See also:

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. ...

Vehicle weight
This section will guide you in the proper loading of your vehicle and/or trailer, to keep your loaded vehicle weight within its design rating capability, with or without a trailer. Properly loadin ...

Trim Levels:
2011 KIA Rio is available in two styles which include 4 door hatchback model and four door sedan. KIA Rio sedan model will be available in three trim levels which include base, LX and Sporty SX. ...