Autoblog: Why the Lexus GX may be rollover-prone (and the 4Runner isn't)

There's actually some insightful speculation in here and a little more info on CR's test...

Why the Lexus GX may be rollover-prone (and the 4Runner isn't) — Autoblog

Here's an useful excerpt for some context and also why it's a bad idea to lift throttle during high speed turns:

The CR engineers generally do two laps of the course. Over the first lap they drive through at speed, exploring the limits of the vehicle without doing anything unusual. On the second lap the drivers push harder to see what happens in more extreme conditions. One of the tests is too see what happens when the driver lifts off the throttle mid-turn. Drivers of classic Porsche 911s or Corvairs are all too familiar with the results.

Most modern vehicles will simply understeer straight ahead at the limit. The GX, on the other hand, suddenly swung its rear end sideways. The ESC did not immediately intervene and bring it back in line. Instead, it responded late and because of the degree of instability...
Click to expand...

Autoblog: Why the Lexus GX may be rollover-prone (and the 4Runner isn't)

cwerdna Senior Member

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Autoblog: Why the Lexus GX may be rollover-prone (and the 4Runner isn't)

cwerdna Senior Member