Top Vehicles MPG (US)
Gasoline cars, last 90 days...
1.2004 Honda Insight 63.97
2.2016 Nissan Versa SV Sedan54.51
3.1990 Mazda Miata 53.56
4.2020 Toyota Corolla LE50.08
5.2017 Honda Civic Lx50.07
6.1996 Honda Civic LX48.72
7.2015 Mitsubishi Space Star Invite48.67
8.1991 Geo Metro Spaceship47.82
9.2015 Ford Focus Ecoboost 1.046.36
10.2016 Ford Focus SE46.28
More top-10 MPG lists:
hybrids, diesels, trucks, motorcycles & more
 
Highest MPG for a non-hybrid: Mitsubishi Mirage
Best non-hybrid MPG: 2014 Mitsubishi Mirage?
Mitsubishi says its new Mirage subcompact will get the best MPG of any non-hybrid: 44 mpg (US) highway, 37 city. (Some drivers are already beating that in various economy driving contests.) How? An efficient 1.2L, 3-cylinder engine, very light weight and aerodynamic design.
 
Latest forum activity

What is Ecomodding?
Welcome to EcoModder.com, an automotive community where performance is judged by fuel economy rather than power and speed. EcoModders employ a combination of vehicle mods, driving techniques, and common sense to squeeze every penny out of the pumps. Reasons for becoming a member range from the economical to the ecological. More info about where EcoModding came from.
 
Top picks from the EcoModder forum and blog

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Efficient, cheap beaters! Used car ads: 35 mpg highway or more for $1500 or less Efficient, cheap beaters! Used car ads: 35 mpg highway or more for $1500 or less

People often sign up on the forum seeking advice on cheap, economical beaters. The purpose of this thread is to go beyond the hypothetical, and post actual ads of actual available cars. They're out there, people. (Our non-North American members should feel free to laugh at our concept of 'efficient' little cars.)

Started by MetroMPG in forum: For Sale - 1171 replies

Notable eco-cars (old & new) spotted in the wild: post your pics!

Check out interesting and rare eco-cars that people have stumbled across, and share findings of your own!

Started by MetroMPG in forum: General Efficiency Discussion - 1354 replies
Notable eco-cars (old & new) spotted in the wild: post your pics!

How to properly test modifications (AKA: don How to properly test modifications (AKA: don't believe every MPG claim you read)

Here on EcoModder we see a lot of claims made about the effectiveness (or lack of effectiveness) of specific modifications. It's an understatement to say not all claims are made equal. It all depends on how rigorous the test is.

Started by MetroMPG in forum: EcoModding Central - 119 replies

You know you're an ecomodder if/when...

One of the more popular threads on EcoModder, this is a lighthearted and tongue-in-cheek look at the many potential signs and symptoms that you may be more interested in fuel economy than the average person...

Started by Tango Charlie in forum: The Lounge - 2420 replies
You know you

Buy a trailer (instead of a pickup truck) Buy a trailer (instead of a pickup truck)

This is a thread for anyone thinking about getting a pickup truck as a first or second vehicle when adding a trailer to your car would do instead (and save you lots of fuel & money).

Started by oil pan 4 in forum: General Efficiency Discussion - 1020 replies

Aerodynamic streamline template - online tool (view streamlined extension on any car)

Member seifrob made an online tool that overlays a streamlined template on an image of any vehicle to visualize the "ideal" extended low drag shape. Very useful for anyone considering building a drag-reducing Kamm back, full boat tail, box cavity, spoiler, etc.

Started by seifrob in forum: Aerodynamics - 181 replies
Aerodynamic streamline template - online tool (view streamlined extension on any car)

Paul & Sabrina Paul & Sabrina's cheap DIY 144v motor controller

A thread and project of epic proportions where Paul designs a DIY 144V DC electric motor controller.

Started by MPaulHolmes in forum: Open ReVolt: open source DC motor controller - 7333 replies

Replace your car battery with capacitors!

A good discussion on replacing a starting battery with ultra capacitors in cars, trucks, and motorcycles.

