The big news for the 2007 Civic lineup is the addition of the Civic Si Sedan. Nearly identical mechanically to the Civic Si Coupe, the Civic Si Sedan features a high-performance 197-horsepower i-VTEC 4-cylinder engine, 6-speed manual transmission, limited slip differential and a sport suspension. Also of note, a dedicated natural gas-powered version of the Civic debuted in 2006 mid-year.

Civic (all models)

• Civic Si Sedan added to lineup
• New darker alloy wheel color for Civic Si Coupe
• XM® Satellite Radio standard equipment on navigation-equipped Civic EX Sedan and Civic Hybrid
• MP3/Auxillary Input Jack added to Civic LX Sedan

Civic Si Sedan

• 2.0-liter i-VTEC™ 4-cylinder engine (197-horsepower @ 7800 rpm and 139 lb-ft. torque @ 6100 rpm)
• 6-speed manual transmission with helical-type limited slip differential
• Standard Vehicle Stability Assist (VSA) with Traction Control (also added to Civic Si Coupe)
• Exclusive exterior includes low-profile rear spoiler wing, aero cladding and Si emblems
• Sporty interior with deeply bolstered seats, red fabric stitching and unique trim panels
• Standard 17-inch alloy wheels with 215/45 R17 tires (summer tire available)

Civic GX

• Natural gas-powered version of the Civic based on the LX trim level
• Introduced mid-year 2006 (as a 2006 model), will carry over as 2007 model
• Available to retail customers from qualifying Honda dealers in California and New York, available to fleet customers nationwide
• Can be used with "Phill" natural gas home refueling appliance from FuelMaker Corp. (available through qualified Honda dealers in California.)
• 1.8-liter dedicated natural gas 4-cylinder engine (113 horsepower and 109 ft-lbs. of torque)
• 5-speed automatic transmission
• City/highway EPA-rated fuel economy of 28/39 miles per gasoline-gallon equivalent
• Meets federal Tier 2-Bin 2 and ILEV zero evaporative emission certification standards
• Owner may qualify for $4,000 federal tax credit (see IRS.gov)
• New exterior colors: Green Tea Metallic and Borrego Beige Metallic