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Fuel Economy of 2009 Mercury Mariner
EPA MPG  
MODEL City Comb Hwy Fuel Cost
2009 Mercury Mariner FWD 4 cyl, 2.5 L, Automatic 6-spd, Regular Gasoline
2009 Mercury Mariner FWD 20

City

23

Combined

28

Highway

$2271

per year

2009 Mercury Mariner FWD 6 cyl, 3.0 L, Automatic 6-spd, Regular Gasoline
2009 Mercury Mariner FWD 18

City

21

Combined

26

Highway

$2485

per year

2009 Mercury Mariner Hybrid FWD 4 cyl, 2.5 L, Automatic (variable gear ratios), Regular Gasoline
2009 Mercury Mariner Hybrid FWD 34

City

32

Combined

31

Highway

$1634

per year

2009 Mercury Mariner 4WD 4 cyl, 2.5 L, Automatic 6-spd, Regular Gasoline
2009 Mercury Mariner 4WD 19

City

21

Combined

25

Highway

$2485

per year

2009 Mercury Mariner 4WD 6 cyl, 3.0 L, Automatic 6-spd, Regular Gasoline
2009 Mercury Mariner 4WD 17

City

20

Combined

24

Highway

$2610

per year

2009 Mercury Mariner Hybrid 4WD 4 cyl, 2.5 L, Automatic (variable gear ratios), Regular Gasoline
2009 Mercury Mariner Hybrid 4WD 29

City

28

Combined

27

Highway

$1864

per year

Annual Fuel Costs are based on 45% highway driving, 55% city driving, and 15000 annual miles.

Assumed Fuel Prices:

  • Regular: 3.48
  • Midgrade: 3.61
  • Premium: 3.76
  • Diesel: 3.86
  • CNG: 2.09
  • Electricity: 0.12 per kilowatt hour
  • E85: 3.19
  • LPG: 3.06