1990 GMC S15 Pickup Specs, MPG & Trims

EPA fuel-economy data and specifications for the 1990 GMC S15 Pickup (16–22 MPG combined) across 7 listed configurations.

Overview

Body class
Small Pickup Trucks, Standard Pickup Trucks
Drive
Rear-Wheel Drive, 4-Wheel or All-Wheel Drive
Engine
4-cyl, 2.5 L; 6-cyl, 2.8 L; 6-cyl, 4.3 L
Fuel type
Regular Gasoline
Combined MPG
16–22 MPG
Annual fuel cost
$3,050–$4,200
Configurations
7

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 S15 Pickup. Electric configurations are rated in MPGe.
PowertrainCityHighwayCombinedAnnual fuel costCO2
6-cyl 4.3 L · Regular Gasoline · 4-Wheel or All-Wheel Drive1519–2016–17$3,950–$4,200—
4-cyl 2.5 L · Regular Gasoline · Rear-Wheel Drive18–212521–22$3,050–$3,200—
6-cyl 2.8 L · Regular Gasoline · Rear-Wheel Drive172419$3,550—
6-cyl 4.3 L · Regular Gasoline · Rear-Wheel Drive15–162218$3,700—

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 S15 Pickup (7 rows). "Configuration" is the EPA configuration/engine name.
Configuration / engineDriveTransmissionCyl.Displ. (L)Fuel typeCityHwyComb.Annual cost
S15 Pickup 2WDRear-Wheel DriveAutomatic 4-spd42.5Regular Gasoline182521$3,200
S15 Pickup 2WDRear-Wheel DriveAutomatic 4-spd64.3Regular Gasoline162218$3,700
S15 Pickup 2WDRear-Wheel DriveManual 5-spd42.5Regular Gasoline212522$3,050
S15 Pickup 2WDRear-Wheel DriveManual 5-spd62.8Regular Gasoline172419$3,550
S15 Pickup 2WDRear-Wheel DriveManual 5-spd64.3Regular Gasoline152218$3,700
S15 Pickup 4WD4-Wheel or All-Wheel DriveAutomatic 4-spd64.3Regular Gasoline152017$3,950
S15 Pickup 4WD4-Wheel or All-Wheel DriveManual 5-spd64.3Regular Gasoline151916$4,200

Frequently asked questions

What is the combined MPG of the 1990 GMC S15 Pickup?

According to EPA data, the 1990 GMC S15 Pickup is rated at 16–22 MPG combined for its conventional-fuel configurations.

How many cylinders does the 1990 GMC S15 Pickup have?

The EPA data lists 4 and 6 cylinders across its configurations.

What fuel type does the 1990 GMC S15 Pickup use?

It uses Regular Gasoline.

What is the annual fuel cost of the 1990 GMC S15 Pickup?

The EPA estimates annual fuel costs ranging from $3,050 to $4,200.