See also:

Driving
The Kia is available with 2.0-litre or 2.7-litre V6 petrol engines, but we prefer the 2.0-litre turbodiesel. There's a fair amount of diesel clatter at idle, but once on the move it delivers power ...

SOLID RIDE WITH POWER TO SPARE AND EXCELLENT FUEL ECONOMY
In terms of driving characteristics, the Optima is very much in keeping with the Hyundai Sonata, which shares the same platform. The cabin is quiet and the drive is smooth, with the Optima feeling ...

Tires and wheels
*1 Normal load : Up to 3 persons *2 High speed : above 160 km/h (100 mph) CAUTION When replacing tires, use the same size originally supplied with the vehicle. Using tires of a different size ...