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1989 Gmc G15/25 Rally 2wd MPG/Fuel Consumption


Fuel consumption is a very important topic for car owners and environmentalists. By understanding all the variables that influence fuel efficiency, you can make informed decisions when making your next car purchase or recommending a car to someone.

On this page, we will look at the 1989 GMC G15/25 Rally 2WD Manual 4-spd (FFS) fuel consumption and also learn about the key factors that affect fuel efficiency such as dimensions, engine types, transmission and other variables.


1989 GMC G15/25 Rally 2WD Miles per gallon (MPG)

The 1989 GMC G15/25 Rally 2WD has an estimated fuel economy of 15 miles per gallon (MPG) in the city which is equivalent to 15.68 L/100km (Litres per 100 Kilometers). As you know, city driving conditions involve frequent stops and low-speed/gear driving and all of these can impact fuel efficiency.

On the other hand, 1989 GMC G15/25 Rally 2WD has an average MPG of 17 miles per gallon (MPG) on the highways which is equivalent to 13.84 L/100km (Litres per 100 Kilometers). There is usually a difference because driving on the highways involves a lot of steady cruising and less frequent stops and this usually contributes to the fuel efficiency of a vehicle.


1989 GMC G15/25 Rally 2WD Engine Information

When it comes to engine specifications, a lot of variables come to play, we have to look at the driveline (front-wheel drive (FWD), rear-wheel drive (RWD), or all-wheel drive (AWD)), the engine type (gasoline, diesel, or electric), Hybrid system (combining electric motors and internal combustion engines), number of forward gears and so on.

The 1989 GMC G15/25 Rally 2WD comes with the Rear-Wheel Drive drivetrain and a (FFS) Regular Gasoline Engine, which is a 6 cylinder engine. It also comes with 4 forward gears which allow the engine to operate at optimal RPM levels.


1989 GMC G15/25 Rally 2WD Fuel Type

The 1989 GMC G15/25 Rally 2WD utilizes Regular Gasoline as its primary fuel source. Regular Gasoline offers a good balance of energy density and combustion characteristics, providing an optimal fuel choice for the vehicle.


1989 GMC G15/25 Rally 2WD Transmission Design

The 1989 GMC G15/25 Rally 2WD Manual 4-spd (FFS) is an Manual 4-spd transmission vehicle.


1989 GMC G15/25 Rally 2WD Full Specifications

1989 GMC G15/25 Rally 2WD Full Specifications
Identification 1989 GMC G15/25 Rally 2WD Manual 4-spd (FFS)
Vehicle class Vans
Driveline Rear-Wheel Drive
Engine Type (FFS)
Forward Gears 4
Transmission Manual 4-spd
Fuel Type Regular Gasoline
City MPG 15 MPG
Highway MPG 17 MPG
Combined MPG 15
Make GMC
Model G15/25 Rally 2WD
Year 1989

Frequently Asked Questions

The 1989 GMC G15/25 Rally 2WD has a fuel efficiency of 15/17 MPG City/Highway.

The 1989 GMC G15/25 Rally 2WD has a fuel economy of 15.68 litres per 100 kilometres for city drive and a 13.84 litres per 100 kilometres on highway drives.

The 1989 GMC G15/25 Rally 2WD comes with a (FFS) engine.

The 1989 GMC G15/25 Rally 2WD consumes an average of 15 miles per gallon (MPG) in the city which is equivalent to 15.68 L/100km and on the highway, it consumes 17 miles per gallon (MPG) which is equivalent to 13.84 L/100km.

The 1989 GMC G15/25 Rally 2WD comes with a (FFS). This engine is coupled with an Rear-Wheel Drive drivetrain.

When it comes to fuel efficiency, there are a handful of cars that are similar to 1989 GMC G15/25 Rally 2WD, some of them are: 2023 Ram 1500 Classic 4WD Automatic 8-spd, 2023 Ford F150 RAPTOR 37 4WD with Stop-start, 2023 Ford F150 Pickup Tremor 4WD FFV FFV

**Data Source: US Department of Energy.

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