2015 Geneva: Audi Q7 e-tron 3.0 TDI Quattro is the first diesel plug-in hybrid with quattro drive

Article by Christian Andrei, on March 10, 2015

The all-new Audi Q7 e-tron 3.0 TDI Quattro was introduced at the 2015 Geneva Motor and became the world’s first TDI plug in hybrid with Quattro drive. According to the manufacturer, the vehicle uses a 3.0-liter six-cylinder diesel engine and an electric motor that produce a total output of 373 hp (275 kW) and 700 Nm (516 lb-ft) of torque.

According to Audi, the diesel engine produces 258 hp (190 kW) and 600 Nm (442 lb-ft) of torque, while the disk-shaped electric motor provides 94 kW and 350 Nm (258 lb-ft) of torque. The hybrid system is able to push the Audi Q7 e-tron 3.0 TDI Quattro from 0 to 100 km/h (62 mph) in 6.0 seconds, while top speed is 225 km/h or 139.8 mph.

Moreover, the Q7 e-tron offers an all-electric range of up to 56 kilometres (34.8 miles). What’s more impressive is that according to ECE standard for plug-in hybrid vehicles, the Audi Q7 e-tron Quattro will need only 1.7 liters of diesel fuel per 100 km (138.4 US mpg), while CO2 emissions are less than 50 grams per km.

The electric range is provided by the energy stored in the lithium-ion battery that consists of 168 high-quality battery cells, which are fluid-cooled. With a capacity of 17.3 kWh, the battery helps the Q7 e-tron Quattro achieve a total range of 1,410 km (876 miles).

Another highlight of the vehicle includes the standard thermal management system with integrated heat pump, specially developed for the Q7 e-tron Quattro, which uses the head from the electrical drive components and makes it available for the interior.

Audi says that its plug-in hybrid SUV features a new two-phase charging technology that allows charging with up to 7.2 kW of power.

Depending on the charging cable, full charging of the battery takes about two-and-a-half hours. The Q7 e-tron Quattro generally starts in electric mode and to activate the TDI engine, the driver needs to press down on the active accelerator pedal beyond a certain point of resistance.

When it comes to design, the Q7 e-tron Quattro features a deeply sculpted Singleframe grille, 19-inch wheels, air intakes and a rear diffuser specifically designed for this model, while the headlights are three-dimensional, with their light signature appearing as a double arrow.

Drag coefficient is only 0.34. Inside, we find the Audi virtual cockpit, which replaces the traditional instrument cluster with a display having a 12.3-inch diagonal. The Audi Q7 e-tron quattro will arrive at dealers in Germany in the spring of 2016.

Press Release

Audi Q7 Enters The Volt Age In Geneva With New Sub 50 G/Km Q7 e-Tron Quattro

Commanding new Q7 incorporates hybrid drive for a combined 876-mile range and 166mpg potential

  • First diesel plug-in hybrid with quattro drive in its segment
  • First ever plug-in hybrid TDI from Audi
  • Six-cylinder TDI engine develops 373 PS
  • Electric-only range of up to 34 miles, increasing to 876 miles combined
  • Fully charged in two and half hours
  • Maximum efficiency with hybrid management
  • UK ordering expected to open at the end of 2015

Ingolstadt/Geneva, March 2, 2015 - Audi has combined its world renowned diesel engine expertise with its equally widely acclaimed flair for technological innovation to create its first TDI plug-in hybrid with quattro all-wheel drive. Making its world public debut at the Geneva Motor Show, the new Q7 e-tron quattro combines a frugal TDI engine with lithium-ion battery technology for a potential range of up to 876 miles and the ability to travel emission-free for over 34 miles on electric power alone, contributing to an official CO2 figure of less than 50 grams per kilometre.

The Q7 e-tron quattro is the second Audi model with a powerful plug-in hybrid drive system. With a system output of 373 PS and 700 Nm (516.3 lb-ft) system torque, it accelerates from 0 to 62 mph in just 6.0 seconds, and continues up to a top speed of 139 mph. According to the relevant standard for plug-in hybrid vehicles, however, the large SUV can return up to 166mpg combined, corresponding to CO2 emissions of under 50 grams per km. This value too sets new standards.

Like all Audi hybrid models, the Q7 e-tron quattro has also been designed as a parallel hybrid. The highly efficient 3.0 TDI is the latest-generation V6 diesel engine, delivering 258 PS of power and 600 Nm (442.5 lb-ft) of torque. Active engine mounts – a world first for a diesel engine – eliminate unwanted vibrations through selective counter pulses.

