By now, most of us know what to expect from a Porschemodel'slife cycle:it starts off with the basic car, followed by an S version, which offersa bit more verve. Then, apparently, Porsche's engineers in Zuffenhausen get a bit twitchy and they'reallowed to develop models further, which leads to the release of derivatives such as a GTS, a GT3, possibly a GT4 and, if they have nothing to do on a Tuesday afternoon, an R (orsomething suitably bonkers). What this means for the buyer is that they have to choose at what point they'd liketo quench their fomo…Wait too long and the one you want will betoo expensive; buy too early and you’re the person who bought the versionthat’s missing the extrakilowatts and suspension tweaks that make the difference.
Tinted tail lights, dark rear boot lip and the special wheels denote GTS model (other than the obvious GTS badge).
So the GTS is a progression from the Cayman S and Boxster S. It gets 11 kW more power,but torque remains at 420 Nm. Furthermore, it's kitted outwith a load of standard kit that’s usually on the options lists ofS derivatives. That means the Sport Chrono package is standard, as is torque vectoring and Porsche’s famed PASM stability system, which sees GTS versions sit 10 mm lower.
The exterior of a GTS features dark-tinted head and taillights and a black rear apron. GTS decals sit behind the front wheel arches and a sports exhaust system is standard. Inside, the seats are trimmed in Alcantara, as is the roof lining and a few other touch points around the cabin. The final addition is GTS badging in the headrests of the seats.
In line with the rest of the 718 series, the Boxster GTS and Cayman GTS are powered by a turbocharged flat-4-cylinder engine. In GTS spec, the 2.5-litre motor produces peak outputs of 269 kW and 420 Nm of torque. Equipped with the dual-clutch PDK transmission, the cars are claimed to hit 100 kph from standstill in 4.1 seconds. Choose a 6-speed manual and Porsche reckons the best you’ll manage is 4.6 seconds, which is anything but pedestrian,but it's interesting to note how much faster the PDK box is claimedto be than its stick-shift counterpart…
The flat-4 cylinder 2.5-litre engine is a happy revver and quickly hits its7 000 rpm rev limit.
The engine emits a unique note from of its exhaust ends: itsounds neither very intimidating, nor sonorous, to bystanders. Porsche is admittedly not the type of car brand that strives to achieve the perfect exhaust note, certainly not on its forced-induction cars… For decades,turbochargers have mutedany hint of crisp and clear tailpipe drama, you'd get wooshes, yes, but no guttural growls. Non-turbo models such as the 911 GT3 and previous-generation Cayman R positively sang, but the 718 lacks the aural drama of something like a Mercedes-AMG A45 or the rorty Audi TT RS.
There is good news, however. For what their engines lackin terms of ear-tingling excitement, the Cayman GTS and Boxster GTS can deliver unadulterated driving experiences, seeminglyat will. Out on Porsche’s home turf of Kyalami, an ideal place to test cars' dynamic ability, we were allowed to really open up the taps on the GTS versions. The mid-engined balance of the Cayman is especially fun to exploit…As you progress through the driving modes to the climacticSport Plus setting, the Cayman’s talents become incrementally more accessible. The Boxster isn’t a softie, however;it impresses in the same way as the Cayman, but its suspension is more pliant. It’s fun to drive on track, but compared with the Cayman, the hardtop provides the most thrilling drive.
The handling prowess of the Cayman is easily accessible, especially at Kyalami, which is home turf now, right?
Both versions of the 718 GTS instil a feeling of superb balance: a GTS' front end is fast to react and the chassis responds quickly to swaps of direction. It’s not rear-limited by any stretch of the imagination, so you’re free to stand on the throttle early and power out of corners with zeal.
The steering is sharp and has reasonable feedback, but I would like to experience a little more feel from the tyres, especially towards the ends of long fast corners, where you’re not quite sure whether the front tyres are beginning to push (understeer) or not. Still, the GTS (particularly the Cayman) can holda tighter line on corner exits than any AWDor RWDsportscars in its class.
The responsiveness of the turbo 4-pot is excellent on track, as is the slick PDK transmission. The motor revs cleanly to 7 000 rpm and hardly hesitatesto draw breath before snatching the next gear. The power delivery is much more linear than you'd expect from a turbo motor, which undoubtedly helps to keep the car's tail in line when you flattenthe accelerator when exiting corners.
The Boxster GTS is slightly softer than the Cayman but still thoroughly fun to whip around bends and on track.
Those who like to slide cars' rears might find the GTS a little too planted and grippy for their liking… besides, the power delivery is too smooth to produce that instantaneous shove that can elicitbreaks in traction. A lower-grip surface (and a bit more provocation) could yield better sideways results, except that doesn’t really seem to be what the Cayman and Boxster are about.
The Cayman GTS andBoxster GTS illustrate how good theunderlying 718 chassis is. By virtue of their mid-engined layouts, they're intrinsically balanced in away that none of their competitors can quite match… they feel light and exciting to steer enthusiastically, but also respond promptly and accurately to driver inputs without ever "biting back".
I feel there’s still more to exploit from the Cayman and Boxster packages. I would love to see Porsche drop in the flat-6from the Cayman R into the 718 chassisto see how much it’s really got, but, alas, the time of 6-potsin a Cayman or Boxster has probably gone. That said, we can still look forward to what’s to come, which will (in all likelihood) be aGT4 version. For now, this is an excellent point to get into a Boxster or Cayman, albeit with a bit of a price premium over the likes of the F-Type 2.0, TT RS or even something like the upcoming BMW M2 Competition Pack.
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