You could get a really nice 997.2 911 C2S or C4S...
OP hasn't specced his requirements or desires.
Porka should still be OK... IMO... Porsche is more upright... so might have you in the headroom department.
McLaren is more laid back, so should cater for you... drop me a trust and I'll put you in touch with my guy for a test... if you're looking in the new car price budget.
My old i8 updates from the magazine have been put online (from month one to month seven) here, if you're interested: https://www.carmagazine.co.uk/car-r...bmw/bmw-i8-2016-hybrid-long-term-test-review/
And 0 to 6 is actually about 4s.
https://www.google.co.uk/amp/s/insi...-world-test-results-0-60-mph-3-8-seconds/amp/
Half the car is plastic or CF so no rust issues. but any 5 year old modern car should not be rusting.
You don’t need to charge it at home, drive it in sports mode and it will self charge.