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2026 Honda Civic Si Sedan
2025 Kia K4
Compare 2026 Civic Si Sedan vs 2025 K4
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Safety
Driver Air Bag
Passenger Air Bag
Front Side Air Bag
Rear Side Air Bag
Front Head Air Bag
Rear Head Air Bag
Knee Air Bag
Seatbelt Air Bag
Brake
4 Wheel Disc
4 Wheel Disc
Brake ABS System
Traction Control
Stability Control
Rollover Protection Bars
Child Safety Locks
Emergency Trunk Release
Driver Restriction Features
Driver Assistance
Back-Up Camera
360 Camera
Brake Assist
Blind Spot Monitor
Lane Departure Warning
Lane Keeping Assist
Cross-Traffic Alert
Rear Parking Aid
Automatic Parking
Tire Pressure Monitor
Cruise Control
Adaptive Cruise Control
Heads-Up Display
Lighting
Daytime Running Lights
Automatic Headlights
HID headlights
Headlights-Auto-Leveling
Night Vision
Integrated Turn Signal Mirrors
Auto-Dimming Rearview Mirror
Infotainment
AM/FM Stereo
HD Radio
Satellite Radio
CD Player
MP3 Player
Auxiliary Audio Input
Hard Disk Drive Media Storage
Rear Seat Audio Controls
Steering Wheel-Audio Controls
Connectivity
Smart Device Integration
Apple CarPlay
Android Auto
WiFi Hotspot
Bluetooth Connection
Power Outlet
Wireless Charging
Comfort
Air Conditioning
Climate Control
Multi-Zone Air Conditioning
Rear Air Conditioning
Heated Front Seat(s)
Heated Rear Seat(s)
Cooled Front Seat(s)
Cooled Rear Seat(s)
Driver Adjustable Lumbar
Passenger Adjustable Lumbar
Seat-Massage
Heated Steering Wheel
Convenience
Power Windows
Power Door Locks
Keyless Entry
Keyless Start
Power Driver Seat
Power Passenger Seat
Seat Memory
Power Mirror(s)
Heated Mirrors
Mirror Memory
Power Folding Mirrors
Power Liftgate
Hands-Free Liftgate
Remote Trunk Release
Remote Engine Start
Variable Speed Intermittent Wipers
Rain Sensing Wipers
Universal Garage Door Opener
Interior
Passenger Capacity
5
5
Front Head Room
955 mm
947 - 991 mm
Front Leg Room
1,074 mm
1,074 mm
Front Shoulder Room
1,448 mm
1,435 mm
Rear Head Room
942 mm
940 - 942 mm
Rear Leg Room
950 mm
965 mm
Rear Shoulder Room
1,422 mm
1,389 mm
Trunk Volume
408 L
413 L
Front Reading Lamps
Rear Reading Lamps
Exterior
Wheelbase
2,736 mm
2,720 mm
Length, Overall
4,694 mm
4,709 mm
Width, Max w/o mirrors
1,801 mm
1,849 mm
Height, Overall
1,410 mm
1,420 mm
Min Ground Clearance
N/A
N/A
Base Curb Weight
1,360 kg
1,340 - 1,490 kg
Front Tire Size
P235/40WR18
P225/45HR17
P235/40HR18
P205/55HR16
Rear Tire Size
P235/40WR18
P225/45HR17
P235/40HR18
P205/55HR16
Sun/Moon Roof
Luggage Rack
Security
Security System
Engine Immobilizer
Wheels-Locks