New Price! CARFAX One-Owner. Clean CARFAX. BLUE 2006 Honda Civic Si FWD 6-Speed Manual with Overdrive 2.0L I4 DOHC 16V i-VTEC Gray w/Cloth Seat Trim. Odometer is 66556 miles below market average! 32/23 Highway/City MPG* Awards: * 2006 Top 10 Coolest New Cars Under $18,000 For more information, . Kelley Blue Book is a registered trademark of Kelley Blue Book Co., Inc.