1986 Jeep Grand Wagoneer (4.2L 6-cyl, Manual 4-spd) MPG & Specs
Quick answer
The 1986 Jeep Grand Wagoneer gets an EPA-estimated 13/17 MPG (city/highway) and 15 MPG combined, with an estimated $4,100/year fuel cost and 592.467 g/mi CO₂. Engine: 4.2 L 6-cyl.
The 1986 Jeep Grand Wagoneer with the 4.2-liter 6-cylinder regular gasoline engine returns an EPA-estimated 13 MPG in the city and 17 MPG on the highway, for a combined 15 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 4.2 L 6-cyl |
| Transmission | Manual 4-spd |
| Drive | 4-Wheel or All-Wheel Drive |
| Fuel type | Regular Gasoline |
| Vehicle class | Special Purpose Vehicles |
| MPG — city | 13 |
| MPG — highway | 17 |
| MPG — combined | 15 |
| Annual fuel cost* | $4,100 |
| CO₂ tailpipe | 592.467 g/mi |
| EPA GHG score | — |
How efficient is it?
With a combined 15 MPG, the 1986 Jeep Grand Wagoneer sits in the low range for fuel economy. That is about average for its class (Special Purpose Vehicles, 17 MPG average).
Fuel economy and running costs
At about $4,100 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 1986 Jeep Grand Wagoneer. Over five years that is roughly $20,500 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 1986 Jeep Grand Wagoneer emits approximately 592.467 grams of CO₂ per mile at the tailpipe. Lower emissions generally track higher fuel economy.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.