See also:

Tires and wheels
CAUTION When replacing tires, use the same size originally supplied with the vehicle. Using tires of a different size can damage the related parts or make it work irregularly. ...

Rear differential (4WD)
Checking or changing rear differential fluid Have rear differential fluid checked or changed by an Authorized Kia Dealer according to the Maintenance Schedule at the beginning of this section. ...

Powertrains and Performance
The 2009 Kia Sorento is available with two engine choices. The base model and LX are powered by a 3.3-liter V6 that produces 242 horsepower and 228 pound-feet of torque. The EX receives a 3.8-lite ...