See also:

POWER AND FUEL-ECONOMY ARE UP TO PAR
That description might have you thinking the Optima has all sorts of power. True, the upgraded 2.4-liter four-cylinder gets added power for ’09 with 175hp and 169 ft-lbs of torque, but it’s no ...

Maintenance schedule
Chart symbols: I- Inspect these items and their related parts. If necessary, correct, clean, refill, adjust or replace. R- Replace or change L- Lubricate. (1) Refer to the lubricant and co ...

Performance
In terms of horsepower, the average sedan packs quite a wallop and will knock the Rio down a few rungs. However, bear in mind that high horsepower engines often command higher insurance premiums. ...