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World premiere of the new Tiguan GTE Active Concept
12 January 2016

World premiere of the new Tiguan GTE Active Concept

Progressive plug-in hybrid drive with maximum off-road power

The USA is the world's most important SUV market; in no other country does the multifaceted, all-round vehicle enjoy such an automotive feeling. Now, Volkswagen is introducing the Tiguan GTE Active Concept - a forbearer of an entirely new generation of SUVs - in a world premiere at the North American International Auto Show (NAIAS) in Detroit - in the Sport Utility Vehicle's country of origin. Especially progressive is the 165 kW / 225 PS drive system of the Tiguan GTE Active Concept: an efficient plug-in hybrid system with two electric motors and an engine, which can supply all four wheels with power - automatically or at the push of a button. In this show car, Volkswagen is proving how much potential the plug-in hybrid systems have. On-board the Tiguan GTE Active Concept, the technology of the all-wheel drive system ensures that the SUV can offer confident off-road performance even in all-electric mode.

SUV product offensive. The five-seat concept car is based on the completely redeveloped second generation of the Tiguan. The Tiguan GTE Active Concept reflects the great technical range of the new SUV generation with its all-wheel plug-in hybrid system and an infotainment system that has also been redeveloped (9.2-inch touchscreen with gesture control and a high-end glass surface). It will arrive on the USA market starting in spring 2017 in a version with an even longer wheelbase and seven seats. For Volkswagen, the new Tiguan marks the kickoff of an SUV product offensive - the range of SUVs offered will be significantly expanded, especially in North America.

Zero emissions in start-up phase. After starting the drive system, the concept car always drives at first as a zero emissions vehicle in the all-electric E-mode. Normally, it is driven by the rear wheels, but if there is a risk of traction loss, the front wheels are engaged too within fractions of a second. All four wheels are also activated when the driver selects 4MOTION Active Control of the all-wheel drive or off-road programs. Then too, the Tiguan GTE Active Concept starts up in all-wheel drive and with zero emissions (provided of course that the battery is sufficiently charged). The Volkswagen can cover up to 20 miles all-electrically. The vehicle's driving range (based on a battery capacity of 12.4 kWh and a 64-liter fuel tank) is 580 miles.

Progressive overall concept. Volkswagen has configured the design, packaging and technical features of the SUV to be just as progressive as its plug-in hybrid drive system. The Tiguan GTE Active Concept projects an authentic off-road look, which makes a powerful impression with its stylish precision and perfection and taut proportions. The Tiguan is the first SUV to be based on the modular transverse matrix (MQB), and it shows innovative space utilization as a plug-in hybrid. Moreover, like the later production version of the new generation of SUVs, the Tiguan GTE Active Concept is also equipped with safety systems such as Front Assist including City Emergency Braking and pedestrian monitoring, an active bonnet, Lane Assist and the automatic post-collision braking system. Another highlight of the concept car is its infotainment system: In the Tiguan GTE Active Concept, Volkswagen is presenting the top system of a new generation of high-tech infotainment - with a 9.2-inch touchscreen and gesture control that has been implemented for the first time in this class. Also on-board: an Active Info Display (fully digital instruments) and a head-up display.

Plug-in hybrid plus 4MOTION. The Tiguan GTE Active Concept - which is equipped with a turbocharged gasoline direct-injection engine (TSI, 110 kW / 250 Nm) and two electric motors (front 40 kW / 220 Nm, rear 85 kW / 270 Nm) - shows that a plug-in hybrid drive (system power: 165 kW / 225 PS) can confidently supply all four wheels with propulsive force under off-road conditions. The all wheel drive system - known as 4MOTION at Volkswagen - boosts traction and contributes to active safety on normal roads as well.

Drive system components. The transmission used in the Tiguan GTE Active Concept is a 6-speed dual-clutch transmission (DSG) that was specially designed for hybrid use; the electric motor at the front is integrated into the transmission case. Other components of the 4MOTION plug-in hybrid drive, besides the motors and engine, include the lithium-ion high-voltage battery (energy capacity: 12.4 kWh) that can be charged either externally or via the TSI, power electronics for the front motor and a second power electronics module integrated in the electric motor at the rear (it converts the direct current from the battery into alternating current for the electric motors) and a charger.

Drive types - rear-wheel and all-wheel drive. Depending on the driving program and drive modes, the Tiguan GTE Active Concept is either driven by the rear wheels or by all four wheels. As a default, the concept car always starts off electrically in the zero-emission E-mode. If the battery is sufficiently charged, the rear electric motor powers the car by itself; now the Tiguan GTE Active Concept is a rear-wheel drive car - the TSI and the front electric motor are decoupled from the drivetrain and are shut off to save on energy. However, as soon as the driving situation demands it, or the driver manually activates a related mode, the front electric motor is also engaged in fractions of a second. The Tiguan GTE Active Concept is now a zero-emission all-wheel drive vehicle whose electric motors are supplied with energy from a lithium-ion battery. The concept car can cover up to 20 miles before the gasoline engine is needed. In Emode, the Tiguan has a top speed of 70 mph or 120 km/h.

Electric propshaft. If the battery is no longer sufficiently charged, and the system requests that the electric motor on the rear axle be supplied with electricity (for dynamic handling reasons or in the Off-road program) by the front electric motor and gasoline engine, the TSI is started up and engaged (Hybrid mode). In this case, the front electric motor serves as a generator for the rear electric motor.

Since the energy for driving the rear axle flows "by wire" and not mechanically, we speak of an "electric propshaft". In Hybrid mode, the Tiguan GTE Active Concept may automatically use the TSI and/or the electric motors, depending on the energy level of the battery.

Driving programs: Onroad, Offroad, Snow, Charge, Battery Hold. The rotary/push-button switch of the new 4MOTION Active Control unit is located on the center console. The driver can use this control to select one of six driving programs: Onroad (Comfort or Eco), Offroad (Rocks, Sludge & Sand or Gravel), Sport, Snow, Charge (battery is charged while driving) and Battery Hold (maintains a constant battery charge). When the Tiguan driver turns the round switch to the left, the on-road programs Onroad, Sport, Snow, Charge or Battery Hold can be activated. When the switch is turned to the right, the user can access the Offroad programs. In offroad duty, the 4MOTION Active Control can adapt the assistance systems to the given driving situation within seconds with just one user operation - a further safety benefit. The same applies to the Snow program, which optimizes safety in winter road conditions.

Drive modes: Hybrid, E-Mode, GTE. The E-mode and GTE mode are activated by separate buttons on the center console. When the driver presses the E-mode or GTE-mode button a second time, the car switches back to Hybrid mode. As mentioned, the Tiguan GTE Active Concept may operate with either rear-wheel drive or all-wheel drive in Hybrid mode and in E-mode. In the very dynamic GTE mode, the car automatically switches to all-wheel drive. The GTE mode is a USP of all Volkswagen cars with a plug-in hybrid drive. The transmission, accelerator pedal and steering characteristics are made noticeably more dynamic, and the TSI engine's tuning is also more performance oriented. In addition, the turbocharged gasoline direct-injection engine and the electric motors work together in the GTE mode and in kickdown/boosting. This makes the full system power of 165 kW / 225 PS available - and in this case the Tiguan GTE Active Concept, with its top speed of 120 mph / 193 km/h, accelerates to 60 mph in 6.4 seconds. Depending on the given driving situation, the SUV may use the TSI by itself or switch over to the additional "Coasting" or "Regenerative braking" hybrid modes.

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