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2004 Mercury

Mountaineer 4WD

Auto 5-spd, 8 cyl, 4.6 L

Mercury Mountaineer: best and worst years
2004 Mercury Mountaineer 4WD (photo 1 of 3)
2004 photoCutlassCC0Wikimedia Commons

Overview

Body
Sport Utility Vehicle - 4WDEPA, from EPA, last updated 6/22/2026
Drivetrain
4-Wheel or All-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic 5-spdEPA, from EPA, last updated 6/22/2026
Powertrain
GasEPA, from EPA, last updated 6/22/2026
Fuel
RegularEPA, from EPA, last updated 6/22/2026

Engine & performance

HP
239NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Cyl
8EPA, from EPA, last updated 6/22/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
18 mpgEPA, from EPA, last updated 6/22/2026
MPG City
13 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
15 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$4,150EPA, from EPA, last updated 6/22/2026
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026

Dimensions & capacity

Doors
4NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
GVWR class
Class 1D (5,001 to 6,000 lb)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026

Safety NHTSA, model year

Recalls
0
Owner complaints
210
Reported injuries
16

Reported problems NHTSA owner complaints, model year

  • STRUCTURE30%
  • POWER TRAIN25%
  • VEHICLE SPEED CONTROL8%
  • ELECTRICAL SYSTEM6%
  • AIR BAGS5%
  • ENGINE AND ENGINE COOLING4%

Source: NHTSA owner complaints, 260 total.

Mercury Mountaineer: best and worst years

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.