Top Vehicles MPG (US)
Gasoline cars, last 90 days...
1.1992 Honda civic VX90.4
2.1993 Honda Civic VX73.45
3.1991 Honda Civic Wagon DX73.16
4.1994 Geo Metro 72.22
5.2005 Toyota Echo 68.41
6.2014 Mitsubishi Mirage DE66.98
7.2001 Honda Insight 62
8.1998 Honda Civic DX Coupe60.98
9.1999 Suzuki Swift 59.62
10.2009 Honda Fit Sport59.49
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 - 545 replies

Front Air Dam ABA test results: 7.49% increase in MPG at 60 mph (2003 Honda Civic DX)

The addition of lawn edging air dam to this 2003 Civic DX shows very good results in testing: mileage jumps from 44.7 to 48 mpg in multiple 60 mph comparison runs. The downside: it scrapes a lot in normal driving. (Just like the very deep factory air dam on the Chevrolet Volt.)

Started by whatmaycome14 in forum: Aerodynamics - 43 replies
Front Air Dam ABA test results: 7.49% increase in MPG at 60 mph (2003 Honda Civic DX)

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 - 338 replies

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 - 1951 replies
You know you

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 - 7066 replies

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 - 388 replies
OG

Notable eco-cars (old & new) spotted in the wild: post your pics! 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 - 829 replies

Boat tail - Redneck style...

Redneck builds a boat tail for his Geo Metro out of EMT tubing, skinned in 1/2 inch thick foam insulation board. Initial results show a ~15% improvement in real world highway MPG.

Started by redneck in forum: Aerodynamics - 163 replies
Boat tail - Redneck style...

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 - 526 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 - 344 replies
Project Extended Pop-Top Aerodynamic Camper Shell (

Full-boat-tail trailer with gap-fillers for Toyota T-100 pickup Full-boat-tail trailer with gap-fillers for Toyota T-100 pickup

Phil says: "The boat hull is far from ideal but using it will save hundreds of man-hours. Maybe 40 mpg HWY... we'll see. P.S. the trailer is large enough to serve as a rigid tent, for car-camping."

Started by aerohead in forum: Aerodynamics - 354 replies

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 - 87 replies
3rd gen Prius aeromod thread

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 - 305 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 - 79 replies
Double kilotank: 2,009.6 mi on one 35 gal tank (

City ecodriving comparison: 2014 Mirage CVT vs. Mirage 5-speed vs. 1998 Metro 5-speed 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 - 91 replies

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 - 482 replies
Buy a trailer (instead of a pickup truck)

208 km (129 mi.) in EV mode with a 2007 prius plugin 20kWh 208 km (129 mi.) in EV mode with a 2007 prius plugin 20kWh

Planetaire shares his very nice 2nd gen Prius PHEV conversion.

Started by planetaire in forum: Hybrids - 27 replies

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 - 392 replies
Ren: My

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 - 298 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 - 371 replies
Slow progress but progress (DIY two seater tadpole trike, 9hp Honda diesel)


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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