Just underneath of the engine.
A 1999 Mazda Miata requires 4.0 quarts of oil.
3.8 to 4 quarts of engine oil.
1.6L Engine = 3.6 quarts
Standard 4 quarts can be used for an engine oil change.
Miata's tend to tick a little.You can try 5-30 oil at your next oil change but it's unusual for a Miata not to tick a little at start up.
On the back, bottom of the oil pan, accessible from the passenger side once on ramps or jackstands.
Is it difficult to remove an oil pan for a 1995 mazda miata?
4 quarts
5W30. The engine in the Sportage is from Mazda, and based on the same engine used in the Miata. Use a full synthetic 5W30 with a good oil filter. There isn't as much Sportage info out there as there is Miata, so look that up if you need more info.
shell 10w-40w
The Mazda Miata air conditioning drain to can be found on the bottom of the air conditioner compressor. The drain to runs to the bottom of the oil pan.