2018 Honda Civic Si Vehicle Dimensions Specs
Vehicle Dimensions Specs
| Overall Height (ft) | 4.56 ft |
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| Overall Height (m) | 1.39 m |
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| Overall Length (ft) | 14.78 ft |
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| Overall Length (m) | 4.5 m |
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| Width w/o Mirrors (ft) | 5.91 ft |
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| Width w/o Mirrors (m) | 1.8 m |
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| Wheelbase (ft) | 8.86 ft |
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| Wheelbase (m) | 2.7 m |
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All Available Specs
Basics
| Year | 2018 |
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| Make | Honda |
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| Model | Civic |
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| Trim | Si |
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| Vehicle Type | Coupe |
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Seating & Access
Powertrain
| Engine Configuration | I4 |
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| Engine Size (L) | 1.5 L |
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| Engine Size (cu in) | 92 cu in |
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| Fuel Type | Premium Unleaded |
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| Engine Induction | Intercooled Turbo |
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| Transmission | 6 Spd Manual w/OD |
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| Drivetrain | FWD |
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Power & Performance
| Horsepower | 205 HP |
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| Horsepower RPM | 5,700 rpm |
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| Torque | 192 ft-lbs |
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| Torque RPM | 2,100 rpm |
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| HP/Liter | 136 HP/L |
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| HP/Cubic Inch | 2.2 HP/cu in |
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Fuel Efficiency
| City MPG | 28 mpg |
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| City L/100km | 8.0 L/100km |
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| Highway MPG | 38 mpg |
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| Highway L/100km | 6.0 L/100km |
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| Combined MPG | 33 mpg |
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| Combined L/100km | 7.0 L/100km |
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Fuel Tank & Range
| Gas Tank Size (gal) | 12.4 gal |
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| Gas Tank Size (L) | 46.9 L |
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| City Range (miles) | 347 miles |
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| City Range (km) | 558 km |
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| Highway Range (miles) | 471 miles |
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| Highway Range (km) | 758 km |
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| Combined Range (miles) | 409 miles |
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| Combined Range (km) | 658 km |
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Tires
| Front Tire Size | P235/40WR18 |
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| Front Tire Width | 235 |
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| Front Tire Aspect Ratio | 40 |
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| Front Tire Speed Rating | W |
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| Front Rim Size | 18 |
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| Rear Tire Size | P235/40WR18 |
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| Rear Tire Width | 235 |
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| Rear Tire Aspect Ratio | 40 |
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| Rear Tire Speed Rating | W |
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| Rear Rim Size | 18 |
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Wheels
| Front Wheel Size | 18 X 8 |
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| Rear Wheel Size | 18 X 8 |
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| Front Wheel Material | Aluminum |
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| Rear Wheel Material | Aluminum |
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Weight & Capacity
| Curb Weight (lbs) | 2,889 lbs |
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| Weight to HP Ratio | 14.1 lbs/HP |
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Legroom
| First Row Legroom (in) | 42.3 in. |
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| First Row Legroom (cm) | 107.4 cm |
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| Second Row Legroom (in) | 35.9 in. |
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| Second Row Legroom (cm) | 91.2 cm |
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Headroom
| First Row Headroom (in) | 36.5 in. |
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| First Row Headroom (cm) | 92.7 cm |
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| Second Row Headroom (in) | 34.5 in. |
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| Second Row Headroom (cm) | 87.6 cm |
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Turning Measurements
| Turning Diameter C2C (ft) | 37.8 ft |
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| Turning Diameter C2C (m) | 11.5 m |
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| Turning Radius C2C (ft) | 18.9 ft |
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| Turning Radius C2C (m) | 5.8 m |
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Height & Length
| Height (in) | 54.7 in. |
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| Height (cm) | 138.9 cm |
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| Height (ft) | 4.6 ft |
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| Height (m) | 1.4 m |
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| Length (in) | 177.3 in. |
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| Length (cm) | 450.3 cm |
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| Length (ft) | 14.8 ft |
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| Length (m) | 4.5 m |
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Width & Track
| Width w/o Mirrors (in) | 70.9 in. |
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| Width w/o Mirrors (cm) | 180.1 cm |
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| Width w/o Mirrors (ft) | 5.9 ft |
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| Width w/o Mirrors (m) | 1.8 m |
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Wheelbase
| Wheelbase (in) | 106.3 in. |
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| Wheelbase (cm) | 270 cm |
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| Wheelbase (ft) | 8.9 ft |
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| Wheelbase (m) | 2.7 m |
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