The 2010 Honda Civic is a compact car available as a sedan or coupe. 2010 Honda Civic Si Description: Used 2010 Honda Civic Si for sale - $11,900 - 67,201 miles with Sunroof/Moonroof, Alloy Wheels Certified Pre-Owned: No For both, there are five main trim levels: DX, LX, EX, EX-L and Si. Used car pricing for the 2010 Honda Civic Si Sedan 4D. Get MSRP, fair purchase price, resale value, and available inventory for the 2010 Honda Civic Si Sedan 4D.