Based on data from 43 vehicles, 5,834 fuel-ups and 1,577,158 miles of driving, the 2008 Mercury Mariner gets a combined Avg MPG of 23.86 with a 0.15 MPG margin of error.

Any Engine Type 2.3L L4 ELECTRIC/GAS (15) 2.3L L4 FULL HYBRID EV-GAS (FHEV) (2) 2.3L L4 GAS (3) 3.0L V6 GAS (14) L4 ELECTRIC/GAS (1) L4 GAS (3) V6 GAS (4) Any Body Style Sport Utility (16) Cab & Chassis (1) Any Submodel Premier (8) Base (11) Hybrid (17) Other (7)

Below you can see a distribution of the fuel-ups with 153 outliers (2.56%) removed.

Following shows the average MPG of each of the 43 vehicles in the system.

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• My Mariner

  2008 Mercury Mariner Hybrid 2.3L L4 ELECTRIC/GAS Automatic CVT
  Added Jun 2021 • 86 Fuel-ups

  Property of gfc62

• 23.1 Avg MPG

• My

  2008 Mercury Mariner Hybrid 2.3L L4 FULL HYBRID EV-GAS (FHEV) Automatic CVT
  Added Sep 2023 • 23 Fuel-ups

  Property of c7javier

• 26.6 Avg MPG

• Mariner

  2008 Mercury Mariner Premier L4 GAS Automatic 4 Speed Sport Utility
  Added Mar 2021 • 481 Fuel-ups

  Property of brucedal

• 24.9 Avg MPG

• Mariner

  2008 Mercury Mariner 2.3L L4 GAS Automatic 4 Speed
  Added Sep 2024 • 3 Fuel-ups

  Property of totalhelix

• 19.6 Avg MPG

• Mercury Mariner 2008

  2008 Mercury Mariner Automatic 4 Speed Sport Utility
  Added Nov 2022 • 29 Fuel-ups

  Property of ljobreg

• 38.0 Avg MPG

• 2008 Mariner

  2008 Mercury Mariner 3.0L V6 GAS Automatic 4 Speed Sport Utility
  Added Jun 2022 • 107 Fuel-ups

  Property of brickstein4

• 19.1 Avg MPG

• My ⚓️800

  2008 Mercury Mariner Hybrid 2.3L L4 ELECTRIC/GAS Automatic CVT
  Added Mar 2021 • 51 Fuel-ups

  Property of c7javier

• 25.8 Avg MPG

• Mercury Mariner

  2008 Mercury Mariner Hybrid 2.3L L4 ELECTRIC/GAS Automatic CVT Sport Utility
  Added Dec 2019 • 46 Fuel-ups

  Property of bozenaz

• 25.1 Avg MPG

• The Mariner

  2008 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed Sport Utility
  Added Nov 2013 • 330 Fuel-ups

  Property of akmedic77

• 17.5 Avg MPG

• My Mariner

  2008 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Nov 2018 • 169 Fuel-ups

  Property of Ewilder

• 21.3 Avg MPG

• My Mariner

  2008 Mercury Mariner 3.0L V6 GAS Automatic 4 Speed
  Added Nov 2021 • 63 Fuel-ups

  Property of emilyc78

• 21.4 Avg MPG

• Mariner

  2008 Mercury Mariner Hybrid 2.3L L4 FULL HYBRID EV-GAS (FHEV) Automatic CVT Sport Utility
  Added Apr 2017 • 536 Fuel-ups

  Property of jrodrigu07

• 24.5 Avg MPG

• My Mariner

  2008 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Jul 2022 • 8 Fuel-ups

  Property of WaterxHashira

• 17.2 Avg MPG

• Mercury Mariner

  2008 Mercury Mariner Hybrid 2.3L L4 ELECTRIC/GAS Automatic CVT Sport Utility
  Added Oct 2018 • 142 Fuel-ups

  Property of Reger

• 29.1 Avg MPG

• My Mariner

  2008 Mercury Mariner Hybrid 2.3L L4 ELECTRIC/GAS Automatic CVT
  Added Feb 2020 • 118 Fuel-ups

  Property of MRiedl

• 22.8 Avg MPG

• Mariner

  2008 Mercury Mariner Hybrid 2.3L L4 ELECTRIC/GAS Automatic CVT
  Added Sep 2016 • 252 Fuel-ups

  Property of dlharris5

• 27.4 Avg MPG

• Mercury Mariner

  2008 Mercury Mariner Hybrid 2.3L L4 ELECTRIC/GAS Automatic CVT Sport Utility
  Added Apr 2018 • 52 Fuel-ups

  Property of mlanore

• 25.9 Avg MPG

• My Mariner

  2008 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 301 Fuel-ups

  Property of Jacqui

• 4.4 Avg MPG

• Mariner

  2008 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed Sport Utility
  Added Jan 2018 • 178 Fuel-ups

  Property of jirsak

• 19.9 Avg MPG

• Mariner

  2008 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed Cab & Chassis
  Added Mar 2020 • 4 Fuel-ups

  Property of berkesch

• 17.0 Avg MPG

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