'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 don’t get a manual. Just my opinion.
 

Aero2001

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The next Acura ILX will probably have the Si’s engine with an 8DCT, and will probably offer Acura’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 don’t get a manual. Just my opinion.
Except for the LSD !
 

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