the Cayman; the only difference being the additional 15hp makes a total of 330hp rather than 340.
However, it would take a far more astute senses than mine to detect any accelerative difference. The figures show a couple of tenths here or there but the Boxster remains a very fast car. Five seconds to 62mph and over 170mph was 911 pace not that long ago, just in case that fire needs stoking once more.
The gearing is a little too long with the manual, which is a real frustration given how glorious that flat six is in the upper reaches of its rev range. Of course with the roof lowered the occupants are treated to an even more intense aural treat too. Occasionally it seems a little overexuberant but most of the time that flat six shriek is the perfect accompaniment to some spirited open driving. The exhaust can be turned off for slightly more discreet progess too.
Overall, the conclusion on the Boxster GTS is much the same as the Cayman. For those considering a few options on an S (and according to Porsche, they typically leave the showroom with options worth 10 per cent of the RRP), a GTS could easily be justified. Those after an S bereft of options will of course not be disappointed either, apart from perhaps at trade-in time.
F-Type V6 feel a little cumbersome, even if the Jag remains arguably a more covetable thing. A comparison with the Exige V6 S would surely prove fascinating as well.
But there's one more contender, one that isn't available just yet; the Alfa 4C Spider. With open cars typically more occasional than hard tops, could the Alfa's compromises be more easily tolerated? And with more development time, hopefully some of the dynamic foibles can be addressed as well. Now there could be a twin test worth waiting for.
PORSCHE BOXSTER GTS
Engine: 3,436cc flat-six
Transmission: Six-speed manual, rear-wheel drive (seven-speed PDK optional)
Power (hp): 330@6,700rpm
Torque (lb ft): 272@4,500-5,800rpm
0-62mph: 5.0 seconds (4.7 with PDK and Sport Chrono)
Top speed: 175mph (173mph)
Kerbweight: 1,345kg (1,375kg)
MPG: 31.4 NEDC combined (34.4)
CO2: 211g/km (190g/km)