Indeed, the Boxster is castrated with each model year.
Some more examples:
2013 911 3.4 has 350hp
2013 Boxster S 3.4 has 315 hp
2013 Cayman S 3.4 has 325 hp
2013 base Boxster 2.7 has 265 hp
2013 base Cayman 2.7 has 275 hp
From what I understand, the 3.4 engines are all the same internally and intake/exhaust/ECU tuning accounts for the differences. Ouch.
100 hp per litre is no problem (and the GT3 waaay exceeds this number) but we don't even come close.
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