See also:

Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended above can cause persistent, heavy spark knock. (Spark knock is a metallic rapping noise.) If severe, this can lead to engine damag ...

Carlike Handling
As always, the FX handles well, in league with the likes of BMW's X5 and Porsche's Cayenne — specifically the X5 xDrive35i and the base Cayenne, if you're comparing price and powertrains. These co ...

Cargo & Towing
Despite a high load-in height and a protruding bumper you'll have to lift items over, the cargo opening isn't as bad as it could be. Other big luxury SUVs, like the Lexus LX 570 and some Land Rove ...