Several things make a difference in whether or not the height of your new granite kitchen counters match the height for your slide in range.
Stove height countertop height.
Most common stove size the most common stove width is 30 inches and most stoves are 36 inches high so they are flush with the standard.
Flooring under the cabinets but not under the stove.
The accepted standard for kitchen counter height is 36 inches.
This is the same height as most countertops so the cooking surface on your stove top matches the preparation surface on the counters.
According to kitchen cabinets and hardware the height of the stove top is standardized at 36 inches.
There should be adjustable feet to move it up or down to better match small differences in height.
With countertops typically measuring 1 to 1 inches in thickness together the base cabinet and countertop will combine for a height of close to 36 inches which is widely accepted as a standard countertop height that affords the broadest range of ergonomic comfort.
In reality sometimes they are that height and sometimes they aren t.
Standard counter height is 36 and ranges generally are made to match that.