2015 Civic Si Coupe Specifications
Si Coupe
Starting MSRP
Engine Type In-Line 4-Cylinder
Engine Block/Cylinder Head Aluminum-Alloy
Displacement (cc) 2354
Horsepower @ rpm (SAE net) 205 @ 7000
Torque (lb-ft @ rpm, SAE net) 174 @ 4400
Redline (rpm) 7000
Bore and Stroke (mm) 87 x 99
Compression Ratio 11.0 : 1
Valve Train 16-Valve DOHC i-VTEC®
Stainless Steel Exhaust Manifold
Multi-Point Fuel Injection
Drive-by-Wire Throttle System
CARB Emissions Rating[1]  ULEV-2
Direct Ignition System with Immobilizer
100K +/- Miles No Scheduled Tune-Ups[2] 
Close-Ratio 6-Speed Manual Transmission
Gear Ratios: 1st: 3.267, 2nd: 2.040, 3rd: 1.429, 4th: 1.073, 5th: 0.830, 6th: 0.647, Reverse: 3.583, Final Drive: 4.76  
Helical Limited-Slip Differential
Unit-Body Construction
MacPherson Strut Front Suspension
Multi-Link Rear Suspension
Stabilizer Bar (mm, front/rear) 21.0 / 20.0
Motion-Adaptive Electric Power-Assisted Rack-and-Pinion Steering (EPS)
Steering Wheel Turns, Lock-to-Lock 2.78
Steering Ratio 15.06
Turning Diameter, Curb-to-Curb (ft) 37.1
Power-Assisted Ventilated Front Disc/Solid Rear Disc Brakes (in, front/rear) 11.8 / 10.2
Wheels 18" Alloys
Continental® ContiProContact® 225/40R18 92H
Continental® ContiSportContact® 5 (available) 225/40R18 92Y
Compact Spare Tire T135 / 80 R16 101M
Exterior Measurements  
Wheelbase (in) 103.2
Length (in) 178.8
Height (in) 55.0
Width (in) 69.0
Track (in, front/rear) 59.2 / 59.9
Curb Weight (lbs) 3002
Weight Distribution (%, front/rear) 61 / 39
Interior Measurements  
Headroom (in, front/rear) 37.7 / 34.3
Legroom (in, front/rear) 42.2 / 30.8
Shoulder Room (in, front/rear) 55.1 / 52.2
Hiproom (in, front/rear) 53.2 / 49.0
Cargo Volume (cu ft) 11.7
Passenger Volume (cu ft) 82.6
Seating Capacity 5
EPA Mileage Ratings[3] / Fuel  
6-Speed Manual (City/Highway/Combined)  
Fuel (gal) 13.2
Recommended Fuel Premium Unleaded
Active Safety  
Vehicle Stability Assist (VSA®) with Traction Control[4] 
Anti-Lock Braking System (ABS)
Electronic Brake Distribution (EBD)
Brake Assist
Rearview Camera with Dynamic Guidelines[5] 
Multi-Angle Rearview Camera with Dynamic Guidelines[5]  available
Tire Pressure Monitoring System (TPMS)[6] 
Daytime Running Lights (DRL)
Passive Safety  
Advanced Compatibility Engineering™ (ACE™) Body Structure
Dual-Stage, Multiple-Threshold Front Airbags (SRS)
SmartVent® Front Side Airbags
Side Curtain Airbags with Rollover Sensor
3-Point Seat Belts at all Seating Positions
Front 3-Point Seat Belts with Automatic Tensioning System
Lower Anchors and Tethers for CHildren (LATCH): Lower Anchors (2nd-Row Outboard), Tether Anchors (2nd-Row All)
Driver's and Front Passenger's Seat-Belt Reminder
Exterior Features  
One-Touch Power Moonroof with Tilt Feature
Integrated Rear-Window Antenna
Security System with Remote Entry and Trunk Release
Smart Entry
Multi-Reflector Halogen Headlights with Auto-On/Off
Fog Lights
One-Touch Turn Indicators
Body-Colored Power Side Mirrors including Expanded View Driver's Mirror
Body-Colored Wing Spoiler
Variable Intermittent Windshield Wipers
Body-Colored Door Handles
Chrome Exhaust Finisher
Comfort & Convenience  
Air Conditioning with Air-Filtration System
i-MID with 5-Inch LCD Screen and Customizable Feature Settings
Honda LaneWatch[7] 
Bluetooth® HandsFreeLink®[8] 
SMS Text Message Function[9] 
Push Button Start
Power Windows with Auto-Up/Down Driver's Window
Power Door Locks with Auto-Lock Feature
Illuminated Driver's Window and Door Lock Controls
Cruise Control
Leather-Wrapped Steering Wheel
Aluminum Shift Knob with Leather
Textured Aluminum Pedals
Illuminated Steering Wheel-Mounted Controls Cruise / Audio / Phone / i-MID / Navi (available)
Tilt and Telescopic Steering Column
Beverage Holders Front and Rear
Center Console with Sliding Armrest and Storage Compartment
Door-Pocket Storage Bins Front
Passenger-Side Seatback Pocket
Coin Tray
Remote Fuel Filler Door Release
Remote Trunk Release with Lock
Headlights-On Reminder
Driver's and Front Passenger's Vanity Mirrors
Map Lights
Rear-Seat Armrest
Rear-Seat Heater Ducts
Floor Mats
Driver's Footrest
12-Volt Power Outlet (front)
Rear Window Defroster with Timer
Cargo Area Light
Driver's Seat with Manual Height Adjustment
Adjustable Head Restraints
Fold-Down Rear Seatback 60/40 Split
Audio System  
360-Watt AM/FM/CD Premium Audio System with 7 Speakers, including Subwoofer
7" Display Audio with High-Resolution WVGA (800x480) Electrostatic Touch-Screen and Customizable Feature Settings
7" Display Audio with Honda Satellite-Linked Navigation System and Voice Recognition, Honda HD Digital Traffic, High-Resolution WVGA (800x480) Electrostatic Touch-Screen and Customizable Feature Settings[10]  available
HondaLink® Next Generation[11] 
HD Radio[12]  with Navigation
SiriusXM® Radio[13]  with Navigation
Pandora® Compatibility[14] 
Bluetooth® Streaming Audio8[8] 
Display Audio Interface[15] 
