“Speed costs money. How fast do you want to go?” is a saying that has been printed on gift items, such as T-shirts, caps and mugs. “Speed costs money. How fast do you want to go?” was given as an “old saying” in Hot Rod magazine in 1967. It’s not known who first came up with the saying.
 
     
Google Books
Hot Rod
Volume 20
1967
Pg. 54:
There’s an old saying that makes a lot of sense in the hot rod world, and it applies to just about any area of this vast sport. It goes something like this: “Speed costs money. How fast do you want to go?”
 
Google Books
How to Hotrod Volkswagen Engines
By Bill Fisher
Los Altos, CA: H.P. Books
1970
Pg. 69:
But, as the speed-shop sign says, “Speed costs money -how fast do you want to go?”
 
16 January 1970, The Plain Dealer (Cleveland, OH), “Permatex 200 stars ‘do-it-yourself’ drivers” by Shav Glick (Los Angeles Times), pg. 27, col. 1:
LOS ANGELES—Speed costs money. How fast do you want to go?
 
That’s the name of the game in motor racing, and if your name is Mario Andretti or Lee Roy Yarbrough or A. J. Foyt, the sky’s the limit. It’s not your money, it comes in big green bundles from Detroit factories.
 
2 May 1971, Boston (MA) Herald, “Racing Is Right Up His Alley” by George R. Ciampa, Import and Sports Cars section, pg. 2A, col. 2:
As the old hot rod adage puts it, “Speed costs money; how fast do you want to go?”
 
New York (NY) Times
Mayer Favors Simpler Engines To Cut Costs in Auto Racing
JOHN S. RADOSTA
July 23, 1972,
Section SPORTS, Page S7
[ DISPLAYING ABSTRACT ]
WATKINS GLEN, N.Y., July 22—There’s an old saying in racing: “Speed costs money. How fast do you want to go?”
   
USA Today
07/12/2002 - Updated 02:36 AM ET
Sponsors make NASCAR’s wheels go ‘round
By Chris Jenkins
(...)
An old saying in racing goes something like this: Speed costs money. How fast do you want to go?
 
Google Books
Danica: Crossing the Line
By Danica Patrick
New York, NY: Touchstone.
2006
Pg. 96:
My father always told me, “Speed costs money. How fast do you want to go?”
 
Twitter
Valvoline
‏@Valvoline
There’s an old saying in racing that goes, “Speed costs money. How fast do you want to go?” ... http://ow.ly/6zBPz
8:48 AM - Sep 20, 2011
 
Washington (DC) Post
Danica Patrick is out front at Daytona. But the women of NASCAR have miles to go.
By Janet Guthrie, February 22, 2013
There’s an old saying in motor sports: “Speed costs money. How fast do you want to go?”