Наверное речь все таки о GX470 :
Suspension Suspension, Front Independent,
double-wishbone with coil springs, gas-pressurized shock absorbers and
stabilizer bar Suspension, Rear Four-link with rigid axle, air-spring-type shock absorbers and
stabilizer bar Electronic Suspension
Adaptive Variable Suspension (AVS) Kinetic Dynamic Suspension System (KDSS) Optional
Air Suspension Rear Adjustable Height Control (RAHC) and automatic load leveling
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http://www.lexus.com/models/GX/detailed_specifications.html