Based on data from 637 vehicles, 39,177 fuel-ups and 12,040,654 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 1866 outliers (4.55%) removed.

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

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• 2003 Civic

  2003 Honda Civic GAS L4
  Added Aug 2008 • 10 Fuel-ups

  Property of jweber

• 23.4 Avg MPG

• VBP EP3

  2003 Honda Civic Si
  Added Feb 2009 • 12 Fuel-ups

  Property of devinblue

• 29.0 Avg MPG

• My Honda Civic

  2003 Honda Civic
  Added Aug 2008 • 15 Fuel-ups

  Property of timmothy

• 37.0 Avg MPG

• Honda Hybrid

  2003 Honda Civic GAS
  Added Mar 2009 • 7 Fuel-ups

  Property of mumof9

• 40.1 Avg MPG

• Star with Fuelly

  2003 Honda Civic HYBRID L4
  Added Nov 2008 • 6 Fuel-ups

  Property of Schnaucl

• 31.5 Avg MPG

• From the Beginning

  2003 Honda Civic
  Added Nov 2008 • 134 Fuel-ups

  Property of Schnaucl

• 33.5 Avg MPG

• Civic

  2003 Honda Civic GAS L4
  Added Aug 2008 • 23 Fuel-ups

  Property of walkingcarpet

• 31.0 Avg MPG

• Civic

  2003 Honda Civic GAS L4
  Added Sep 2008 • 5 Fuel-ups

  Property of lagacer

• 32.2 Avg MPG

• The Sedan

  2003 Honda Civic GAS L4
  Added Dec 2008 • 5 Fuel-ups

  Property of Krieger

• 32.5 Avg MPG

• Civic

  2003 Honda Civic GAS L4
  Added Aug 2008 • 13 Fuel-ups

  Property of oldfielda

• 36.2 Avg MPG

• Rani

  2003 Honda Civic GAS L4
  Added Aug 2008 • 17 Fuel-ups

  Property of roy4ever

• 30.0 Avg MPG

• Squeaky

  2003 Honda Civic
  Added Aug 2008 • 6 Fuel-ups

  Property of zoynani

• 36.5 Avg MPG

• Cam's Car

  2003 Honda Civic
  Added Aug 2008 • 4 Fuel-ups

  Property of Cameron

• 38.9 Avg MPG

• Russian Blue

  2003 Honda Civic
  Added Aug 2008 • 4 Fuel-ups

  Property of dnk1260

• 31.8 Avg MPG

• 03 Honda Hybrid

  2003 Honda Civic HYBRID L4
  Added Aug 2008 • 31 Fuel-ups

  Property of DMCox

• 39.2 Avg MPG

• Civic SI

  2003 Honda Civic GAS L4
  Added Aug 2008 • 14 Fuel-ups

  Property of kempmullaney

• 27.8 Avg MPG

• Twiggy

  2003 Honda Civic LX 1.7L L4 GAS Standard 5 Sedan (4 Door)
  Added Oct 2013 • 26 Fuel-ups

  Property of lnthomp

• 34.5 Avg MPG

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