What’s it up against?

Equipped with a V8 engine, the GS’ biggest traditional rivals come from Germany – namely the BMW 550i and Mercedes-Benz E550. But can-do home-market competitor Infiniti’s new M56 presents serious competition, as does the shapely Jaguar XF.

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    Fuel information
    Your vehicle must use only unleaded gasoline. Premium unleaded gasoline with an octane rating of 91 (Research Octane Number 96) or higher required for optimum engine performance. If 91 octane canno ...

    Engine immobilizer system
    The vehicle's keys have built-in transponder chips that prevent the engine from starting if the key has not been previously registered in the vehicle's on-board computer. Never leave the keys insid ...

    Safety
    Packed with 10 airbags and the requisite safety features found in luxury cars these days, the 2010 RX was named a Top Safety Pick by the Insurance Institute for Highway Safety in 2009. For 2010, t ...