See also:

Interior Features
Test drivers say the Rio and Rio5 have easy-to-read gauges and generally like the layout of the dash, but the praise ends there. The Rio’s barebones interior comes with a four-speaker audio syst ...

Engine start/stop button
Illuminated ENGINE START/STOP button Whenever the front door is opened, the ENGINE START/STOP button will illuminate for your convenience. The light will go off after about 30 seconds when the ...

Price Ranges
The base Optima LX is priced at $16,355 with a 4-cylinder engine and 5-speed manual transmission and an extra $1,295 with a 5-speed automatic. An LX V6 costs $19,345 and comes only with the automa ...