Research 2020 Honda Civic specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

Si Manual Coupe


Brake Type 4-Wheel Disc
Brake ABS System 4-Wheel
Disc - Front (Yes or ) Yes
Drum - Rear (Yes or )
Rear Drum Diam x Width (in)
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 12.3
Rear Brake Rotor Diam x Thickness (in) 11.1

Cargo Area Dimensions

Trunk Volume (ft³) 11.9


Tons/yr of CO2 Emissions @ 15K mi/year 6.0


Engine Order Code
Engine Type Intercooled Turbo Premium Unleaded I-4
Displacement 1.5 L/91
SAE Net Horsepower @ RPM 205 @ 5700
Fuel System Gasoline Direct Injection
SAE Net Torque @ RPM 192 @ 2100

Exterior Dimensions

Wheelbase (in) 106.3
Track Width, Rear (in) 61.2
Track Width, Front (in) 60.5
Height, Overall (in) 54.7
Width, Max w/o mirrors (in) 70.9
Length, Overall (in) 177.3

Fuel Tank

Fuel Tank Capacity, Approx (gal) 12.4

Interior Dimensions

Second Head Room (in) 34.5
Front Hip Room (in) 54.1
Front Shoulder Room (in) 56.9
Front Leg Room (in) 42.3
Front Head Room (in) 36.5
Second Shoulder Room (in) 52.6
Second Hip Room (in) 48.1
Second Leg Room (in) 35.9
Passenger Volume (ft³) 88.6
Passenger Capacity 5


EPA Fuel Economy Est - City (MPG) 26
Fuel Economy Est-Combined (MPG) 30
EPA Fuel Economy Est - Hwy (MPG) 36


Steering Type Rack-Pinion
Turning Diameter - Curb to Curb (ft) 37.8


Vehicle Name Honda Civic Si Coupe
Body Style Coupe


Suspension Type - Front Strut
Suspension Type - Rear Multi-Link
Suspension Type - Front (Cont.) Strut
Suspension Type - Rear (Cont.) Multi-Link


Rear Tire Size P235/40R18
Rear Tire Size P235/40WR18
Spare Tire Size Compact
Spare Tire Size
Rear Tire Size P235/35WR19
Front Tire Size P235/40WR18
Front Tire Size P235/40R18
Front Tire Size P235/35WR19
Spare Tire Order Code
Rear Tire Order Code
Front Tire Order Code


Trans Description Cont. Again
Trans Type 6
Trans Order Code
Drivetrain Front Wheel Drive
Final Drive Axle Ratio (:1) 4.35
Reverse Ratio (:1) 3.67
Sixth Gear Ratio (:1) 0.69
Fifth Gear Ratio (:1) 0.83
Fourth Gear Ratio (:1) 1.02
Third Gear Ratio (:1) 1.36
Second Gear Ratio (:1) 2.08
First Gear Ratio (:1) 3.64
Trans Description Cont. Manual w/OD


EPA Classification Compact Cars

Weight Information

Base Curb Weight (lbs) 2889


Rear Wheel Material Aluminum
Rear Wheel Size (in) 18 X 8
Rear Wheel Size (in) 19 X 8
Front Wheel Size (in) 18 X 8
Front Wheel Size (in) 19 X 8
Spare Wheel Material Steel
Spare Wheel Material
Spare Wheel Size (in)
Spare Wheel Size (in) Compact
Front Wheel Material Aluminum