| SAFETY | MUGEN Si Sedan | Si Sedan |
| 3-Point Seat Belts at all Seating Positions | X | X |
| Front 3-Point Seat Belts with Automatic Tensioning System | X | X |
| Driver's and Front Passenger's Seat Belt Reminder | X | X |
| Adjustable Front Seat Belt Anchors | X | X |
| Dual-Stage, Dual-Threshold Front Airbags (SRS) | X | X |
| Front Side Airbags with Passenger-Side Occupant Position Detection System (OPDS) | X | X |
| Side Curtain Airbags | X | X |
| Active Front Head Restraints | X | X |
| Vehicle Stability Assist™ (VSA®) with Traction Control | X | X |
| Anti-Lock Braking System (ABS) | X | X |
| Electronic Brake Distribution (EBD) | X | X |
| Tire Pressure Monitoring System (TPMS) | X | X |
| Daytime Running Lights (DRL) | X | X |
| Side-Impact Door Beams | X | X |
| Lower Anchors and Tethers for Children (LATCH) | X | X |
| Child-Proof Rear Door Locks | X | X |
| Immobilizer Theft-Deterrent System | X | X |
| Emergency Trunk Opener | X | X |
| EXTERIOR FEATURES | MUGEN Si Sedan | Si Sedan |
| One-Touch Power Moonroof | X | X |
| Integrated Rear-Window Antenna | X | X |
| Remote Entry System with Trunk Release | X | X |
| Body-Colored Power Side Mirrors | X | X |
| Variable Intermittent Windshield Wipers | X | X |
| Body-Colored Low-Profile Rear Wing Spoiler | X | |
| MUGEN Body-Colored Adjustable Rear Wing Spoiler | X | |
| MUGEN Sports Grille | X | |
| MUGEN Side Skirts | X | |
| MUGEN Rear Bumper Diffuser | X | |
| Impact-Absorbing Body-Colored Bumpers | X | X |
| Multi-Reflector Halogen Headlights | X | X |
| Chrome Exhaust Finisher | X | X |
| Tinted Glass | X | X |
| Body-Colored Door Handles | X | X |
| COMFORT & CONVENIENCE | MUGEN Si Sedan | Si Sedan |
| Air Conditioning with Air-Filtration System | X | X |
| Honda Satellite-Linked Navigation SystemTM with Voice Recognition | Available | |
| Power Windows with Auto-Up/Down Driver's Window | X | X |
| Power Door Locks with Auto-Lock Feature | X | X |
| Cruise Control | X | X |
| Steering Wheel-Mounted Controls | Cruise/Audio | Cruise/Audio and Navi(available) |
| Tilt and Telescopic Steering Column | X | X |
| Leather-Wrapped Steering Wheel | X | X |
| Leather-Wrapped Shift Knob | X | |
| MUGEN 50mm Spherical Aluminum Shift Knob | X | |
| Beverage Holders, Front and Rear | X | X |
| Center Console with Sliding Armrest and Storage Compartment | X | X |
| Front Door-Pocket Storage Bins | X | X |
| Passenger-Side Seatback Pocket | X | X |
| Coin Tray | X | X |
| Satin-Finish Door-Handle Pulls | X | X |
| Remote Fuel Filler Door Release | X | X |
| Remote Trunk Release with Lock | X | X |
| Headlights-On Reminder | X | X |
| Driver's and Front Passenger's Vanity Mirrors | X | X |
| Map Lights | X | X |
| Rear-Seat Armrest | X | X |
| Rear-Seat Heater Ducts | X | X |
| Floor Mats | X | X |
| Driver's Footrest | X | X |
| 12-Volt Power Outlet(s) (Front and Center Console) | X | X |
| Rear Window Defroster with Timer | X | X |
| Cargo Area Light | X | X |
| SEATING | MUGEN Si Sedan | Si Sedan |
| Driver's Seat with Manual Height Adjustment | X | X |
| Reclining Front Seatbacks | X | X |
| Adjustable Head Restraints | X | X |
| 60/40 Split Fold-Down Rear Seatback | X | X |
| AUDIO SYSTEMS | MUGEN Si Sedan | Si Sedan |
| 350-Watt AM/FM/CD Premium Audio System with 7 Speakers including Subwoofer | X | X |
| MP3/Windows Media® Audio (WMA) Playback Capability | X | X |
| MP3/Auxiliary Input Jack | X | X |
| Speed-Sensitive Volume Control (SVC) | X | X |
| INSTRUMENTATION | MUGEN Si Sedan | Si Sedan |
| Two-Tier Instrument Panel | w/ MUGEN Limited Edition Placard | X |
| Red Backlit Gauges | X | X |
| Tachometer with Rev-Limit Indicator | X | X |
| Digital Odometer and Digital Trip Meters (2) | X | X |
| Maintenance MinderTM System | X | X |
| Exterior Temperature Indicator | X | X |
| Fuel and Coolant Temperature Indicators | X | X |
| Door/Trunk-Open Indicators | X | X |
| Low-Fuel and Low-Oil Pressure Indicators | X | X |
| Front Side Airbag-Off Indicator | X | X |
| Front Passenger Airbag-Off Indicator | X | X |