2004 Mercury Mountaineer

US · SUV · Sport Utility Vehicle - 2WD

The 2004 Mercury Mountaineer is listed in the US market as a suv. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine: Varies by configuration: 4.0L 6-cylinder, 4.6L 8-cylinder, 4.0L 6-cylinder (FLEX-FUEL)
Transmission: 5-speed automatic
Drivetrain: Varies by configuration: RWD, AWD
Fuel: Varies by configuration: Gasoline, Flex fuel
Economy: 15 mpg (15.7 L/100 km) to 16 mpg (14.7 L/100 km) combined

Generic outline for this body type. An illustration, not a photograph.

Specifications at a Glance

Key Figures

Units:

Engine / Powertrain

4.0L 6-cylinder, 4.6L 8-cylinder, 4.0L 6-cylinder (FLEX-FUEL)

Combined Economy

15 mpg (15.7 L/100 km) to 16 mpg (14.7 L/100 km) combined

Drivetrain

RWD, AWD

Transmission

5-speed automatic

Market: US·Switch units to convert the figures shown.

Compare 2004 Mercury Mountaineer ↗

Engine

Engine
Specification	Value	Source
Engine	Varies by configuration: 4.0L 6-cylinder, 4.6L 8-cylinder, 4.0L 6-cylinder (FLEX-FUEL)
Displacement	4.0 L to 4.6 L
Cylinders	6 to 8
Fuel type	Varies by configuration: Gasoline, Flex fuel	EPA fueleconomy.gov

Transmission and drivetrain

Transmission and drivetrain
Specification	Value	Source
Transmission	Automatic	EPA fueleconomy.gov
Gears	5
Drivetrain	Varies by configuration: RWD, AWD

Fuel economy and range

Fuel economy and range
Specification	Value	Source
Combined	15 mpg (15.7 L/100 km) to 16 mpg (14.7 L/100 km)	EPA fueleconomy.gov
City	13 mpg (18.1 L/100 km) to 14 mpg (16.8 L/100 km)
Highway	18 mpg (13.1 L/100 km) to 20 mpg (11.8 L/100 km)

Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.

Trims and configurations

6 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 1 recall campaign for this model year. Last checked November 11, 2026.

07E104000: VISIBILITY:GLASS, SIDE/REAR
CERTAIN CURVED TEMPERED REPLACEMENT GLASS MANUFACTURED BY HANGZHOU SAFETY GLASS LTD AND SUPPLIED TO SAFELITE BY AUTO TEMP INC., IDENTIFIED AS DOT-430, AND SOLD FOR USE ON CERTAIN DOMESTIC AND FOREIGN VEHICLES MAY NOT BREAK INTO SMALL PIECES AS EXPECTED OF TEMPERED GLASS AND FAILS TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 205, "GLAZING MATERIALS."
Remedy: SAFELITE WILL NOTIFY ITS RETAIL CUSTOMERS AND REPLACE THE GLASS FREE OF CHARGE. RETAIL CUSTOMERS CAN CONTACT SAFELITE TOLL FREE AT 1-888-843-2906. SAFELITE WILL NOTIFY ITS WHOLESALE CUSTOMERS AND REIMBURSE WHOLESALE CUSTOMERS FOR CURRENT…
Reported December 11, 2007. View on NHTSA

Data sources

EPA fueleconomy.gov · retrieved November 9, 2026 · US Government public data
NHTSA vPIC · retrieved October 17, 2026 · US Government public data

Source checked: November 9, 2026

Data verified: November 9, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

Compare

Related vehicles

2003 Mercury Mountaineer
SUV, Varies by configuration: Gasoline, Flex fuel
Varies by configuration: 4.6L 8-cylinder, 4.0L 6-cylinder (FLEX-FUEL) · Varies by configuration: RWD, AWD
16 mpg (14.7 L/100 km) to 15 mpg (15.7 L/100 km)
2005 Mercury Mountaineer
SUV, Varies by configuration: Gasoline, Flex fuel
Varies by configuration: 4.0L 6-cylinder, 4.6L 8-cylinder, 4.0L 6-cylinder (FLEX-FUEL), 4.0L 6-cylinder (FFS MPFI) · Varies by configuration: RWD, AWD
16 mpg (14.7 L/100 km) to 14 mpg (16.8 L/100 km)
2004 Jeep Grand Cherokee
SUV, Gasoline
Varies by configuration: 4.0L 6-cylinder, 4.7L 8-cylinder · Varies by configuration: RWD, AWD
16 mpg (14.7 L/100 km) to 15 mpg (15.7 L/100 km)
2004 BMW X3
SUV, Gasoline
Varies by configuration: 2.5L 6-cylinder, 3.0L 6-cylinder · AWD
18 mpg (13.1 L/100 km) to 17 mpg (13.8 L/100 km)
2004 Volvo XC90
SUV, Gasoline
Varies by configuration: 2.5L 5-cylinder turbocharged, 2.9L 6-cylinder turbocharged · 449 hp (335 kW) · Varies by configuration: FWD, AWD
19 mpg (12.4 L/100 km) to 16 mpg (14.7 L/100 km)

Frequently asked questions

What engine does the 2004 Mercury Mountaineer have?

Varies by configuration: 4.0L 6-cylinder, 4.6L 8-cylinder, 4.0L 6-cylinder (FLEX-FUEL). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2004 Mercury Mountaineer?

Combined fuel economy is 15 mpg (15.7 L/100 km) to 16 mpg (14.7 L/100 km), as published by the source shown in the specification table.

Is the 2004 Mercury Mountaineer front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: RWD, AWD.

Are there recalls for the 2004 Mercury Mountaineer?

NHTSA lists 1 recall campaign for this model year (last checked November 11, 2026). Details are in the Recalls section.