Commenters draw a firm line between the 2016-2018 155hp ND1 and the 2019+ 181hp ND2, which also brought a higher redline, revised suspension/seats, and a 2018 steering-rack change. Many call 2019 the sweet-spot year.
ND1 155hp vs ND2 181hp — the 2019 engine update
Mazda MX-5 Miata (ND) · variant