See also:

Fuel requirements
Gasoline engine (unleaded) Your new Kia vehicle is designed to use only unleaded fuel with a minimum Octane Rating of 87 Anti-Knock Index (AKI). NOTICE NEVER USE LEADED FUEL. The use of leaded ...

Under-the-Hood Options
Kia Soul offers an agile, smooth and spirited ride. Its 1.6-liter, four-cylinder engine is mated to a five-speed manual transmission, which produces approximately 120 horsepower. For those looking ...

Vehicle weight
loading of your vehicle, to keep your loaded vehicle weight within its design rating capability. Properly loading your vehicle will provide maximum return of the vehicle design performance. Before ...