Only three-star rollover scores

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"Models without upgraded audio get novel wide-angle mirrors inside the rear roof pillars that expose some blind spots when backing up." -- Consumer Guide
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I haven't seen this on the 5th gen. Does anyone have these, or are they confusing this with the 4th gen?
 
First, the 4Runner DID NOT TIP in the dynamic 35-50 mph test. The 3-star rating is based totally and completely on a mathematical formula that is heavily influenced by the ratio of the track width to the height of the center of gravity, which is 1.12 according to safercar.gov. From the source:
10. How much effect does the dynamic test result have on a vehicle’s star rating? About 95% of rollovers are tripped - meaning the vehicle struck something low, such as a curb or shallow ditch, causing it to tip over. The Static Stability Factor (SSF) is specifically designed to measure this more common type of rollover and thus plays a significantly larger role in a vehicle's star rating (for model years 2004 and later) than the results of the dynamic maneuvering test.
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For comparison, they give the BMW 3 series 4-door sedan a 4 star rating, based on the 1.44 ratio, an assumption, and NOTHING else because they didn't even bother doing a dynamic test.

Second, the percentage quoted wasn't assigned by the government specifically but calculated based on some chart that doesn't offer any support for it's statistical model. They don't bother revealing how heavily weighted the ratio is in the overall rating.

Third, common sense tells you that a big a$$ truck is not going to corner like a Corvette and is therefore more likely to roll over if you were to be so phenomenally stupid as to attempt to do so. The rating it got was entirely consistent with others in it's class, even if the methodology used is highly suspect.

To answer your last question, 0-10% is 5 stars, 11-20% is 4 stars, 21-30% is 3 stars, and so on.
 
SeattleMike said:
First, the 4Runner DID NOT TIP in the dynamic 35-50 mph test. The 3-star rating is based totally and completely on a mathematical formula that is heavily influenced by the ratio of the track width to the height of the center of gravity, which is 1.12 according to safercar.gov. From the source:


For comparison, they give the BMW 3 series 4-door sedan a 4 star rating, based on the 1.44 ratio, an assumption, and NOTHING else because they didn't even bother doing a dynamic test.

Second, the percentage quoted wasn't assigned by the government specifically but calculated based on some chart that doesn't offer any support for it's statistical model. They don't bother revealing how heavily weighted the ratio is in the overall rating.

Third, common sense tells you that a big a$$ truck is not going to corner like a Corvette and is therefore more likely to roll over if you were to be so phenomenally stupid as to attempt to do so. The rating it got was entirely consistent with others in it's class, even if the methodology used is highly suspect.

To answer your last question, 0-10% is 5 stars, 11-20% is 4 stars, 21-30% is 3 stars, and so on.
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After a quick look, almost no SUV tipped. More importantly, the original article posted stated that most of the vehicles in the class received four stars. From what I see, this is not correct, and most, if not all, received three stars.

As for your cornering statement, rollovers tend to occur when the driver veers off the road when there will be a likelihood of encountering an object or terrain that will lead to the rollover. With passengers, a full tank of gas, cargo etc. chances of rollover increase due to the added weight.

Again, the 4Runner is no worse or better than other SUVs when it comes to rollover — opposed to the article. Four stars were handed out to crossovers, not SUVs.
 
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Three stars or not, I take comfort in the part that says...."The federal government gives the 2010 4Runner five out of five stars for driver protection and four stars for passenger protection in frontal crash tests and top five-star scores for front- and rear-seat passenger safety in side crash tests."

I'm far less worried about rolling the damn thing than I am about some idiot crossing the centre line or running a red light.
 
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