I didn't play 3rd edition for an appreciable time, but that isn't how it worked in 4th edition. Cyberware & Bioware didn't get discounted based on metatype. Certain kinds of gear had extra costs independently. In 4th, Lifestyles weren't even modified based on which Metatype you were so your basis that it shouldn't be different from before is fundamentally flawed.
Errata Here
There's a link to the errata there. But the pertinent section is: The paragraph that begins "When a character factors in racial modifiers" has information about gear costs for dwarves and trolls that does not apply in
SR5. That paragraph should be removed and replaced with...