What is the tire size for a 2018 Honda Civic Si 4dr?

Depends on trim: base: P215/55HR16, EX: 215/50R17, EX-L: 215/50R17, EX-T Sedan and: 215/50R17, LX: 215/50R17, LX Sedan and: 215/55R16, LX-P: 215/55R16, Si Sedan and: 235/40R18, Sport: 235/40R18, Sport Touring: 235/40R18, Touring Sedan and: 215/50R17, Type R: 245/30R20

How much horsepower does a 2018 Honda Civic Si 4dr have?

158 to 158 hp depending on trim

2018 Honda Civic Si 4dr Specifications

Compare all 12 trims side by side

Specification	base	EX	EX-L	EX-T Sedan and	LX	LX Sedan and	LX-P	Si Sedan and	Sport	Sport Touring	Touring Sedan and	Type R
Engine
Horsepower	158 hp	158 hp	158 hp	158 hp	158 hp	158 hp	158 hp	158 hp	158 hp	158 hp	158 hp	158 hp
Torque	138 lb-ft	138 lb-ft	138 lb-ft	138 lb-ft	138 lb-ft	138 lb-ft	138 lb-ft	138 lb-ft	138 lb-ft	138 lb-ft	138 lb-ft	138 lb-ft
Displacement	1.5L	1.5L	1.5L	1.5L	1.5L	1.5L	1.5L	1.5L	1.5L	1.5L	1.5L	1.5L
Cylinders	4	4	4	4	4	4	4	4	4	4	4	4
Engine Type	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4	Regular Unleaded I-4
Transmission	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd	Manual w/OD 6-spd
Drivetrain	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive	Front-Wheel Drive
Fuel Type	Premium	Premium	Premium	Premium	Premium	Premium	Premium	Premium	Premium	Premium	Premium	Premium
Performance
Fuel Tank	46.9L	46.9L	46.9L	46.9L	46.9L	46.9L	46.9L	46.9L	46.9L	46.9L	46.9L	46.9L
Curb Weight	2742 lbs	2742 lbs	2742 lbs	2742 lbs	2742 lbs	2742 lbs	2742 lbs	2742 lbs	2742 lbs	2742 lbs	2742 lbs	2742 lbs
City (L/100km)	8.4	8.4	8.4	8.4	8.4	8.4	8.4	8.4	8.4	8.4	8.4	8.4
Highway (L/100km)	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2
Dimensions
Length	4630 mm	4630 mm	4630 mm	4630 mm	4630 mm	4630 mm	4630 mm	4630 mm	4630 mm	4630 mm	4630 mm	4630 mm
Width	1798 mm	1798 mm	1798 mm	1798 mm	1798 mm	1798 mm	1798 mm	1798 mm	1798 mm	1798 mm	1798 mm	1798 mm
Height	1415 mm	1415 mm	1415 mm	1415 mm	1415 mm	1415 mm	1415 mm	1415 mm	1415 mm	1415 mm	1415 mm	1415 mm
Wheelbase	2700 mm	2700 mm	2700 mm	2700 mm	2700 mm	2700 mm	2700 mm	2700 mm	2700 mm	2700 mm	2700 mm	2700 mm
Cargo	427.6L	427.6L	427.6L	427.6L	427.6L	427.6L	427.6L	427.6L	427.6L	427.6L	427.6L	427.6L
Seats	5	5	5	5	5	5	5	5	5	5	5	5
Body	Midsize Cars	Midsize Cars	Midsize Cars	Midsize Cars	Midsize Cars	Midsize Cars	Midsize Cars	Midsize Cars	Midsize Cars	Midsize Cars	Midsize Cars	Midsize Cars
Tires & Wheels
Front Tires	P215/55HR16	215/50R17	215/50R17	215/50R17	215/50R17	215/55R16	215/55R16	235/40R18	235/40R18	235/40R18	215/50R17	245/30R20
Rear Tires	P215/55HR16	215/50R17	215/50R17	215/50R17	215/50R17	215/55R16	215/55R16	235/40R18	235/40R18	235/40R18	215/50R17	245/30R20
Wheel Size	16"	17"	17"	17"	17"	16"	16"	18"	18"	18"	17"	20"
Brakes & Suspension
Front Suspension	Strut	Strut	Strut	Strut	Strut	Strut	Strut	Strut	Strut	Strut	Strut	Strut
Rear Suspension	Multi-Link	Multi-Link	Multi-Link	Multi-Link	Multi-Link	Multi-Link	Multi-Link	Multi-Link	Multi-Link	Multi-Link	Multi-Link	Multi-Link
Fluids & Maintenance
Oil Type	0W-20	0W-20	0W-20	0W-20	0W-20	0W-20	0W-20	0W-20	0W-20	0W-20	0W-20	0W-20
Oil Capacity	3.8L	3.8L	3.8L	3.8L	3.8L	3.8L	3.8L	3.8L	3.8L	3.8L	3.8L	3.8L
Electric / Hybrid

2018 Civic Si 4dr Maintenance Guide All Civic Si 4dr Years Civic Si 4dr for Sale