Hondaman_MI
Senior Member
- Joined
- Apr 19, 2018
- Threads
- 53
- Messages
- 550
- Reaction score
- 350
- Location
- USA
- Vehicle(s)
- 17' Civic EX-T
These are the following differences an Si has, I copied and pasted from another post.Now I'm looking at Si's on some sales websites and they are advertising for $2500-$3K more than a Sport 6MT. Must. Resist. The. Urge. Haha. My research continues.....
- 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 TD025 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 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 throw
- 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. 31/42/3
- optional summer tires
- stronger rods
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