Stopping distance

Greenman

Lifer
Oct 15, 1999
21,661
6,118
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Why can't I find this? Isn't there a list somewhere that says car x will go from 60 to 0 in x feet?

Specifically, I'm looking for the difference between bikes and cars. I found a list of the top ten bikes for stopping distance (it's somewhat surprising), but can't find it for cars.


help
 

JulesMaximus

No Lifer
Jul 3, 2003
74,544
924
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http://forums.vwvortex.com/showthre...H-in-Less-Than-100-Feet&p=74995879&viewfull=1

a pretty good list of stopping distance on performance vehicles. It lists tires and brakes too, which is helpful

stopping distance depends on many factors, one of them being weight. Motorcycles have a lot less weight to stop.

They also have a lot less grip. That said, a motorcycle with a proficient rider will be able to stop nearly as fast if not as fast as any high performance car with street tires. A bike will out brake your average sedan, suv or minivan easily.
 
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fralexandr

Platinum Member
Apr 26, 2007
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www.flickr.com
They also have a lot less grip. That said, a motorcycle with a proficient rider will be able to stop nearly as fast if not as fast as any high performance car with street tires. A bike will out brake your average sedan, suv or minivan easily.

Since they're on 2 tires is it relatively 1/2 as much grip? I guess it'd have to be even less, due to tire/road contact surface area (motorcycle tires are more rounded to help cornering right?) based on the similarish stopping distances and the large momentum discrepancy.
 
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Greenman

Lifer
Oct 15, 1999
21,661
6,118
136
Under a 100 feet is serious stopping. It appears that the best production bikes stop in just under 110'.

I have no idea how fast a normal production car will stop though, would 120' be unreasonable?
 

JulesMaximus

No Lifer
Jul 3, 2003
74,544
924
126
Under a 100 feet is serious stopping. It appears that the best production bikes stop in just under 110'.

I have no idea how fast a normal production car will stop though, would 120' be unreasonable?

A 2005 Lotus Elise would do it in around 110' and that was Ferrari territory at the time. That is an exceptional road car though and even today that is a distance that would be impossible for most production cars to match. There are a number of seriously expensive sports cars that could match it but your average sedan, stupid useless vehicle, or minivan wouldn't even come close.
 

Fenixgoon

Lifer
Jun 30, 2003
32,852
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Under a 100 feet is serious stopping. It appears that the best production bikes stop in just under 110'.

I have no idea how fast a normal production car will stop though, would 120' be unreasonable?

I believe anywhere between 115-130 is typical. Depends on the car, the tires, etc.

Under 110 is generally excellent and as you said...under 100 is bonkers.

Someone did a 0-100-0 test of an R8 vs. a Ducati Diavel IIRC. Not exactly a perfect comparison, but the point being is the Ducati crushed the R8 from 0-100, but in turn was destroyed in the 100-0 braking section and the R8 had the shorter overall distance due to that.

In the end, 4 large contact patches > 2 small ones
 

JulesMaximus

No Lifer
Jul 3, 2003
74,544
924
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I believe anywhere between 115-130 is typical. Depends on the car, the tires, etc.

Under 110 is generally excellent and as you said...under 100 is bonkers.

Someone did a 0-100-0 test of an R8 vs. a Ducati Diavel IIRC. Not exactly a perfect comparison, but the point being is the Ducati crushed the R8 from 0-100, but in turn was destroyed in the 100-0 braking section and the R8 had the shorter overall distance due to that.

In the end, 4 large contact patches > 2 small ones

I suspect that an 1199 Panigale would crush the Audi in the same comparo. The Diavel is fast but the Panigale is faster, and lighter, and has better brakes and chassis.
 

natto fire

Diamond Member
Jan 4, 2000
7,117
10
76
TIRES, Tires, tires. I have never driven any vehicle, except a '76 Buick Sylark with capped rear brakes, that had a braking system incapable of exceeding the grip of the tires and either locking them up or creating an ABS event. The suspension, calipers, pads, weight, or number of wheels will affect how it feels to the driver when this happens, or how many times you can do this panic stop before you are unable to beat that tire friction, but it mainly comes down to the tires and surface you are on to determine stopping distance.

The average driver's reaction time is so slow that stopping distances are really a bandaid for how quickly you can react to what you need to stop for anyways.
 

Greenman

Lifer
Oct 15, 1999
21,661
6,118
136
I suspect that an 1199 Panigale would crush the Audi in the same comparo. The Diavel is fast but the Panigale is faster, and lighter, and has better brakes and chassis.

I don't believe there was a duck in the top ten stop distances that I saw. Of course I can't find the damn thing again to look, so I could well be thinking about a different list entirely.
 

