2018 Civic Si Specifications


  Coupe Sedan
1.5-litre, 16-valve, Direct Injection, DOHC, turbocharged 4-cylinder
Horsepower @ rpm1
205 @ 5700 rpm 205 @ 5700 rpm
Torque (lb.-ft. @ rpm)1
192 @ 2100-5000 192 @ 2100-5000
Displacement (cc)
1498 1498
Emissions rating
Tier 3 Bin 125 Tier 3 Bin 125
Bore and stroke (mm)
73 x 89.5 73 x 89.5
Compression ratio
10.3:1 10.3:1
Drive-by-Wire Throttle System™
Recommended fuel
Premium Premium


  Coupe Sedan
6-speed manual transmission (MT) 
Front-wheel drive
Helical Limited Slip Differential
Sport mode button


  Coupe Sedan
18" aluminum-alloy wheels
Adaptive Damper System 
Agile Handling Assist2 (AHA)
All-season tires
P235/40 R18 91W P235/40 R18 91W
Capless fueling system
Variable Ratio Electric Power-Assisted Rack-and-Pinion Steering (EPS)
Electronic Parking Brake (EPB) with automatic brake hold
Front and rear stabilizer bars (mm)
27/18 27.0/18.0
Independent strut front suspension
Independent multi-link rear suspension
Power-assisted, ventilated front disc/solid rear disc brakes
Straight Driving Assist
Temporary spare tire
T125/70R17 98M T125/70R17 98M


  Coupe Sedan
4-wheel Anti-lock Braking System2 (ABS) 
Brake Assist
Electronic Brake-force Distribution (EBD) 
Hill Start Assist2
LED daytime running lights
Vehicle Stability Assist2 (VSA®) with Traction Control


  Coupe Sedan
3-point seat belts with front automatic tensioning system
Next-Generation Advanced Compatibility Engineering™ (ACE™) body structure
i-SRS airbag system (front)
Side curtain airbags with rollover sensor system
Smartvent™ side airbags
Front height-adjustable seat belt anchors
HondaLinkTM Assist Automatic Emergency Response System2,3,4
Lower Anchors and Tethers for Children (LATCH)


  Coupe Sedan
Honda LaneWatch™ blind spot display2


  Coupe Sedan
Body-coloured bumpers
Body-coloured door handles
Centre exhaust finisher
Fog lights
Folding door mirrors
Front splash guards
Heated power door mirrors
Body-coloured Body-coloured
LED front turn signal indicators
LED headlights (High and low beam)
With auto-on/off With auto-on/off
LED taillights
One-touch power moonroof with tilt feature
Rear window defroster
Rear wing spoiler
Shark fin antenna
Speed-sensing, variable intermittent windshield wipers
Taillight-integrated rear spoiler


  Coupe Sedan
12-volt power outlet
1 1
Aluminum-trimmed sport pedals
7" colour TFT centre meter display with Driver Information Interface
Acoustic windshield
Automatic climate control with air-filtration system
Dual-zone Dual-zone
Cargo area light
Display Audio System2 with Honda Satellite-Linked Navigation System™2,5 with bilingual Voice Recognition
Door pockets
Driver’s and front passenger’s vanity mirrors
Exterior temperature indicator
Front and rear door pockets
HandsFreeLink™-bilingual Bluetooth® wireless mobile phone interface2,3
Immobilizer theft-deterrent system
Maintenance Minder™ system
Map lights
Multi-angle rearview camera2 with dynamic guidelines
Multi-functional centre console storage
One-touch turn signals
Passenger-side seatback pocket
Power windows with auto-up/down driver’s and passenger's window
Power door locks
Proximity key entry system with pushbutton start
Rear armrest with cupholders
Rear-seat heater ducts
Security system
Steering wheel-mounted cruise control
Tilt and telescopic steering column
Walk-away door lock
Wireless charging


  Coupe Sedan
60/40 split fold-down rear seatback
Driver’s seat with 6-way manual adjustment
Front passenger’s seat with 4-way manual adjustment
Floor mats
Heated front seats
Leather-wrapped steering wheel


  Coupe Sedan
452-watt AM/FM Premium audio system with MP3/Windows Media® Audio playback capability and 10 speakers including subwoofer
Apple CarPlay™2,3 / Android Auto™2,3
Bluetooth® Streaming Audio2,3
Display Audio System2 with HondaLinkTM2,3 
Including Navigation2,5 Including Navigation2,5
HD Radio™6
Illuminated steering wheel-mounted audio controls
Siri Eyes Free compatibility2,3
SMS text message2,3 / E-mail function2,3
Speed-sensitive Volume Control (SVC)
USB device connector3
2 2
Wi-Fi tethering3


  Coupe Sedan
Manual transmission (City/Hwy/Combined)
8.4 / 6.2 / 7.4 8.4 / 6.2 / 7.4


  Coupe Sedan
Cargo volume (L)
289 379
Curb weight – MT (kg)
1330 1341
Fuel tank capacity (L)
46.9 46.9
Ground clearance – no-load/full-load (mm)
120/103 120/103
Headroom – front/rear (mm)
928/876 953/935
Height (mm)
1390 1411
Hip room – front/rear (mm)
1374/1223 1364/1201
Legroom – front/rear (mm)
1074/912 1074/950
Length (mm)
4505 4645
Passenger volume (L)
2509 2690
Shoulder room – front/rear (mm)
1446/1336 1446/1397
Track – front/rear (mm)
1537/1555 1537/1555
Turning radius (m) (curb-to-curb)
5.8 5.8
Wheelbase (mm)
2700 2700
Width – including mirrors/mirrors folded (mm) 
2087 / 1878 2087/1878

Legal disclaimers:

1 Horsepower and torque calculations reflect SAE net,  Rev. 08/04, SAE J1349 procedures.
2 None of the features we describe are intended to replace the driver's responsibility to exercise due care while driving. Drivers should not use handheld devices or operate certain vehicle features unless it is safe and legal to do so. Some features have technological limitations. For additional feature information, limitations and restrictions, please visit www.honda.ca/disclaimers and refer to the vehicle's Owner's Manual. 
3 Only compatible with certain devices and operating systems. Cellular data and/or voice charges may apply, including roaming charges and/or other amounts charged by your wireless carrier. 
4 Operation requires wireless mobile phone to be paired with the vehicle. Operation is dependent upon cellular data and/or voice connection availability and GPS satellite signal reception.
5 Map database covers major metropolitan areas in Canada and the 48 contiguous U.S. states. 
6 Coverage varies by market.
7 Only available in certain areas. Includes a no-charge trial of three months.
8 Estimated fuel economy based on Government of Canada’s 5-cycle testing method. Your actual fuel consumption will vary based on driving habits and other factors – use for comparison only. For more information on 5-cycle testing, visit http://vehicles.nrcan.gc.ca