USB Audio Interface[16]  Front and Center Console
MP3/Windows Media® Audio (WMA) Playback Capability[17] 
Radio Data System (RDS)
Speed-Sensitive Volume Control (SVC)
intelligent Multi - Information Display  
Average Fuel Economy Indicator
Average Speed Indicator
Bluetooth® HandsFreeLink®
Customizable Feature Settings
Elapsed Time Indicator
Exterior Temperature Indicator
Fuel-Mileage Indicators
Maintenance Minder System
Miles-to-Empty Indicator
Odometer and Trip Meters (2)
Pandora® Compatibility
Power Monitor Screen
Turn-By-Turn Directions with Navigation
Welcome Screen
12-Volt Battery Charging System Indicator
ABS Indicator
Airbag System Indicator
Brake System Indicator
Coolant Temperature Indicators
Cruise Control Indicators
Digital Speedometer
Door and Trunk-Open Indicators
Electric Power Steering (EPS) Indicator
Fog Lights Indicator
Fuel Level Indicator
Headlights-On Indicator
High-Beam Indicator
Immobilizer System Indicator
Low Tire-Pressure Indicator
Low-Fuel Indicator
Low-Oil Pressure Indicator
Malfunction Indicator
Red Backlit Gauges
Seat Belt Reminder Indicator
Tachometer with Sequential Rev-Limit Indicator
Turn Signal/Hazard Indicators
Two-Tier Instrument Panel
VSA System and VSA-Off Indicators
* MSRP excluding tax, license, registration, $835.00 destination charge and options. Dealer prices may vary.
[1]  ULEV-2 (Ultra-Low-Emission Vehicle) models as certified by the California Air Resources Board (CARB).
[2]  Does not apply to fluid and filter changes. Will vary with driving conditions. Please see your Honda dealer for details.
[3]  Based on 2015 EPA mileage ratings. Use for comparison purposes only. Your mileage will vary depending on how you drive and maintain your vehicle.
[4]  VSA is not a substitute for safe driving. It cannot correct the vehicle’s course in every situation or compensate for reckless driving. Control of the vehicle always remains with the driver.
[5]  Always visually confirm that it is safe to drive before backing up; the rearview camera display does not provide complete information about all conditions and objects at the rear of your vehicle.
[6]  For optimal tire wear and performance, tire pressure should be checked regularly with a gauge. Do not rely solely on the monitor system. Please see your Honda dealer for details.
[7]  Display accuracy will vary based on weather, size of object and speed, and the display may not show all relevant traffic. The display is not a substitute for your own direct visual assessment of traffic conditions before changing lanes.
[8]  The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc., and any use of such marks by Honda Motor Co., Ltd., is under license.
[9]  Compatible with select phones with Bluetooth®. Your wireless carrier's rate plans apply. State or local laws may limit use of texting feature. Only use texting feature when conditions allow you to do so safely.
[10]  The Honda Satellite-Linked Navigation System™ is available in the United States, Canada and Puerto Rico. (Honda HD Digital Traffic service only available in the United States, except Alaska). Please see your Honda dealer for details.
[11]  Check the HondaLink® website for smartphone compatibility and access to the Display Audio Interface.
[12]  HD Radio is a proprietary trademark of iBiquity Digital Corporation.
[13]  SiriusXM services require a subscription after any trial period. If you decide to continue your SiriusXM service at the end of your trial subscription, the plan you choose will automatically renew and bill at then-current rates until you call SiriusXM at 1-866-635-2349 to cancel. See our Customer Agreement for complete terms at www.siriusxm.com. Fees and programming subject to change. XM satellite service is available only to those at least 18 years and older in the 48 contiguous United States and D.C. ©2014 Sirius XM Radio Inc. Sirius, XM and all related marks and logos are trademarks of Sirius XM Radio Inc.
[14]  Pandora, the Pandora logo, and the Pandora trade dress are trademarks or registered trademarks of Pandora Media, Inc. Used with permission. Compatible with select smartphones. See: www.pandora.com/everywhere/mobile. Not all devices compatible with USB connection. Your wireless carrier's rate plans apply.
[15]  The Display Audio Interface is used for direct connection to and streaming from some current smartphones. Some smartphones may not work. Please see your Honda dealer for details.
[16]  The USB Audio Interface is used for direct connection to and control of some current digital audio players and other USB devices that contain MP3, WMA or AAC music files. Some USB devices with security software and digital rights-protected files may not work. Please see your Honda dealer for details.
[17]  Windows Media® is a trademark or registered trademark of Microsoft Corporation in the United States and/or other countries.