JulesMaximus

No Lifer
Jul 3, 2003
74,544
924
126
I don't believe there was a duck in the top ten stop distances that I saw. Of course I can't find the damn thing again to look, so I could well be thinking about a different list entirely.

I've seen that list and it is pretty old. IIRC there was a Harley and an SV650 on it.

The Panigale is faster than the Diavel so 0-100 would improve quite a bit, probably enough to beat the Audi.

By the way, I found some 60-0 braking times in a past issue of Road & Track (April 2013). If you are thinking of some particular cars I could look them up for you if they're in there.

Here are a few popular models:

Subaru Impreza WRX STi Limited 119'
Volkswagen Golf R 130'
Toyota Prius C 128'
Subaru BRZ Premium 128'
Mitsubishi Lancer EVO GSR 123'
Mini Cooper S 119'
Mazda 3i Touring 135'
Kia Optima Turbo 135'
Ferrari 458 Italia 106'
Corvette ZR1 105'
BMW 328i Sedan 123'
Chrysler 300S 129'
 
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Greenman

Lifer
Oct 15, 1999
21,661
6,118
136
I've seen that list and it is pretty old. IIRC there was a Harley and an SV650 on it.

The Panigale is faster than the Diavel so 0-100 would improve quite a bit, probably enough to beat the Audi.

By the way, I found some 60-0 braking times in a past issue of Road & Track (April 2013). If you are thinking of some particular cars I could look them up for you if they're in there.

Here are a few popular models:

Subaru Impreza WRX STi Limited 119'
Volkswagen Golf R 130'
Toyota Prius C 128'
Subaru BRZ Premium 128'
Mitsubishi Lancer EVO GSR 123'
Mini Cooper S 119'
Mazda 3i Touring 135'
Kia Optima Turbo 135'
Ferrari 458 Italia 106'
Corvette ZR1 105'
BMW 328i Sedan 123'
Chrysler 300S 129'

This is exactly what I was looking for, just everyday cars.
The difference between cars and bikes isn't all that great. Toss out the Vet and the Ferrari and it looks like 120' is about the average. The list I was looking at put the best bikes at just under 110'.

The entire point of this exorcise was to try and get an idea of how much faster or slower my bike is capable of stopping as opposed to the car behind me, and how long it actually takes me to shut it down. I can get pretty close to the sub 110' the specs claim, but it's scary as hell (no ABS). I would guess that I could trim that distance a bit by going to a 240 rear tire, but I'd have to buy a new rim and I'm far to cheap for that.

The three stats that actually matter to me are 60 to 0, 0 to 60, and to a far lessor extant 60 to 80 roll on without a downshift. Everything else is just so you can brag to your buddy's, with no real value on the street.
 

jagec

Lifer
Apr 30, 2004
24,442
6
81
stopping distance depends on many factors, one of them being weight. Motorcycles have a lot less weight to stop.

Assuming that your brakes can overpower your tires at any point during the braking test, vehicle weight is irrelevant. Only tire grip matters, and on a perfectly even surface this is more a function of tread compound than contact patch.

Part of the motorcycle disadvantage is that the weight distribution is such that you can end up lifting the rear wheel...which means that you have to back off on your front brake, costing you distance.
 

JulesMaximus

No Lifer
Jul 3, 2003
74,544
924
126
This is exactly what I was looking for, just everyday cars.
The difference between cars and bikes isn't all that great. Toss out the Vet and the Ferrari and it looks like 120' is about the average. The list I was looking at put the best bikes at just under 110'.

The entire point of this exorcise was to try and get an idea of how much faster or slower my bike is capable of stopping as opposed to the car behind me, and how long it actually takes me to shut it down. I can get pretty close to the sub 110' the specs claim, but it's scary as hell (no ABS). I would guess that I could trim that distance a bit by going to a 240 rear tire, but I'd have to buy a new rim and I'm far to cheap for that.

The three stats that actually matter to me are 60 to 0, 0 to 60, and to a far lessor extant 60 to 80 roll on without a downshift. Everything else is just so you can brag to your buddy's, with no real value on the street.

I would tend to agree with you on this. I rode an MV Agusta Brutale 1090 recently and that bike is way too fast for the street IMO.

10' is enough of a difference that I would still be concerned about what is behind you and whether the person driving is paying attention.
 

C1

Platinum Member
Feb 21, 2008
2,375
110
106
Ya, I remember my 87 Yam. OEM tires were like soap erasers, but the machine really gripped the road and displayed fabulous breaking capability. (Those compliant tires had a road life at best 7K miles. Im sure it was done for safety.] Always remember that locking up the back wheel(s) [car or bike] results in skid. It is the difference between rolling and sliding friction.
 

