Uccello
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0-60 acceleration

Tue Jan 25, 2011 10:45 pm

So the acceleration of the Leaf seems _a lot_ quicker than my 2001 BMW 325i. Does anyone know of any accurate specs for the car yet? Has anyone tried to get some 1/8th of a mile stats or 0 to 60 numbers?

These were the only ones I could find and they seem off to me. http://www.edmunds.com/nissan/leaf/2011/road-test-specs2.html

Thanks-

u

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EVDRIVER
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Re: 0-60 acceleration

Tue Jan 25, 2011 10:55 pm

Uccello wrote:So the acceleration of the Leaf seems _a lot_ quicker than my 2001 BMW 325i. Does anyone know of any accurate specs for the car yet? Has anyone tried to get some 1/8th of a mile stats or 0 to 60 numbers?

These were the only ones I could find and they seem off to me. http://www.edmunds.com/nissan/leaf/2011/road-test-specs2.html

Thanks-

u



Likely because of the perception of the high torque early on but then the car dies out. Yes up to 40 it should be faster then that's about it. Have you tested the results/difference with the traction control off?

phxsmiley
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Re: 0-60 acceleration

Tue Jan 25, 2011 11:09 pm

At our Leaf Test Drive event, one of the hosts commented that the Leaf had 0-30MPH acceleration times just as fast or faster than any other car in the Nissan lineup :D Sounded impressive, and I'll bet some people there forgot that he said 0-30MPH and not 0-60MPH!
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EVDRIVER
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Re: 0-60 acceleration

Tue Jan 25, 2011 11:16 pm

phxsmiley wrote:At our Leaf Test Drive event, one of the hosts commented that the Leaf had 0-30MPH acceleration times just as fast or faster than any other car in the Nissan lineup :D Sounded impressive, and I'll bet some people there forgot that he said 0-30MPH and not 0-60MPH!



The 0-60 is nothing worth noting. I can't believe no one has turned off the traction control yet.

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Boomer23
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Re: 0-60 acceleration

Tue Jan 25, 2011 11:46 pm

Funny you should ask, I was thinking of starting a performance thread for the LEAF.

I bought the Feb Road and Track and they have tests of the LEAF and the Volt. Not a comparison test, but individual short reports of both cars.

Here are your numbers:

............LEAF Volt
0-10mph:..0.7 sec 0.8 sec
0-20:.....1.8 ..1.9
0-30:.....3.0 ..3.1
0-40:.....4.6 ..4.6
0-50:.....6.7.. 6.4
0-60:.....9.4 ..8.8
0-70:.....13.1 ..11.7
0-80:.....17.8 ..15.6
0-90:.....24.7 ..20.6
0-100:.....NA ..28.1

1/4 mile: 17.2 ..16.8

Soooo... pretty decent up to about 50 mph. Not sure what your 325i does, but I think you'll find that it is the 0-40 mph that you're feeling.

Another thing that was surprising was the handling numbers.
The lateral acceleration on a skidpad was 0.81g for the LEAF, 0.79 for the Volt (higher numbers are better). Nothing to write home about, but not bad. Most cars R&T tests do quite a bit better.

BUT the slalom speed was quite good at 65.5 mph, 62.6 for the Volt (higher speeds are better, obviously). Not a world beating slalom speed, but very respectable and surprising to the R&T staff. Most of this is the low center of gravity and the reasonably good front/rear weight distribution of 56%/44% versus the Volt's front-heavy 61%/39%.
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gudy
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Re: 0-60 acceleration

Tue Jan 25, 2011 11:50 pm

Ev-driver,

I've turned it off once tonight, and I'm not sure that there was actually a difference in the acceleration. I think that the car is really limiting max power at low speeds. Maybe that it got updated ? I thought I had experienced a better acceleration a few weeks back with the traction control off.
Anyway, the limit really only applies in the very first mph...
I'll try and record speed vs power output, so that you get a sense of what's going on.
By the way, while doing a uturn in a really really steep driveway, I got the front wheels to spin, and had to step on the pedal quite a bit before the car would do anything.... It actually made me think that I would not want to live there with a LEAF. No idea how ICE cars are behaving there though....
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Re: 0-60 acceleration

Wed Jan 26, 2011 12:00 am

gudy wrote:Ev-driver,

I've turned it off once tonight, and I'm not sure that there was actually a difference in the acceleration. I think that the car is really limiting max power at low speeds. Maybe that it got updated ? I thought I had experienced a better acceleration a few weeks back with the traction control off.
Anyway, the limit really only applies in the very first mph...
I'll try and record speed vs power output, so that you get a sense of what's going on.
By the way, while doing a uturn in a really really steep driveway, I got the front wheels to spin, and had to step on the pedal quite a bit before the car would do anything.... It actually made me think that I would not want to live there with a LEAF. No idea how ICE cars are behaving there though....



This could also be a function of the gearing as well. Not sure there why they would limit low speed power. To test the difference you would need to go to the floor in D with traction off. With a taller gear they can achieve a higher top speed and the higher torque can do fine off the line, I could start my EV in 3rd or 4th gear form a dead stop! They may limit high-load power to protect the pack a bit as well but not so sure on that either. It's going to be tough going from an EV with a 150 kw output down to 80 with the same weight. It would have been nice if the LEAF had at least a 0-60 of 8 seconds but it is what it is.

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LakeLeaf
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Re: 0-60 acceleration

Wed Jan 26, 2011 12:12 am

So who is going to trick out their Leaf in order to win the first Leaf drag race event?

We need to find a real drag strip - not sure we'll bring out the masses to witness a Leaf street drag event.

I have an official (wrong sloganed) Leaf T-shirt that I'll put up as a prize :mrgreen:

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drees
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Re: 0-60 acceleration

Wed Jan 26, 2011 9:15 am

phxsmiley wrote:At our Leaf Test Drive event, one of the hosts commented that the Leaf had 0-30MPH acceleration times just as fast or faster than any other car in the Nissan lineup :D Sounded impressive, and I'll bet some people there forgot that he said 0-30MPH and not 0-60MPH!

They would also be lying.

0-30 and 0-40 times as reported by Road & Track
LEAF 3.0 4.6
Volt 3.1 4.6
Sentra SE-R 2.6 3.6
Altima 3.5 SE n/a 3.6
GTR 1.1 1.8
350Z 2.1 3.3

The GTR will be going over 70 mph (4.5 s) in the time it takes the LEAF to get to 30 - of course the cars are as close to apples and oranges as you are going to get!

A lot of those are manual transmission cars so they have the advantage of a clutch drop - unfortunately I can't read the times for the Maxima 3.5 SV which has a CVT, but MotorTrend has the 0-30 and 40 listed as 2.6 3.7.
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TomT
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Re: 0-60 acceleration

Wed Jan 26, 2011 9:57 am

Most of the reliable published numbers put 0 to 60 for the Leaf at around 10 seconds. A BMW 325 does it in under 7. Properly driven - power braking in the case of an automatic - I would expect the BMW to beat the Leaf in any acceleration test. Regardless of the power source, front wheel drive cars are at an acceleration disadvantage due to weight transfer.

Uccello wrote:So the acceleration of the Leaf seems _a lot_ quicker than my 2001 BMW 325i. Does anyone know of any accurate specs for the car yet? Has anyone tried to get some 1/8th of a mile stats or 0 to 60 numbers?
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