Top Vehicles MPG (US)
Gasoline cars, last 90 days...
1.1992 Honda civic VX88.65
2.1993 Honda Civic VX74.47
3.2005 Toyota Echo 68.41
4.2014 Mitsubishi Mirage DE65.3
5.1995 Honda Civic VX63.84
6.2001 Honda Insight 62
7.1992 Honda Civic CX61.96
8.1999 Suzuki Swift 61.44
9.1998 Honda Civic DX Coupe60.48
10.2012 Toyota Aygo T2 Air58.65
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.
 
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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

Boat tail project based on a single wheel trailer... Boat tail project based on a single wheel trailer...

BamZipPow's epic customization & refinement of a single-wheel, drag-reducing trailer used on his already extensively aero-modified 1998 Toyota T-100 pickup. "Mileage is averaging around 27mpg with the trailer," he says, which he estimates is about a 2 MPG improvement.

Started by BamZipPow in forum: Aerodynamics - 519 replies

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

2005 Prius engine into 1986 MR2: mk1 1nzfxe Prius swap (gas only) 2005 Prius engine into 1986 MR2: mk1 1nzfxe Prius swap (gas only)

Mr220v informs us that used Prius engines are dirt cheap, and therefore fun to experiment with! He swapped one into an MR2, and using the Prius variable cam timing/Atkinson design, he now has variable compression on demand, via a push-button. He's still working out tuning, but fuel economy has gone up a healthy amount, from ~30 to 37 mpg (US).

Started by mr220v in forum: Success Stories - 103 replies

Slow progress but progress (DIY two seater tadpole trike, 9hp Honda diesel)

Old Mechanic is developing an efficient, aerodynamic platform for a tadpole vehicle with the flexibility to run various drivetrains, including (ultimately) his patented hydraulic hybrid drive system. Initial plans are to power it with a single cylinder Honda diesel mated to a Harley 5 speed.

Started by Old Mechanic in forum: EcoModding Central - 367 replies
Slow progress but progress (DIY two seater tadpole trike, 9hp Honda diesel)

Ren: My Ren: My '92 Civic

Following on the heels of the aesthetically entertaining, aero-modified Project Anal Probe (1992 Ford Probe), Sven7 is well underway in the transformation of his latest steed into an even more efficient and unique looking machine.

Started by Sven7 in forum: EcoModding Central - 387 replies

Urba Centurion Update - (Kubota diesel, 100+ MPG in mixed driving - Fall 2012 on)

Changzuki describes the progress of this diesel-powered custom car, with Triumph Spitfire manual transmission and rear differential. Top speed from the 850 cc Kubota is 65 mph, and it's returning 100+ MPG in mixed driving.

Started by changzuki in forum: EcoModding Central - 394 replies
Urba Centurion Update - (Kubota diesel, 100+ MPG in mixed driving - Fall 2012 on)

OG OG's VX Build: HyperMile Driving with some JDM Styling

Member OG VX documents the ongoing restoration/ecomodding of his 1992 Honda Civic VX with tons of details and photos. Already averaging 54 mpg (US).

Started by OG VX in forum: EcoModding Central - 357 replies

City ecodriving comparison: 2014 Mirage CVT vs. Mirage 5-speed vs. 1998 Metro 5-speed

Econobox fuel-sipping shootout, new vs. old school: MetroMPG was curious about the fuel economy potential of the 3-cylinder 2014 Mitsubishi Mirage. So he pitted a 5-speed manual Mirage against a Mirage CVT against his modified 1998 Geo Metro (Firefly) manual in a city MPG comparison.

Started by MetroMPG in forum: Hypermiling / EcoDriver's Ed - 78 replies
City ecodriving comparison: 2014 Mirage CVT vs. Mirage 5-speed vs. 1998 Metro 5-speed

89 civic wagovan 5spd (very slow build: power + ecomods & lots of pics!) 89 civic wagovan 5spd (very slow build: power + ecomods & lots of pics!)

Meet "Skiddy", a 1989 Honda Civic Wagon being transformed into a "dual purpose" sleeper: 300 horses PLUS a pile of efficiency mods. The goal is 35 MPG (US) combined (compared to the original EPA rating of 28 MPG combined).

Started by vrmouseyd15b in forum: EcoModding Central - 296 replies

Double kilotank: 2,009.6 mi on one 35 gal tank ('07 Dodge Ram 2500 quad cab)

Distance: 2,009.6 miles; Fuel used: 35.0 gallons; Actual measured mileage: 57.42 mpg. Diesel_Dave notes the additional modifications & techniques used to accomplish this feat in this thread.

Started by Diesel_Dave in forum: Success Stories - 73 replies
Double kilotank: 2,009.6 mi on one 35 gal tank (

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 - 7047 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 - 803 replies
Notable eco-cars (old & new) spotted in the wild: post your pics!

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

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 - 1921 replies

Aeromodded Civic VX 72mpg (image heavy)

Ecotex shares with us his father's modified Civic VX that gets very impressive mileage.

Started by ecoTex in forum: EcoModding Central - 349 replies
Aeromodded Civic VX 72mpg (image heavy)

Echo-Troll Modding Thread (2005 Toyota Echo) Echo-Troll Modding Thread (2005 Toyota Echo)

Follow the progress of an extensive aeromodding project on a 2005 Toyota Echo 1.5L , 5-speed. EPA : 30 City \ 38 HWY \ 33 Combined MPG (US). Modified MPG: 60 to 75 MPG in a 4.3 mile commute \ 60 to 67 mpg on the highway.

Started by echo-francis in forum: EcoModding Central - 301 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 - 379 replies
VW Lupo 3L --> 2L

Automotive Aerodynamics (video series) Automotive Aerodynamics (video series)

Forum member and aero researcher graysgarage is producing info-rich, YouTube videos on a variety of automotive aerodynamic topics. They include clear explanations, plus lots of flow test footage and analysis. And he's taking suggestions for future episodes.

Started by graysgarage in forum: Aerodynamics - 29 replies

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 - 156 replies
Speed vs. MPG charts (post

Commercially produced aerodynamic pickup bed cap Commercially produced aerodynamic pickup bed cap

Brett Herndon is a genuine craftsman who has combined his skill in clay modeling with his knowledge of aerodynamics to produce a professional quality aerodynamic truck cap which will literally pay for itself in gas savings. It's unlike anything you've seen before: it can be used as a big hatchback, transformed into a conventional box cap, or have its top removed to make room for oversize loads. Brett is taking his handiwork into commercial production, and is a success story waiting to happen.

Started by MetroMPG in forum: Aerodynamics - 524 replies

Another truck aero cap idea...

Follow the evolution of BamZipPow's aerodynamic cap for his 1998 Toyota T-100 pickup.

Started by BamZipPow in forum: Aerodynamics - 355 replies
Another truck aero cap idea...


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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