Based on data from 18 vehicles, 276 fuel-ups and 47,345 miles of driving, the 1974 MG MGB gets a combined Avg MPG of 20.29 with a 0.76 MPG margin of error.

Any Engine Type 1.8L L4 GAS (12) 3.5L V8 GAS (2) L4 GAS (1) V8 GAS (1) Any Body Style Coupe (2) Convertible (3) Any Submodel GT (3) V-8 (3) Base (9) Other (3)

Below you can see a distribution of the fuel-ups with 18 outliers (6.12%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

• Corey's 74 MGB

  1974 MG MGB 1.8L L4 GAS Manual 4 Speed Convertible
  Added Jul 2014 • 14 Fuel-ups

  Property of XJTdi

• 28.3 Avg MPG

• MGB

  1974 MG MGB 1.8L L4 GAS Automatic 3 Speed
  Added Aug 2018 • 68 Fuel-ups

  Property of backhowell

• 23.9 Avg MPG

• MGB GT V8

  1974 MG MGB V-8 3.5L V8 GAS Manual 4 Speed
  Added Dec 2021 • 40 Fuel-ups

  Property of SteviG

• 23.9 Avg MPG

• My MGB

  1974 MG MGB GT 1.8L L4 GAS
  Added Aug 2019 • 41 Fuel-ups

  Property of MarkinAZ

• 22.5 Avg MPG

• MGB GT V8

  1974 MG MGB V-8 3.5L V8 GAS Manual 4 Speed
  Added Mar 2024 • 7 Fuel-ups

  Property of Rover_V8

• 19.9 Avg MPG

• Millie the MGB

  1974 MG MGB 1.8L L4 GAS Automatic 3 Speed
  Added Nov 2021 • 10 Fuel-ups

  Property of bnpelletier

• 16.8 Avg MPG

• Todo

  1974 MG MGB 1.8L L4 GAS Manual Coupe
  Added Dec 2020 • 27 Fuel-ups

  Property of Exoticar

• 17.6 Avg MPG

• My MGB

  1974 MG MGB GT 1.8L L4 GAS
  Added Oct 2022 • 3 Fuel-ups

  Property of Rob76

• 24.3 Avg MPG

• MGB

  1974 MG MGB 1.8L L4 GAS Manual 4 Speed Convertible
  Added Jun 2014 • 59 Fuel-ups

  Property of PaulPR

• 22.2 Avg MPG

• Blue MGB-GT

  1974 MG MGB GT 1.8L L4 GAS Manual 4 Speed Coupe
  Added Nov 2021 • 4 Fuel-ups

  Property of 1stPHEV

• 17.1 Avg MPG

• MGB

  1974 MG MGB Roadster
  Added Jan 2018 • 11 Fuel-ups

  Property of FJmgb

• 26.3 Avg MPG

• OMG

  1974 MG MGB 1.8L L4 GAS Manual 4 Speed Convertible
  Added Mar 2019 • 17 Fuel-ups

  Property of 1stPHEV

• 26.9 Avg MPG

• My MGB

  1974 MG MGB 1.8L L4 GAS Standard 4 Speed
  Added Aug 2017 • 26 Fuel-ups

  Property of Valkyrie03

• 14.3 Avg MPG

• My MGB

  1974 MG MGB 1.8L L4 GAS Standard 4 Speed
  Added May 2018 • 7 Fuel-ups

  Property of rpbrice

• 18.3 Avg MPG

• My MGB

  1974 MG MGB V-8
  Added Jun 2018 • 8 Fuel-ups

  Property of Zorrolives

• 15.5 Avg MPG

• MGB

  1974 MG MGB 1.8L L4 GAS Standard 4 Speed
  Added Sep 2016 • 5 Fuel-ups

  Property of jrw429

• 21.3 Avg MPG

• MGB GT 1974

  1974 MG MGB GAS L4
  Added Mar 2014 • 4 Fuel-ups

  Property of rscott1979

• 16.2 Avg MPG

• My GTV8

  1974 MG MGB GAS V8
  Added Oct 2012 • 3 Fuel-ups

  Property of tonyb

• 15.3 Avg MPG