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Longer lasting plugs is not a great advantage for a Sports Car.
They may last longer, but so what...??? Do they stay at optimum for their entire service life??
If you're a Fleet Operator, longer life plugs can make sense.
But, Plugs give you a look-see inside the engine and can tell-tale many issues. You should remove the plugs occaisionally and see what they're telling you, plus you'll spot any issues with plug tube 'O' rings.
With access underneath, as long as you're pulling them to inspect them anyway, might as well replace them at the same time.
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