Thought I would post some pictures for size comparison.
From Left to right: Zip Zap SE, Hot Wheels Turbo Glo and Hot Wheels Sizzler
Here is a size comparison of 1/64 1/50 and 1/43 scale cars.
Front row 1/64 Scale: Zip Zap SE, Hot Wheels Turbo Glo and Hot Wheels Sizzler.
Middle 1/50 Scale: Hot Wheels Ferrari XV's
Back Row 1/43 Scale: Front Runners by Team Up Blue Car Jimmie Johnson 27mhz Red Car Dale Earnhardt Jr. 49mhz