See also:

Ultra-compact six-speed automatic transmission
Developed by the Hyundai-Kia Group for fitment in a wide range of future vehicles, the all-new six-speed automatic transmission now available for the new Kia Sportage is ultra-compact - and can fe ...

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. ...

Impressive Warranty
Hyundai is Kia's corporate parent, so the Optima gets Hyundai's impressive warranty; it includes 10-year/100,000-mile powertrain protection and 5-year/60,000-mile roadside assistance. Kia is put ...