2003 · SUV · Gas / Flex-fuel

2003 Mercury Mountaineer MPG & fuel economy

The 2003 Mercury Mountaineer is a SUV offered in 4 EPA-rated configurations. The most efficient version returns 16 MPG combined (14 city / 19 highway) on regular gasoline. Efficiency is unchanged from the 2002 model. Among 66 SUVs rated for 2003, it ranks 36th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,906 a year to fuel.

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Combined 16 MPG 14 MPG city · 19 MPG hwy
Driving range — not published for this model
Your fuel cost $2,906 15,000 mi/yr · $19.38 per 100 mi
Class rank, 2003 #36 of 66 SUVs by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 2003 Mercury Mountaineer's fuel average is 6.8 km/L (14.7 L/100 km), or 16 MPG combined: 6.0 km/L in the city and 8.1 km/L on the highway.

MPGkm/LL/100 km
City146.016.8
Highway198.112.4
Combined166.814.7

How it ranks among 2003 SUVs

Full class ranking →
  1. 1Toyota RAV4 EV78 MPGe $1,161
  2. 2Toyota RAV424 MPG $1,938
  3. 3Chevrolet Tracker22 MPG $2,114
  4. 4Honda CR-V22 MPG $2,114
  5. 5Suzuki Vitara22 MPG $2,114
  6. 36Mercury Mountaineer16 MPG $2,906
  7. 66Land Rover Discovery12 MPG $4,938
2003 MountaineerOther SUVsClass median: $2,906/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

Mountaineer MPG across model years

Full history →

4 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
4WD/AWD · 4.0L 6-cyl · 5-speed automatic
Mountaineer 4WD FFV		 Flex-fuel 14 MPG 19 MPG 16 MPG — $2,906
RWD · 4.0L 6-cyl · 5-speed automatic
Mountaineer 2WD FFV		 Flex-fuel 14 MPG 19 MPG 16 MPG — $2,906
RWD · 4.6L 8-cyl · 5-speed automatic
Mountaineer 2WD		 Gas 13 MPG 18 MPG 15 MPG — $3,100
4WD/AWD · 4.6L 8-cyl · 5-speed automatic
Mountaineer 4WD		 Gas 13 MPG 18 MPG 15 MPG — $3,100

Specs (most efficient configuration)

Fuel
Regular gasoline or E85
Engine / motor
4.0L 6-cyl
Transmission
5-speed automatic
Drivetrain
4WD/AWD
Tailpipe CO₂
555 g/mi

2003 Mercury Mountaineer vs. rivals

vs Nissan Pathfinder 16 MPG · $2,906/yr Same fuel cost vs Jeep Grand Cherokee 16 MPG · $2,906/yr Same fuel cost vs Oldsmobile Bravada 16 MPG · $2,906/yr Same fuel cost vs Chevrolet TrailBlazer 16 MPG · $2,906/yr Same fuel cost vs GMC Envoy 16 MPG · $2,906/yr Same fuel cost vs Isuzu Axiom 16 MPG · $2,906/yr Same fuel cost vs Isuzu Ascender 16 MPG · $2,906/yr Same fuel cost

Compare the 2003 Mountaineer

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Frequently asked questions

What is the gas mileage of the 2003 Mercury Mountaineer?

Up to 16 MPG combined (14 city / 19 highway).

What fuel does the 2003 Mercury Mountaineer use?

Regular gasoline or E85.

What is the fuel average in km/L for the 2003 Mercury Mountaineer?

The 2003 Mercury Mountaineer's fuel average is 6.8 km/L (14.7 L/100 km), or 16 MPG combined: 6.0 km/L in the city and 8.1 km/L on the highway.

How much does it cost to fuel the 2003 Mercury Mountaineer per year?

About $2,906 at 15,000 miles a year with $3.10/gal regular gas, or $19.38 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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