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Is 390,000 inches per hour as fast as a Porsche 911?

It's about one-thirty-fifth as fast as a Porsche 911
The speed of a Porsche 911 is about 13,000,000 inches per hour.
(for Porsche 911 Type 997 GT2, 2007 model)
The Porsche 911 GT2 has a top speed of 13,000,000 inches per hour. It takes just 7.4 seconds for the GT2 to accelerate to 6,340,000 inches per hour.
There's more! See other comparisons to 390,000 inches per hour...