—

Configurations & engine comparison

Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.

Every EPA-listed configuration for the 1990 GMC K2500 Sierra (12 rows). "Configuration" is the EPA configuration/engine name.
Configuration / engineDriveTransmissionCyl.Displ. (L)Fuel typeCityHwyComb.Annual cost
K2500 Sierra 4WD4-Wheel or All-Wheel DriveAutomatic 3-spd64.3Regular Gasoline141514$4,800
K2500 Sierra 4WD4-Wheel or All-Wheel DriveAutomatic 3-spd85.0Regular Gasoline111312$5,600
K2500 Sierra 4WD4-Wheel or All-Wheel DriveAutomatic 4-spd64.3Regular Gasoline141816$4,200
K2500 Sierra 4WD4-Wheel or All-Wheel DriveAutomatic 4-spd85.0Regular Gasoline121614$4,800
K2500 Sierra 4WD4-Wheel or All-Wheel DriveAutomatic 4-spd85.7Regular Gasoline111513$5,150
K2500 Sierra 4WD4-Wheel or All-Wheel DriveAutomatic 4-spd86.2Diesel152016$6,000
K2500 Sierra 4WD4-Wheel or All-Wheel DriveManual 4-spd64.3Regular Gasoline141615$4,450
K2500 Sierra 4WD4-Wheel or All-Wheel DriveManual 4-spd85.7Regular Gasoline111312$5,600
K2500 Sierra 4WD4-Wheel or All-Wheel DriveManual 4-spd86.2Diesel151716$6,000
K2500 Sierra 4WD4-Wheel or All-Wheel DriveManual 5-spd64.3Regular Gasoline151916$4,200
K2500 Sierra 4WD4-Wheel or All-Wheel DriveManual 5-spd85.0Regular Gasoline121714$4,800
K2500 Sierra 4WD4-Wheel or All-Wheel DriveManual 5-spd85.7Regular Gasoline111513$5,150

Frequently asked questions

What is the combined MPG of the 1990 GMC K2500 Sierra?

According to EPA data, the 1990 GMC K2500 Sierra is rated at 12–16 MPG combined for its conventional-fuel configurations.

How many cylinders does the 1990 GMC K2500 Sierra have?

The EPA data lists 6 and 8 cylinders across its configurations.

What fuel type does the 1990 GMC K2500 Sierra use?

It is offered with Regular Gasoline and Diesel.

What is the annual fuel cost of the 1990 GMC K2500 Sierra?

The EPA estimates annual fuel costs ranging from $4,200 to $6,000.