Photo: Mercury Grand Marquis by IFCAR, Public domain, via Wikimedia Commons. It shows the model, not always this exact version.
Mercury · model year 2005
2005 Mercury Grand Marquis
Large · Rear-Wheel Drive · Gas · EPA class: Large Cars
EPA figures · 2005fueleconomy.gov
19MPG combined
16/23MPG city / highway
$3,550fuel a year
468 g CO₂ per mile 4.6 L 8-cyl Automatic 4-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
Every figure on record
- Combined MPG
- 19 MPG
- City MPG
- 16 MPG
- Highway MPG
- 23 MPG
- Annual fuel cost
- $3,550
- Tailpipe CO₂
- 468 g per mile
- Model year
- 2005
- Body
- Car
- EPA size class
- Large Cars
- Drive
- Rear-Wheel Drive
- Engine
- 4.6 L 8-cyl
- Transmission
- Automatic 4-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
More Mercury model years
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20 MPG · $3,350 fuel a year Mercury2006 Mercury Monterey Wagon FWD
17 MPG · $3,950 fuel a year
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16 MPG · $4,200 fuel a year 2006 Mercury Mountaineer 2WD
15 MPG · $4,450 fuel a year 2006 Mercury Mountaineer 4WD
15 MPG · $4,450 fuel a year 2006 Mercury Mountaineer 4WD
15 MPG · $4,450 fuel a year
2005 Mercury Mariner 2WD
21 MPG · $3,200 fuel a year