MPG Disappointment

Nismo89

actually on the contrary... after all the filing and paperwork was done ( i got top dollar for my Accent, since it was in great condition and less than 25 k miles on it for a 2008) The Z is my 2nd car. and the woman that finalized the paperwork looked at me and said " arent you excited at all? your now the Owner of a BRAND NEW 2011 NISSAN 370Z...... and yet.... your just sitting there, straight faced and silent. .. your not the least bit excited?"

" no im excited-"
" your not exactly showing it"
" i am, but its now my car now. and i probably will have this thing forever... excitement can wait"
" thats a very mature way of viewing it, most kids 21 years old like you would be smiling from ear to ear and literally bouncing off the walls...your.... just....sitting there stoned face"
" im excited. "
" well thats good"

i love my car. and if anyone else besides me drives it, im texting, calling. exc to get it home (mom, dad, exc) lol .

my excitement for the Z, comes with me being very protective of my first ever sports car. you know i hear all these stories about guys in the 50s, 60s and 70's saying " i remember my first sports car.. man... i really wish i still had it"....i want to be able to say " yea i remember my first sports car... its right there, and still runs perfect"

do i have a larger than life grin at the thought of having it? you bet haha.. now

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Augustus

Regarding the Porsche Boxster Vs. 370Z comparison, pay attention to what you're actually comparing...

A Base Boxster has a 265hp 2.7L engine*. It's rated @ 30mpg highway. $50K
A Boxster S has a 315hp 3.4L engine*. It's rated @ 28mpg highway. $61K

A Base Cayman has a 265hp 2.7L engine. It's rated @ 27mpg highway. $52K
A Cayman S has a 320hp 3.4L engine. It's rated @ 26mpg highway. $62K.
A Cayman R has a 330hp 3.4L engine*. It's rated @ 27mpg highway. $66K.

*These engines are newly Direct-Injected, which accounts for their MPG improvement over the other engines.
(And no, this isn't from memory, I'm looking at porsche.com for the numbers)

A 370Z has a 332hp 3.7L engine. It's rated @ 26mpg highway. $33K. No direct-injection.

A base Boxster should trump a 370Z's MPG because its engine is direct-injected, a liter smaller, and produces 70hp (and 60 ft/lbs of torque) less than the 3.7 in the Z.

If you want the ~330HP & similar torque that a 370Z brings to the table, you've got to look at a Boxster/Cayman S or better. At that point, you're within a couple of MPG of a 370Z. A Cayman S, is exactly the same @ 26mpg. 1-2 mpg differences are quite irrelevant, as the difference will vary much more than this by driving style, driver, conditions, etc. And especially when we're talking about $60K+ cars, who cares about 1mpg more or less?

Am I happy with my Z's fuel economy? Yes. The EPA window sticker on my 2011 370Z MT says 18 city, 26 highway. With 6,700 miles on my odometer, I'm getting 16-19 in the city (highly dependent on the trip distance & my right foot). Steady, 70mph cruise-control highway with negligible wind, I'm seeing ~27 mpg. This is stock + K&N drop-ins, if that makes any difference (which I doubt).

I would humbly suggest that if your Z is literally only getting 20mpg on the highway, something may be wrong with your Z. I'd get it checked out.

kenchan

this has nothing to do with mpg. please post comments about tornado generator and effective product of the like.

onzedge

Nice analysis work,

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kenchan

augustus is sailfree in disguise.

gy954

I agree. My original post said, "I didn't buy the car for its fuel economy...".

Even though some folks appear to have not given that statement the weight I had hoped for, I want to thank you all for posting in this thread. And some made a good point: I was comparing my real-world experience to ad copy. And I have to confess, I drive with a heavy foot--hey!, that's what the car is for, no?

So again, thanks to all for your contributions here. I like my Z and I like this forum: they're both about having fun.

kenchan

i noticed mr.onzedge really held back on his post cause he really wanted to remove the "oxy" out of that post after posting it. haha

shadoquad

6MT

But not too practical for sports car shopping.

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Andrew

2009 370Z Sport/Touring 6MT sold
2013 Honda Civic Si coupe D/D

shadoquad

I'll see you at the pumps!!! Or maybe not, maybe I'll be at the pump up the street!

onzedge

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Coon-azz

I'm a big Porsche fan, but more towards the Cayman S model...kind of right in the middle of all of them. Anyway, I don't think you're comparing apples to apples.... I think if you bought the Z to be a straight line beast, you bought the wrong car. While 300 + RWHP isn't too bad, my pontiac solstice was pushing that to the ground and did 0-6 in under 5 seconds. Now thats a power to weight issue too but after around 80 MPH, its not going to contend with a big V8 or muscle car. Put it into the turns and most V8s wont see anything but its tail lights. The Porsche is a great car and each has its own purpose. After having the Z for a few months now, it's definately designed for carving up the curves. Its a purpose built car. I bought mine as a daily driver, so I made no mistake that this was going to be a canyon carver for the daily grind and not a weekend trailer queen. And for the $, I think it's pretty refined; campared to my previous Pontiac Solstice GXP. There are a lot of great cars on the road to choose from. Perhapse look at getting a used Porsche for the weekend rides or something?

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Cmike2780

I actually thought 20mpg was still pretty good. I usually average around 22-28mpg of mixed, but mostly highway driving. On the highway, I can get it up to the low 30mpg's......then I see an open stretch of road and forget I'm trying conserve fuel, lol. Lately though, I've been borrowing my sister's Civic for commuting while I finish detailing the Z in the garage. I'm getting close to 40 mpg on the highway. I forgot how nice $40 fill up's with regular were.....but man, the commute is oh soooooo boring. It's like driving an appliance.

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kenchan

Nismo89

i WAS averaging 25.3 miles.. but there's more than one person that hijack the key to mine. therefore the MPG is around 21.3 right now

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