See also:

Fuel requirements
Your new vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher. Your new vehicle is designed to obtain maximum performanc ...

Handling and Braking
Considering it’s one of the least expensive affordable small cars in the class, the 2011 Kia Rio handles very well. Test drivers report that its ride is smooth and stable, and the cabin is quiet ...

Brake system
Power brakes Your vehicle has power-assisted brakes that adjust automatically through normal usage. In the event that the power-assisted brakes lose power because of a stalled engine or some oth ...