It is never a bad thing to have your fuel system flushed, but generally most manufacturers recommend having it done every 30,000 miles.
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The 2007 Kia Optima has 16 valves.
The 2007 Kia Optima has a 5-speed manual.
The 2007 Kia Optima has an inline 4 engine.
The 2007 Kia Optima is a gas-powered vehicle.
The 2007 Kia Optima is 15 ft. 6.4 in. (186.4 in.) long.
The curb weight of the 2007 Kia Optima is 3142 lbs..
The 2007 Kia Optima has double overhead cam (DOHC).
The 2007 Kia Optima's turning circle is 35.5 ft..
The 2007 Kia Optima runs on regular unleaded.
The height of the 2007 Kia Optima is 4 ft. 10.3 in. (58.3 in.).
The fuel tank size on a 2007 Kia Optima is 17.2 gallons. The price for a used 2007 Kia Optima starts at $5,993 from a dealership.