The most MPG we can get? --- for all us Hypermilers

[Basslover911]

So unlike 99% of you guys here, I'm planning on buying this car for it's fuel efficiency and not so much the sportiness (though I don't mind that )

I'm a hypermiler, and don't know if anyone else here plans on doing that or modifying solely for efficiency, but my question is...

what mpg numbers do you really think we can get? gen 1 insight numbers maybe? (60+mpg)

[TCroly]

I will be interested in your results, but I cannot predict anything even close the to original Insight.

Considering the differences

Weight: Original Insight 1850 lbs. CRZ 2640 lbs.
Engine: Original Insight 3 Cyl 1.0L CRZ 4 cyl 1.5L
Tire size: Original Insight 165/65 CRZ 195/55
Drag coefficient: Original Insight .25 with a smaller frontal area CRZ ?? but much greater than .25

Based on these differences, the CRZ, which is still utilizing the same basic IMA technology, is going to be at least 30 to 40% less fuel efficient than the original Insight.

[lexsum]

there will be better computer control technology on the fuel usage etc. in ten+ years which might help. but you are right that it won't get 60 - i'm only in 30s for city driving so far.

[Basslover911]

I find that REALLY strange that it can't get any better... Heck It gets almost the same as the NON hybrid Honda fit... ??

[bizzybear]

i'd really like to see your results Bass... i'm interested in efficiency but also being able to move at a decent pace so my mods will be mixed... more focused on efficiently creating power...

i expect real-world numbers around 45-55mpg combined... +60mpg should be possible in an all highway hypermiling drive... i wouldn't be shocked to see over 80mpg if someone knows how to be really good at hypermiling... what's the record like 110mpg or something on a gen1 Insight?? that's where i'm grabbing my numbers from...

[Basslover911]

Yeah with the MIMA controller they make for the gen1 (which I'm sure they will make for the crz) they can get well over 100mpg it's insane.

The thing about mods is that most people don't know that fuel efficiency and fast go hand in hand. If you were to make wheel covers (like racing discs or wheel fairings) you would get both better fuel efficiency AND a higher top speed and better acceleration

So you don't really have to give one up to get the other one.

Hasn't someone here already gotten 40+mpg on regular mixed driving? (I'm sure in 100% Eco mode and hypermiling it we could get at least 48-50mpg.

[bizzybear]

i heard the IMA system was changed or didn't allow for MIMA anymore... if MIMA can be used, i'm definitely voiding my warranty to get it haha...

[GoHuskies]

I've managed 60+ MPG sustained on the highway in my civic hybrid.

However the CR-Z the 6-speed MT is not going to have ideal gear ratios for highway cruising. As already noted over at cleanmpg.com the 6-speed CR-Z runs rather high rpm's on the interstate. Almost 3000 rpm needed to do 70 according to Wayne, who had a press fleet CR-Z EX for a couple days.

The CVT models may end up managing the best fuel economy because they can keep rev's sustained much lower.

Also the CR-Z lacks the third stage VTEC from the civic hybrid. The Insight II also lacks this which is partly why despite being several hundred pounds lighter the Insight II nets a lower EPA highway number. 43 vs 45.

[bizzybear]

i would agree with your logic... the one thing those number don't take into consideration is the human factor... the human can alter their driving in a manual car easier than a CVT or Auto car... which is one of the reasons why everyone praises the gen1 Insight for having manual... they were able to not only add something called MIMA which allowed them to turn on/off the IMA per drivers request... and coasting is also easier in manual than auto b/c once it's back in gear it goes to your desired rpm unlike an auto car...

like i said b4... i avg 46mpg 80%hwy/20%city on a 2009 LX Civic Sedan... with IMA and a smaller engine... i'm sure i can get more than that... not to mention my Si at 4000rpm averaged 32hwy/mpg with 500lbs extra in the already 3000lbs (me+car) car... btw my Si was also at 3000rpm doing 70mph and still got great hwy gas mileage...

[GoHuskies]

I don't mean this to come off as rude but could you provide photos to show the 48 mpg in a civic LX?

50 mpg or so the goal of many hypermilers in the Honda Fit. An even smaller car. They go all out with pulse & glide driving. Basically they keep killing the engine and use momentum and pumped up tires to spend long distances gliding.

Here in CT If I stick to the speed limit of 65 mph and use A/C I'll get just 40-41 mpg. Do 55 mph and I might get 45-48 mostly thanks to 50 psi LRR tires and the little 1.3L engine.

Unless your just plodding along at 50 or so on a flat section of FL interstate with no A/C I can't see the R18 civic managing close to 50 mpg....