Started by redneck in forum: EcoModding Central - 378 replies
Replace your car battery with capacitors!

94 Caprice Wagon 5.7L project--46 MPG so far 94 Caprice Wagon 5.7L project--46 MPG so far

A huge boat of a vehicle modded to get some crazy good mileage.

Started by funkhoss in forum: EcoModding Central - 122 replies

Recumbent Honda 90

Ironside customizes and aeromods his Honda 90 motorcycle into a recumbent.

Started by Ironside in forum: Motorcycles / Scooters - 174 replies
Recumbent Honda 90

What What's your best motorcycle MPG?

Lots of EcoModder members own motorcycles for commuting, for play or to as primary vehicles. In this long thread, owners chime in with their best numbers: what (and how) they were riding to achieve great MPG.

Started by MetroMPG in forum: Motorcycles / Scooters - 423 replies

My Ford Ranger - Project Log

Nathan01xl is currently averaging around 38 MPG (US) in his 2001 Ford Ranger following numerous changes including the addition of a digital MPG gauge, improved driving technique, and a growing list of efficiency modifications.

Started by nathan01xl in forum: EcoModding Central - 148 replies
My Ford Ranger - Project Log

Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L

The Micra's official ratings are almost the same for the automatic and manual transmission. Yet the 5-speed can be much more efficient in the real world using just one simple ecodriving technique. Again we see the EPA handicaps manual transmission cars due to dictated, non-eco shift points during testing.

Started by MetroMPG in forum: Hypermiling / EcoDriver's Ed - 78 replies

Aerocivic - how to drop your Cd from 0.31 to 0.17

The first of its kind, the Aerocivic. This car has been pumping out hybrid smashing mileage for years now. VERY impressive build.

Started by basjoos in forum: Aerodynamics - 756 replies
Aerocivic - how to drop your Cd from 0.31 to 0.17

3rd gen Prius aeromod thread 3rd gen Prius aeromod thread

Vman455 buys a 3rd gen Prius, and in typical ecomodder fashion doesn't take long to start modding it. Check out what he has done.

Started by Vman455 in forum: Aerodynamics - 298 replies

Project Extended Pop-Top Aerodynamic Camper Shell ('99 Tacoma)

The design criteria for this fiberglass-over-foam project: extended to the end of the lowered tailgate for maximum room (and further reduced aero wake); enough room in the "up" position for a raised floor to store gear beneath while still having room to sit up and move around comfortably; simple and convenient to use.

Started by a8ksh4 in forum: Aerodynamics - 345 replies
Project Extended Pop-Top Aerodynamic Camper Shell (

Speed vs. MPG charts (post Speed vs. MPG charts (post 'em if you got 'em)

The speed at which you choose to drive has the biggest impact on your highway fuel consumption. This fact is nicely demonstrated by this collection of graphs showing the relationship of MPH to MPG in a variety of vehicles, from a 55 hp Geo Metro to a 505 hp Corvette, and many others in between.

Started by bluejoey in forum: Hypermiling / EcoDriver's Ed - 181 replies

A better alternator delete


Started by Daox in forum: EcoModding Central - 140 replies
A better alternator delete

Review: driving a $9998 2015 Nissan Micra (Nissan Review: driving a $9998 2015 Nissan Micra (Nissan's most efficient manual in Can/US.)

MetroMPG gets a Nissan Micra to review for a week.

Started by MetroMPG in forum: General Efficiency Discussion - 84 replies

VW Lupo 3L --> 2L

Vekke has taken one of the world's most efficient cars and is modifying it extensively for even better results. "Best fuel consumption so far is 2.24 L/100km at 80 km/h average speed, which equals 105 MPG (US) at 50 MPH avg. speed."

Started by Vekke in forum: EcoModding Central - 387 replies
VW Lupo 3L --> 2L


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Save fuel with a ScanGauge II fuel economy computer


Read review & learn more

Chevrolet Aveo forum: discussion of the Chevy Aveo and its siblings (Pontiac Wave, Pontiac G3, Suzuki Swift+, Daewoo Kalos).




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