SL55/63/65/R230 AMG How much extra power

Sep 9, 2015 | 08:02 AM

sound 8

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SL 63 W/B AMG , S600,C220

How much extra power

If I change from 20 inch to 19 inch wheels how much extra power will I get,
10,20,30 BHP, any one know, perhaps some formula.
S8

Sep 9, 2015 | 12:48 PM

euphoriaDSM

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SL65 AMG

To be honest it will be negligible. Nothing you would notice or actually feel unless you went down to a 18" with a sticky tire.

Sep 9, 2015 | 12:59 PM

BlownV8

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E55, GLS450, GL63, GLE350

Quote:

Originally Posted by sound 8

If I change from 20 inch to 19 inch wheels how much extra power will I get,
10,20,30 BHP, any one know, perhaps some formula.
S8

Do a Google search for the formulas. There are so many factors involved that you couldn't just spit out a number with any real accuracy. If you go to a lighter wheel/tire and are stepping down in diameter, you will make more power.

Sep 12, 2015 | 08:29 PM

cal1

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SL55, ML500 & Acura TL

If you buy those beautiful 19s that I have for sale, I am quite certain you will see 40 to 50 BHP at the wheels.

Sep 14, 2015 | 01:23 AM

Balr14

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From: SE Wisconsin

Mustang GT convertible, Porsche 997.2 cab

Assuming the same wheel material and overall wheel/tire height, you should improve acceleration and braking by 5 - 8% (hard to calculate without knowing weight and wheel/tire height), by reducing the flywheel effect. It doesn't change horsepower.