'18 Civic Si sedan

Crvplav

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Will they make these in an automatic in the future? Love the design, but just don't want stick.
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jakabony

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If you want an auto Civic, by an EX-T. Basically same features as the Si.
 

zroger73

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The Si has never been available with an automatic transmission and there's zero evidence to suggest that will change. The Si is built off the feature set of the EX-T, but there are many, significant differences listed below.

Putting an automatic transmission in a Civic Si is as wrong as putting a manual transmission in a Lincoln Town Car or wearing brown shoes with a black belt - some things just aren't mean to be. ;)

You're not the first person to express interest in an automatic Si and I've also seen people discuss an automatic Type R here!

If you want an auto Civic, by an EX-T. Basically same features as the Si.
Other differences between the EX-T and the Si besides the transmission... :)

  • engine output increased to 205 HP @ 5,700 RPM (SAE net) and 192 lb-ft torque @ 2,100-5,000 RPM (SAE net)
  • higher maximum boost pressure (20.3 vs. 16.5 PSI)
  • lower compression ratio (10.3:1 vs. 10.6:1)
  • higher-capacity MHI TD03 turbocharger (9-vane vs. 11-vane)
  • helical limited-slip differential
  • larger front brake rotors (12.3" vs. 11.1" vented front and 11.1" vs. 10.2" solid rear)
  • two-mode adaptive damper system with normal and firm settings
  • SPORT mode replaces ECON mode - increases suspension damping, reduces power steering assist, increases throttle sensitivity, and raises the activation threshold of the Vehicle Stability Assist system
  • 235/40R18 91W tires vs. 215/50R17 91H
  • 7% stiffer front spring rate
  • 18% stiffer front upper damper mounts
  • 7% stiffer front stabilizer bar rate
  • 32% stiffer rear spring rate
  • Solid vs. fluid-filled front and rear compliance bushings (rear shared with the Type R)
  • High-stiffness rear upper control arms (shared with the Type R)
  • 26% stiffer rear stabilizer bar rate
  • Si-specific seats with thicker side bolsters, non-adjustable headrests, and stitched "Si" logos
  • red interior stitching, gauges, and Display Audio color scheme
  • black headliner and pillar trim vs. gray in EX-T
  • front and rear facias similar to the hatchback
  • center-mounted polygonal exhaust outlet
  • higher-flowing intake system
  • 23% higher-flowing exhaust system
  • aluminum clutch, brake, and accelerator pedals
  • carbon fiber-look interior trim
  • 10% shorter shifter stroke
  • leather-wrapped, aluminum shift knob
  • revised shift linkage
  • increased rigidity of shifter bracket mount
  • 450-watt audio system (same as EX-T coupe vs. 180-watt in EX-T sedan)
  • additional items in Driver Information Display including G-force meter, turbo boost gauge with PSI indication, lap timer, throttle percentage, and brake pressure
  • leather-wrapped steering wheel, shift boot, and shift knob
  • premium fuel recommended
  • tire repair kit including sealant and a 12-volt inflator replaces the compact, temporary spare
  • vanity mirrors are non-illuminated vs. illuminated
  • EPA fuel economy ratings of 28/38/32 city/highway/combined vs. 31/42/35
 
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jakabony

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The Si has never been available with an automatic transmission and there's zero evidence to suggest that will change. The Si is built off the feature set of the EX-T, but there are many, significant differences listed below.



Other differences between the EX-T and the Si besides the transmission... :)

  • engine output increased to 205 HP @ 5,700 RPM (SAE net) and 192 lb-ft torque @ 2,100-5,000 RPM (SAE net)
  • higher maximum boost pressure (20.3 vs. 16.5 PSI)
  • lower compression ratio (10.3:1 vs. 10.6:1)
  • higher-capacity MHI TD03 turbocharger (9-vane vs. 11-vane)
  • helical limited-slip differential
  • larger front brake rotors (12.3" vs. 11.1" vented front and 11.1" vs. 10.2" solid rear)
  • two-mode adaptive damper system with normal and firm settings
  • SPORT mode replaces ECON mode - increases suspension damping, reduces power steering assist, increases throttle sensitivity, and raises the activation threshold of the Vehicle Stability Assist system
  • 235/40R18 91W tires vs. 215/50R17 91H
  • 7% stiffer front spring rate
  • 18% stiffer front upper damper mounts
  • 7% stiffer front stabilizer bar rate
  • 32% stiffer rear spring rate
  • Solid vs. fluid-filled front and rear compliance bushings (rear shared with the Type R)
  • High-stiffness rear upper control arms (shared with the Type R)
  • 26% stiffer rear stabilizer bar rate
  • Si-specific seats with thicker side bolsters, non-adjustable headrests, and stitched "Si" logos
  • red interior stitching, gauges, and Display Audio color scheme
  • black headliner and pillar trim vs. gray in EX-T
  • front and rear facias similar to the hatchback
  • center-mounted polygonal exhaust outlet
  • higher-flowing intake system
  • 23% higher-flowing exhaust system
  • aluminum clutch, brake, and accelerator pedals
  • carbon fiber-look interior trim
  • 10% shorter shifter stroke
  • leather-wrapped, aluminum shift knob
  • revised shift linkage
  • increased rigidity of shifter bracket mount
  • 450-watt audio system (same as EX-T coupe vs. 180-watt in EX-T sedan)
  • additional items in Driver Information Display including G-force meter, turbo boost gauge with PSI indication, lap timer, throttle percentage, and brake pressure
  • leather-wrapped steering wheel, shift boot, and shift knob
  • premium fuel recommended
  • tire repair kit including sealant and a 12-volt inflator replaces the compact, temporary spare
  • vanity mirrors are non-illuminated vs. illuminated
  • EPA fuel economy ratings of 28/38/32 city/highway/combined vs. 31/42/35
IMO none those differences matter if you want an auto. Maybe the upgraded radio. Otherwise all the performance upgrades are basically null and void if you donā€™t get a manual. Just my opinion.
 

Aero2001

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The next Acura ILX will probably have the Siā€™s engine with an 8DCT, and will probably offer Acuraā€™s version of Sensing. But of course it will also cost much more than the Si.
 

skullmurdoc

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IMO none those differences matter if you want an auto. Maybe the upgraded radio. Otherwise all the performance upgrades are basically null and void if you donā€™t get a manual. Just my opinion.
Except for the LSD !
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