is this nice to replace the 1.8s stock? 16" 7jj 5x114.3 offset 40 rm950

Why regret? I bought the 1.8S version for my wife and although we could easily afford the 1.5TCP model, we decided the 1.8S was more value for money since the Civic turbo is just a soft turbo. Plus the 1.8S is 14K cheaper compared to the 1.5TC model and the main things we miss out on is only the soft turbo and the leather seats. Not big ticket items if this isn't your main car.

I think the 1.8S offers the best value for money deal for that price tag and the specs on offer. But the turbo is good too and gives u that extra driving edge for faster overtaking.

A picture of my Civic

Ok la... As I said, I owned the FD2 for 5 years previously, so I'm in a position to review both I really loved the FD2 - up until I saw the FC1 launch in the US, I knew I had to buy it. I even booked the car in February 2016 - way before the Malaysian launch

My previous car, Honda Civic 2011 Concept M. Happy I bought this earlier, instead of the dismal FB...
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Actually, I also had this problem, until I found out that my petrol station tyre pump was pumping in too much air so, check your pressure in the morning, and fill it up properly. 220kpa for all tyres, and you'll feel that the FC is a lot more stable. It was like 270kpa when I got it, and the faulty tyre pump was filling in about 250kpa...
This is between Top Spec vs Top Spec

Details	FC	FD
Engine	16-valve DOHC, turbocharged with VVT	16-valve DOHC, i-VTEC
Engine Size	1,498 cc	1,998 cc
Compression Ratio	10.6	9.6
HP	171 hp at 5,500 rpm	155 hp at 6,500 rpm
Torque	220 Nm at 1,700-5500 rpm	188 Nm at 4,500 rpm
Transmission	CVT	5AT
Wheelbase	2,700 mm	2,700 mm
Length	4,644 mm	4,503 mm
Width	1,799 mm	1,753 mm
Height	1,416 mm	1,435 mm
Weight	1,316 kg	1,315 kg
Headlights	LED	HID
Tyre Size	215/50/R17	215/55/R17
Airbags	6	4
Others	Rear Aircond, Rear Camera	Foldable Backseats
Personal Fuel Consumption	City 13km/l, Highway 17km/l	City 10km/l, Highway 13km/l
Boot Capacity	519L	450L
Fuel Tank Capacity	47L	50L

Others spec, just check online laaa...

This is just my opinion la, but I feel more confident to drive at 200km/h with the FC. You can really feel the acceleration is better & faster on the FC.

FD top speed is 222km/h, but GPS would only log it at 212km/h iirc. FC top speed is 207km/h, but you can actually feel that it can go higher - it's limited electronically, and feel as if you're not pressing the accelerator GPS would log it at 203km/h iirc.

Cornering on the FD is slightly better though, but I would attribute it to the tyres (Pilot Sport 3 vs MaxContact). I'm planning to change my tyres to Pilot Sport 4 by the end of the year - so I'll test the cornering performance then.