NMC and LFP (of the same cost) are about even, but pricier NMC packs can add maybe 10% more range for the same weight. Which is why most EV companies offer a "long-range version" that's just the same car with an NMC pack swapped in. It's mostly an irrelevant gimmick.

The truth is that range isn't limited by batteries, it's limited by weight and cost - a bigger battery weighs more, which means the car (frame) needs to support more weight, which means the car (frame) costs more. Most EVs have a range of ~300 miles (~500KM) and any battery gains don't go into extending the range, they go into reducing the weight (and therefore cost) of the car. Lighter frame, fewer battery cells. Because most people don't care past 300miles (500KM). Not enough to pay an extra $5k, at least.