2018 Honda Civic Si Sedan Performance

The 2018 Honda Civic Si Sedan is a high-performance vehicle that is dynamic and versatile on the road. Under the hood is a responsive engine that produces an exciting experience behind the wheel. Take that and add fuel efficiency, high-performance suspension, performance-enhancing safety features, and available accessories, and you’ve got one of the most impressive vehicles on the road: the 2018 Honda Civic Si Sedan.

  • Turbocharged engine under the hood paired with a 6-speed manual transmission
  • Achieves impressive fuel economy
  • Sophisticated, high-performance suspension for better handling

Turbocharged Engine

The reviewers at Car and Driver call the Civic Si “a blissful balance of fun and function.” Tuned for performance, the engine inside the 2018 Honda Civic Si Sedan is at the heart of its potential. Energetic, sporty, and sophisticated, the Civic Si is powered by a 1.5L turbo-charged inline-four engine that gives a nod to Honda’s rich racing history. With vigor and dynamism, the engine is rated for up to 205 horsepower and 192 lb-ft of torque.

2018 Honda Civic Si Sedan Engine
2018 Honda Civic Si Sedan Transmission


The turbocharged engine works in tandem with a smooth shifting 6-Speed manual transmission. It’s engaging to drive and inspires a connection between the driver and the road—whether you’re dashing around the corner or riding on a deserted stretch of highway. With a Helical Limited Slip Differential, power is delivered through the wheels and to the ground in a more stable manner for increased traction.

Fuel Efficiency

Not only does the Civic Si Sedan deliver outstanding performance, but it also achieves incredible fuel economy. Drivers will be able to drive for longer distances on the road with fewer visits to the pump, and that’s great for your wallet and for the environment. The 2018 Civic Si Sedan achieves an EPA estimated fuel economy of 28 city / 38 highway / 32 combined mpg*. 

Suspension and Chassis

The suspension, chassis, and engineering of the Civic Si Sedan makes for a smooth, sophisticated, yet sporty ride that takes thrills in stride. Delivering controlled suspension movement, while offering stable and sport-tuned performance– these features contribute to making the Civic Si Sedan so engaging and fun to drive.

  • Active Damper System
  • MacPherson Strut Front Suspension
  • Multi-Link Rear Suspension
  • Dual-Pinion, Variable-Ratio Electric Power Steering
  • Stabilizer Bar
2018 Honda Civic Si Sedan 3-4 Angle View
2018 Honda Civic Si Sedan Wheel

Wheel and Tires

Equipped with tires ready for various weather conditions and glossy wheels that will cause heads to turn and take notice of the Civic Si Sedan’s aggressive and sporty stance on the road.

  • 18-inch Machine-Finish Alloy Wheels with Gloss Black Insert
  • All-Season Tires

Active Safety Features that Boost Performance

Performance in the Civic Si Sedan gets a boost with active safety features that ensure an optimal and reliable amount of control on the road through different types of weather and road conditions. These features help the Civic Si Sedan stay planted to the road, while also ensuring it comes to a complete stop more quickly and safely in an emergency braking situation.

  • Vehicle Stability Assist with Traction Control – helps stabilize the Civic Si Sedan during cornering and corrects understeering or oversteering. It also adds traction when accelerating, even on loose or slippery road surfaces.
  • Anti-Lock Braking System – Prevents the wheels from locking up during braking and maintains good, tractive control with the road to avoid skidding.
  • Electronic Brake Distribution – Automatically adjusts the brake pressure on the individual wheels based on road conditions, speed, and other driver inputs.
  • Brake Assist – Helps the Civic Si Sedan come to a complete stop more quickly in an emergency
  • Tire Pressure Monitoring System – Monitors the pressure in each of the four tires and notifies drivers when the pressure needs to be adjusted for an optimal performance and safety.

HFP Accessories

For drivers who are looking for even more performance boosting features, the Honda Factory Performance Package, or HFP, accessories add style, aerodynamics, and upgrades to some of the equipment on the Civic Si Sedan– like wheels, suspension, and more.

  • Front Underbody Spoiler
  • Side Underbody Spoilers
  • HFP Side Badge
  • HFP Rear Badge
  • HFP Sport Suspension
  • 19-inch HFP Black Alloy Wheels
  • Black Wheel Lug Nut Set
  • HFP Carpet Floor Mats
Honda Civic Si Sedan Accessories

Test Drive Today

Find out more about the performance of the 2018 Honda Civic Si Sedan by contacting us or visiting your nearest Capital Region Honda Dealer. Explore current offers and experience the Civic Si Sedan first-hand with a test drive today.

*Based on 2018 EPA mileage ratings. Use for comparison purposes only. Your mileage will vary depending on how you drive and maintain your vehicle, driving conditions and other factors.
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391 S State Rd Cheshire • Cheshire, MA 01225

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Capital Region Honda Dealers

391 S State Rd Cheshire Cheshire, MA

Phone: (888) 794-9805

42.551937 -73.163808
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Capital Region Honda Dealers
Capital Region Honda Dealers
391 S State Rd Cheshire
Cheshire, MA, 01225 United States
(888) 794-9805
Capital Region Honda Dealers 42.551937, -73.163808.