Zenmervolt

Elite member
Oct 22, 2000
24,514
34
91
From the April 2013 issue of Road & Track's Road Test Summary, the range for 60-0 stopping appears to be between 103 feet for the 2012 Corvette Z-06 to 147 feet for the 2012 Jetta GLI. A Buick Regal managed 119 feet, a Ford Focus, 118 feet.

For most "sporty" sedans, the range seems to be about 115-130 ft.

If you're wondering why I used the April issue and not a more recent one, it's because Hearst took a great big giant shit all over the magazine's format and eliminated almost all of the data from the summary in the back of the new issues.

EDIT: This is what I get for not reading the full thread. Jules beat me to it with the same source.

ZV
 
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Fenixgoon

Lifer
Jun 30, 2003
32,852
12,110
136
I suspect that an 1199 Panigale would crush the Audi in the same comparo. The Diavel is fast but the Panigale is faster, and lighter, and has better brakes and chassis.

that's why i said it wasn't a perfect comparison. but at the end of the day, you're going to be able to stop faster in a car, provided all else is "equal" between a car and bike.

fwiw, MCnews got a 119 foot stopping distance for 60-0 on an 1199.

http://www.mcnews.com/mcn/features/2012SeptBMW_Duc.pdf
 

dawheat

Diamond Member
Sep 14, 2000
3,132
93
91
Most everyday cars are also hamstrung by tires that last 50-70K miles. Slap a better than average set of summer tires (not comp tires at all) and stopping distances come down quite a bit.

http://www.motortrend.com/features/...p_from_mph_in_less_than_100_feet/viewall.html

Supercars at the top, but I'm more impressed that some cars running just Michelin Pilot Sport PS2 are under 100ft. PS2 are good summer tires, but aren't track tires by any means and not even the grippiest summer sport tires available.
 

JulesMaximus

No Lifer
Jul 3, 2003
74,544
924
126
Most everyday cars are also hamstrung by tires that last 50-70K miles. Slap a better than average set of summer tires (not comp tires at all) and stopping distances come down quite a bit.

http://www.motortrend.com/features/...p_from_mph_in_less_than_100_feet/viewall.html

Supercars at the top, but I'm more impressed that some cars running just Michelin Pilot Sport PS2 are under 100ft. PS2 are good summer tires, but aren't track tires by any means and not even the grippiest summer sport tires available.

Tires age too and brakes fade plus you get undulating surfaces, debris, oil. Figure these times posted are the best your car will do under ideal conditions. You probably won't be able to match this in the real world.
 

JCH13

Diamond Member
Sep 14, 2010
4,981
66
91
You might find more results looking at 70mph-0 braking distances for cars, that seems to be a more common metric these days from what I've seen.

FWIW I think a motorcycle is more limited by weight transfer than anything else in regards to acceleration and braking. Basically: weight is high, wheelbase is short, so you can only accelerate so hard before the flips over forwards or backwards.

Vehicle mechanics aside, I've seen enough fail videos to consider this proven.
 

Midwayman

Diamond Member
Jan 28, 2000
5,723
325
126
Biggest downside to a bike is that if you lock up that front tire really bad things happen quick.
 

disappoint

Lifer
Dec 7, 2009
10,132
382
126
22 Cars that Stop from 60 MPH in Less Than 100 Feet

The Under 100 Club: What Goes Fast, Must Slow Down Fast, Too


http://www.motortrend.com/features/...less_than_100_feet/viewall.html#ixzz2WnA4Glbs


Two cars in particular caught his eye. The Porsche 911 GT3 RS and the Chevy Corvette Z06 both needed less than 100 feet of pavement to come to a halt. Not surprisingly, these two beasts share a few commonalities. They both have sophisticated sport-tuned suspensions that help combat balance-disrupting nosedive once the brakes clamp down. Additionally, they're both fitted with carbon-ceramic disc brakes. Although not necessarily better than metal discs at hard stops, the carbons do an amazing job of keeping stopping power dialed to 10, lap after punishing lap. And finally, both cars wear super-sticky, barely-street-legal Michelin Pilot Sport Cup race-compound tires. As we've said a million times, tires are the simplest and cheapest (relatively speaking) way to improve your car's performance. Yes, we realize a full set of Sport Cups will set you back more than $2000, but considering the $7000-plus price tag on a carbon-ceramic brake system, we consider that a deal

edit: oops I see someone posted it already. I'll leave it up anyway.
 
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Nyati13

Senior member
Jan 2, 2003
785
1
76
I just looked it up for my car, got me curious.

Subaru Outback 3.6R

60-0 in 131 ft on OEM M&S tires.

Not too shabby for such a big sucker.
 
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