1990 Mercury Grand Marquis Wagon MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 1990 Mercury Grand Marquis Wagon.

The 1990 Mercury Grand Marquis Wagon runs on regular gasoline and is in the Midsize-Large Station Wagons car class.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 1990 Mercury Grand Marquis Wagon is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 1990 Mercury Grand Marquis Wagon Get?

First off, the most commonly asked question. A 1990 Mercury Grand Marquis Wagon gets up to 15 miles per gallon in the city, and 22 miles per gallon on the highway.

The combined average MPG for the 1990 Mercury Grand Marquis Wagon is 18 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 1990 Mercury Grand Marquis Wagon?

The estimated fuel costs for the 1990 Mercury Grand Marquis Wagon is $3,500 per year.

That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

If you were to compare a 1990 Mercury Grand Marquis Wagon to an average vehicle over 5 years, you will spend $6,000 more on fuel.

🛢 How Many Barrels of Petroleum Does a 1990 Mercury Grand Marquis Wagon Consume?

The 1990 Mercury Grand Marquis Wagon will consume roughly 17 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 1990 Mercury Grand Marquis Wagon.

City MPG15
Highway MPG22
Combined MPG18
Save/Spend vs Average CarSpend $6,000
Fuel Cost$3,500
Fuel Type 1Regular
Barrels of Petroleum17
DriveRear-Wheel Drive
Cylinders8
Displacement5
TransmissionAutomatic 4-spd
Vehicle ClassMidsize-Large Station Wagons
Start/Stop?No
Supercharged?No
Turbocharged?No

Related Mercury Models from 1990

If you're interested in other Mercury models from 1990, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "1990 Mercury Grand Marquis Wagon MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercury/grand-marquis-wagon/1990.

  • "1990 Mercury Grand Marquis Wagon MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercury/grand-marquis-wagon/1990. Accessed January 3, 2026.

  • 1990 Mercury Grand Marquis Wagon MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercury/grand-marquis-wagon/1990.