Evolv

iTrader: (1)

Here's a tricky one. According to MazdaUsa.com the new renesis will be 40% more fuel efficient then the current rotary engine.

Here's their exact words:
"When idling, the RENESIS consumes 40% less fuel than the latest production rotary engine."

That being the case, can anyone provide an aproximate mpg or L/100km for us non-imperial do-gooders.

thanks

p.s. I'm ordering a black one, with the personalized plate "EVOLV"..

However a plate that says "3M TA3" would be funnier :D

Donny Boy

I'm not sure about the 40%, I read 30% and that was it. But if they're improving on mileage, I'll be even happier with the car. Just keep the performance as good or better than we now expect it to be.

Mileage around 30 mpg on the highway would be like a dream.

Hercules

Figure the RX-7 used to get 19/23 or something like that, so an improvement will be great, figure maybe 22/28, which for me is fine.

My Millenia has been getting TERRIBLE gas mileage but today I replaced the air filter so hopefully that is the culprit

Evolv

iTrader: (1)

Here's the link to Mazda's claim to having 40% more efficiency

Mazda 40%

You may have to scroll down a bit to read it.

Hercules

Yes but I take it with a grain of salt.. "up to 40%" doesn't equal 40% regardless. Let's see what happens when they actually give us the EPA estimates

2007RX-8

Mazda says, "When idling, the RENESIS consumes 40% less fuel than the latest production rotary engine." If you spend all of your time idling, you will realize about 40% better fuel economy than your 3rd Gen RX-7. For accelerating and cruising, even a 10 - 20% improvement over the RX-7 would be significant.

wakeech

yes, but the idling fuel savings will drastically improve the city MPG rating, which is the one that really moves cars out the door, 'cause the highway rating is pretty high for any vehicle, and how many people acutally cruise at part throttle exactly on the speed limit, with no hills, no traffic, most of the time anyways?? exactly, not SO many as driving in the city... but the RENESIS's biggest economy gains are where you'd spend most of your time in stop-and-go commuting traffic, and at stoplights... real world driving.

anyhoo, this engine's only gotta outclass (really) the VQ, and i'm sure that'd be enough to take care of at least a few competitors as people shop around... whatever they might be.
then of course when they drive it... :D

Hercules

Rotary vs V6? No question! :D

Rotary rules

Fëakhelek

I am very happy to see prices announced in today's NAIAS press release, but I don't see any new info on fuel economy. Has anyone found anything more recent/reliable on this?

Buger

Previous rx-7s were EPA rated at 17/25. This includes the twin-turbo 3rd gen.

I previously estimated the rx-8 to be around 19/27 EPA mpg. I haven't found the official Mazda specs yet. The EPA #s will probably take awhile to come out.

Brian

Fëakhelek

Thanks. I don't know where you get all of your stuff, I'm just glad you do. This site would have half the info it does without you.

rx-8@mazda

Depending on engine size fuel consumption should then be between 10.6L and 11.8 per 100/km

Beemer

At least somebody who posts in liter/km
I couldn't see the forest between the trees anymore with al those mpg this and mpg that...

sheylen

Yes! And horses pull their cars as they still calculate with hp instead of the scientific KW?:

Quick_lude

Touche.. but the mpg doesn't make sense to me either.. Metric rules! :D I'm hoping in REAL LIFE conditions the RX-8 returns about 13L/100km whatever that is in mpg. :p

Beemer

I'll keep those horses
Don't know what those kw's are anyway
The € conversion is hard enough for me :D

B-Nez

Metric most definitely DOES rule. Have you ever tried building scale model prototypes of custom office furniture using standard? I'll use metric every time. So much simpler to drag the decimal point over a place or two, than having to repeatedly convert fractions into decimals, and vice versa, watching the remainders round off every few times.