Based on data from 637 vehicles, 39,149 fuel-ups and 12,032,568 miles of driving, the 2003 Honda Civic gets a combined Avg MPG of 31.13 with a 0.07 MPG margin of error.

Any Engine Type 1.3L L4 ELECTRIC/GAS (47) 1.3L L4 FULL HYBRID EV-GAS (FHEV) (4) 1.7L L4 CNG (4) 1.7L L4 GAS (293) 2.0L L4 GAS (36) DIESEL (2) GAS (6) H4 GAS (2) K20 GAS (5) L1 GAS (1) L4 CNG (3) L4 ELECTRIC/GAS (19) L4 GAS (72) L4 LPG (1) Any Body Style Sedan (100) Hatchback (25) Coupe (32) Mini Passenger Van (1) Any Submodel Type S (1) Imagine SE (1) SE (3) GX (4) HX (4) SiR (6) Type R (9) Base (17) DX (29) Hybrid (53) Si (85) LX (124) EX (140) Other (161)

Below you can see a distribution of the fuel-ups with 1865 outliers (4.55%) removed.

Following shows the average MPG of each of the 637 vehicles in the system.

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• Civic

  2003 Honda Civic GAS L4
  Added Dec 2012 • 4 Fuel-ups

  Property of Hayden

• 28.6 Avg MPG

• Honda Civic LX

  2003 Honda Civic LX 1.7L L4 GAS Automatic 4 Speed Sedan
  Added Feb 2019 • 297 Fuel-ups

  Property of coolalex73

• 31.7 Avg MPG

• Mom's Civic

  2003 Honda Civic
  Added Apr 2013 • 28 Fuel-ups

  Property of BruceWang

• 29.7 Avg MPG

• Civic Hybrid.

  2003 Honda Civic HYBRID L4
  Added Jul 2012 • 9 Fuel-ups

  Property of cutlassvillager

• 35.8 Avg MPG

• Silver Ninja Civic LX

  2003 Honda Civic GAS L4
  Added Mar 2012 • 58 Fuel-ups

  Property of YellowNinja

• 31.5 Avg MPG

• 2003 Civic

  2003 Honda Civic GAS L4
  Added Jan 2013 • 28 Fuel-ups

  Property of sarahdeboer18

• 27.6 Avg MPG

• My White Car

  2003 Honda Civic
  Added Aug 2008 • 423 Fuel-ups

  Property of Fortran

• 34.6 Avg MPG

• Cobalt

  2003 Honda Civic HYBRID L4
  Added Apr 2013 • 15 Fuel-ups

  Property of stnewberry

• 39.3 Avg MPG

• My Civic

  2003 Honda Civic
  Added May 2013 • 37 Fuel-ups

  Property of 684shuffle

• 42.2 Avg MPG

• Shit Box

  2003 Honda Civic GAS L4
  Added Jan 2013 • 9 Fuel-ups

  Property of bran36

• 35.2 Avg MPG

• 2003 Honda Civic EX Sedan

  2003 Honda Civic GAS L4
  Added Jul 2012 • 62 Fuel-ups

  Property of ashevillain

• 32.8 Avg MPG

• Civic LX

  2003 Honda Civic GAS L4
  Added Jun 2013 • 4 Fuel-ups

  Property of CMB73

• 35.4 Avg MPG

• Civic

  2003 Honda Civic GAS L4
  Added Aug 2008 • 54 Fuel-ups

  Property of eriklove

• 31.8 Avg MPG

• Lumpy

  2003 Honda Civic Si
  Added Jan 2011 • 94 Fuel-ups

  Property of peterz

• 31.1 Avg MPG

• Civic

  2003 Honda Civic GAS L4
  Added Jan 2013 • 17 Fuel-ups

  Property of la2texas

• 31.5 Avg MPG

• Civic EX

  2003 Honda Civic GAS L4
  Added Dec 2012 • 24 Fuel-ups

  Property of wazzul

• 35.2 Avg MPG

• Civic

  2003 Honda Civic SE
  Added Sep 2016 • 11 Fuel-ups

  Property of Ognyan

• 48.1 Avg MPG

• Honda Civic 1.4

  2003 Honda Civic GAS L4
  Added Jan 2013 • 10 Fuel-ups

  Property of Jugraj

• 34.5 Avg MPG

• daily driver

  2003 Honda Civic
  Added Mar 2013 • 3 Fuel-ups

  Property of milaadnaderi

• 30.9 Avg MPG

• Civic Hybrid 160k on Original Battery

  2003 Honda Civic
  Added Jan 2013 • 8 Fuel-ups

  Property of MPGme

• 44.7 Avg MPG

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