Most of us with same size front and rear rims run the 195 front and rear.
1st Mod - Wheels and Tires
Recently I purchased a previously loved 2013 Pure.
I like the care, it's fun to drive, and a gas at a Parking Lot Autocross (Non-SCCA).
The stock tires were worn out, so I replaced them for safety sake, but the car still pushes on the skid pad and I can't count how many times I've straighten the outer rims after a pothole encounter.
I researched and researched, but few threads shared their backspace info. I did find a chart, but it seemed to me some combos were by racing teams with spacers.
Discount tires can order in rims, but I figured if I did that, I would also order tires and make it a bolt on affair.
There are also companies which make replacement OEM wheels, but want $$ for them.
TireRack sells Alutec Grip 3 wheels in a 15" rim that measure 15X5 (20MM BS) Front and 15X6 (24MM BS) Rear that are a bolt on, no fuss upgrade over the stock steel wheels and at this writing are $110 ea.
They come in 2 tones of grey, and clear everything, no spacers required.
For tires I went with 185X55X15 Front, and 195X45X15 Rear because that's the best I could do with Toyo Proxes.
I got a call from the Tire-Rack Rep about the rears as "Smart Car owners don't order that size", but I wanted the Toyos. If I wanted to go outside that brand I would have chose a 205X55X15 rear instead.
The combo arrived at the door, assembled, and balanced in 2 days. Not too shabby
The speedometer read 4.5 mph fast at 60 before, and now it's only 3 mph fast.
MPG is unchanged at 43 combined City/HWY - heavy on the HWY.
Pushing (understeer) is much reduced.
The car actually feels safer then before and on the track. Gone is the "Skipping" and Rocking caused by the fronts bouncing as they skid through the understeer. Truth be told, the nannybots were a lot happier because the transitions were smoother.
Daily driving comfort is about the same. The chassis is pretty stiff, so I don't expect much.
I like the care, it's fun to drive, and a gas at a Parking Lot Autocross (Non-SCCA).
The stock tires were worn out, so I replaced them for safety sake, but the car still pushes on the skid pad and I can't count how many times I've straighten the outer rims after a pothole encounter.
I researched and researched, but few threads shared their backspace info. I did find a chart, but it seemed to me some combos were by racing teams with spacers.
Discount tires can order in rims, but I figured if I did that, I would also order tires and make it a bolt on affair.
There are also companies which make replacement OEM wheels, but want $$ for them.
TireRack sells Alutec Grip 3 wheels in a 15" rim that measure 15X5 (20MM BS) Front and 15X6 (24MM BS) Rear that are a bolt on, no fuss upgrade over the stock steel wheels and at this writing are $110 ea.
They come in 2 tones of grey, and clear everything, no spacers required.
For tires I went with 185X55X15 Front, and 195X45X15 Rear because that's the best I could do with Toyo Proxes.
I got a call from the Tire-Rack Rep about the rears as "Smart Car owners don't order that size", but I wanted the Toyos. If I wanted to go outside that brand I would have chose a 205X55X15 rear instead.
The combo arrived at the door, assembled, and balanced in 2 days. Not too shabby
The speedometer read 4.5 mph fast at 60 before, and now it's only 3 mph fast.
MPG is unchanged at 43 combined City/HWY - heavy on the HWY.
Pushing (understeer) is much reduced.
The car actually feels safer then before and on the track. Gone is the "Skipping" and Rocking caused by the fronts bouncing as they skid through the understeer. Truth be told, the nannybots were a lot happier because the transitions were smoother.
Daily driving comfort is about the same. The chassis is pretty stiff, so I don't expect much.
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