From March 2017, five new variants will be added to the 911 range: 911 Carrera GTS Coupe or Cabriolet with rear-wheel-drive, 911 Carrera 4 GTS Coupe or Cabriolet with all-wheel-drive, and 911 Targa 4 GTS with all-wheel-drive.
A newly developed turbocharger for the 3-litre flat 6-cylinder engine increases power to 450bhp. The engine delivers 30bhp more than the 911 Carrera S and 20bhp more than the corresponding previous GTS model with a naturally aspirated engine. All variants are available with a manual 7-gear transmission or optional Porsche Doppelkupplung (PDK) dual-clutch transmission. The maximum torque of 550Nm provides even better acceleration and elasticity figures. The torque is available between 2150rpm and 5000rpm.
Porsche Active Suspension Management (PASM) is included as standard on all GTS models. The GTS Coupés feature the PASM sports chassis, which lowers the body by 10 millimetres. The fastest sprinter in the family is the 911 Carrera 4 GTS Coupé: With Porsche Doppelkupplung (PDK) and the Sport Chrono Package as standard, it races from zero to 100km/h in 3.6 seconds. All GTS models feature a top speed in excess of 300km/h. The frontrunner at 312km/h is the Coupé with manual transmission and rear-wheel-drive.
Despite the increase in performance, the GTS remains efficient – the 911 Carrera GTS with PDK, for example, consumes only 8.3 litres per 100km. This corresponds to CO2 emission of 188g/km.
The GTS models stand out within the 911 model line not only in terms of technology, but also in their visual design. All of the vehicles are based on the wide all-wheel-drive chassis, which measures 1852mm even on the rear-drive models.
The new Sport Design front apron emphasises the sporty character. The front end is also aerodynamically optimised, with a low front spoiler and increased rear spoiler extension height further reducing the lift forces on the front and rear axle compared to the Carrera S models.
At the rear, the 911 GTS is unmistakeable with its smoked tail-lights, silk-gloss black air intake grille and central black twin tailpipes of the sports exhaust system, which is included as standard. A new black trim strip between the tail-lights characterises the rear-wheel-drive models. The light strip is reserved for the all-wheel-drive models.
Sport Design exterior mirrors, 20-inch wheels with central locking device painted in silk-gloss black, plus GTS logos on the doors, complete the side view. The characteristic Targa bar, which is supplied in black for the first time on the GTS, also lends the 911 Targa a particularly distinctive look.
GTS genes also shape the interior. The stopwatch of the Sport Chrono Package is integrated as a central component of the dashboard. The Porsche Track Precision app has been further enhanced specially to coincide with the market launch of the GTS models. Its features include automatic recording, detailed display and analysis of driving data on a smartphone.
911 GTS passengers sit on Alcantara seats with a new stitching pattern. The Sports Seats Plus with GTS logos on the headrests can be adjusted in four-ways electrically and provide increased lateral support and comfort. Other features include brushed, black anodised aluminium trim strips on the instrument cluster as well as a high proportion of Alcantara, which can be found on the steering wheel rim, centre console and armrests, for example.
The five newly added 911 GTS models are available to order now. 
Read our comparison of 911 GTS 3.8 and Mercedes-AMG GT S 4.0.
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