Based on data from 637 vehicles, 39,185 fuel-ups and 12,043,219 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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• Civic

  2003 Honda Civic LX 1.7L L4 GAS Automatic 4 Speed
  Added Mar 2017 • 135 Fuel-ups

  Property of aguerrap

• 25.6 Avg MPG

• Civic

  2003 Honda Civic
  Added Jun 2013 • 48 Fuel-ups

  Property of mbne08

• 37.2 Avg MPG

• My Civic

  2003 Honda Civic GAS L4
  Added Dec 2012 • 20 Fuel-ups

  Property of agr964

• 32.9 Avg MPG

• SiD

  2003 Honda Civic Si
  Added Aug 2011 • 23 Fuel-ups

  Property of nickoanderson

• 26.4 Avg MPG

• Little blue hybrid

  2003 Honda Civic HYBRID L4
  Added Aug 2013 • 339 Fuel-ups

  Property of braser

• 41.7 Avg MPG

• Honda Civic Coupe

  2003 Honda Civic
  Added Oct 2013 • 17 Fuel-ups

  Property of joelignacio

• 35.0 Avg MPG

• Honda Civic Si

  2003 Honda Civic Si
  Added Oct 2013 • 12 Fuel-ups

  Property of GCheung55

• 26.6 Avg MPG

• my car

  2003 Honda Civic
  Added Apr 2013 • 10 Fuel-ups

  Property of danhieu

• 33.1 Avg MPG

• Honda

  2003 Honda Civic GAS L4
  Added Jan 2013 • 98 Fuel-ups

  Property of craigmac215

• 33.6 Avg MPG

• Civic

  2003 Honda Civic Hybrid 1.3L L4 ELECTRIC/GAS Automatic CVT
  Added Mar 2017 • 5 Fuel-ups

  Property of UrbanYeti

• 64.4 Avg MPG

• Silver SiRfer

  2003 Honda Civic GAS L4
  Added May 2011 • 53 Fuel-ups

  Property of rpr

• 21.7 Avg MPG

• Honda Civic

  2003 Honda Civic LX 1.7L L4 GAS Standard 5 Speed
  Added Aug 2016 • 98 Fuel-ups

  Property of grockk

• 32.7 Avg MPG

• Honda Civic Type R

  2003 Honda Civic GAS L4
  Added Sep 2013 • 5 Fuel-ups

  Property of aberry9036

• 21.1 Avg MPG

• La sorbz'mobile

  2003 Honda Civic Si
  Added Sep 2013 • 10 Fuel-ups

  Property of caroroberge

• 31.4 Avg MPG

• Maggie

  2003 Honda Civic HYBRID L4
  Added Sep 2013 • 5 Fuel-ups

  Property of tuningnoob

• 35.4 Avg MPG

• My Civic

  2003 Honda Civic
  Added Jul 2013 • 7 Fuel-ups

  Property of keropie3

• 33.9 Avg MPG

• Bruce

  2003 Honda Civic CNG L4
  Added Sep 2013 • 5 Fuel-ups

  Property of harbingersrequiem

• 33.8 Avg MPG

• Hybrid

  2003 Honda Civic
  Added Apr 2012 • 61 Fuel-ups

  Property of windrider

• 35.5 Avg MPG

• 2003 Civic HX 5MT

  2003 Honda Civic
  Added Jun 2013 • 4 Fuel-ups

  Property of Giuseppe

• 41.0 Avg MPG

• Black Hatch

  2003 Honda Civic Si 2.0L GAS L4 Standard 5 Hatchback (3 Door)
  Added Jun 2012 • 51 Fuel-ups

  Property of epHatch

• 29.0 Avg MPG

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