The disc-shaped electric motor provides 94 kW and 350 Nm (258.1 lb-ft) of torque. Together with a decoupler, it is integrated into the eight-speed tiptronic. The automatic transmission is outstanding for its high efficiency and low weight. The quattro permanent all-wheel drive, also compact and lightweight, transmits power to all four wheels. During fast cornering, its center differential works closely with the wheel-selective torque control system, an intelligent software feature.

34-mile electric range: best in segment

The lithium-ion battery consists of 168 high-quality battery cells and is fluid-cooled. With a capacity of 17.3 kWh, it allows a 34.8 mile range in electric mode – another record in the segment.

Another efficiency component is the standard thermal management system with integrated heat pump, specially developed for the Q7 e-tron quattro. This makes it possible for the waste heat from the electrical drive components to be made available to the interior of the Q7 e-tron quattro. Audi is the first manufacturer worldwide to introduce this technology in series production in a plug-in hybrid and is thus setting new standards in the areas of interior comfort, climate control efficiency and range in EV mode. As well as heating up the interior more quickly, the customer also benefits from a far-reaching electric driving experience.

The new two-phase charging technology installed in the new Q7 e-tron quattro allows charging with up to 7.2 kW of power. Depending on the infrastructure (appropriate high-performance industrial socket) and the charging cable, full charging of the battery takes about two-and-a-half hours. A power charging cable is standard equipment. Audi offers its customers an optional package of e-tron services. They range from changeover to renewably generated electricity (Audi Energy) to installation and customer service. A convenient solution is also provided by the standard e-tron services in the Audi connect portfolio, for controlling functions like charging and air conditioning via smartphone.

Four driving modes

The hybrid management system controls the operating states of the Audi Q7 e-tron quattro intelligently, flexibly and with high efficiency. The driver can choose between four modes. The EV mode prioritises electric driving, while in hybrid mode hybrid management decides on the type of drive for the most part freely. In battery hold mode, the system stores the available electrical energy, and charges the battery in battery charge mode.

The large SUV generally starts in electric mode. To activate the TDI, the driver has to press down on the active accelerator pedal (another innovation from Audi) beyond a certain point of resistance, which depends on the requirements of the hybrid management system. A pressure point must also be overcome for boosting, in which case both the engine and motor work together.

When the hybrid mode is active and the eight-speed tiptronic with integrated electric motor is in shift position D, the Audi Q7 e-tron quattro changes to coasting mode once the driver takes his foot off the accelerator. The TDI and electric motor are then deactivated. Should the Audi Q7 e-tron quattro approach a slower vehicle ahead or a traffic circle or the city limit, the coasting mode ends in favour of controlled regenerative deceleration. To detect the traffic situation ahead, the data from MMI navigation plus, the front camera and (if adaptive cruise control is on board) the radar sensors are used.

When driving in shift position S and in the battery charge mode, energy recovery begins as soon as the driver releases the accelerator. The driver can progressively influence the degree of recuperation by operating the shift paddles on the steering wheel. The majority of all brake applications in everyday use also occur via the electric motor. In the event of moderate or sharper deceleration, the hydraulic brakes come into play.

The MMI navigation plus is closely integrated in the hybrid management system in the Audi Q7 e-tron quattro. Based on the navigation data and real-time traffic information, the most fuel-efficient choice of four modes can be calculated along the route to the destination as soon as the car is started, even for long distances.

The predictive efficiency assistant facilitates a forward-looking hybrid strategy, and is another new and breakthrough technology from Audi.

During driving, the predictive efficiency assistant supplies highly precise information on the near surroundings – creating a detailed picture of up to 1.9 miles ahead along the route from the navigation and camera data as well as from the radar information. On approaching traffic signs with speed limits, town signs, bends, traffic circles and intersections, the system visually signals to the driver to release the accelerator pedal. At the same time, the active accelerator pulses once against the sole of his or her foot.

New technologies: Exquisite comfort and agile handling

The new Audi Q7 e-tron quattro is a long-distance car with great sporting talent and yet suitable for everyday use. The new electromechanical power steering is highly efficient as well as sensitive. The five-link wheel suspensions, also newly developed, on the front and rear axles are lighter by 60 kilograms compared with the predecessor model, and greatly contributes to the high driving dynamics. The lowered centre of gravity also plays an essential role here.

The entry level version of the premium SUV covers ground quietly and smoothly, and comfort can be further enhanced by the optional adaptive air suspension with controlled damping. The driver can regulate the mode of operation via the standard Audi drive select dynamic handling system. It offers up to seven modes and integrates further technical components such as the steering, accelerator and automatic transmission.

As an all-rounder for leisure, family, sports and business, the Audi Q7 e-tron quattro also effortlessly masters easy terrain. A tilt angle display, hill descent control, an off-road mode for the Electronic Stabilisation Control (ESC) and off-road navigation are standard.

Power and understatement: the design

The design of the new 5.05 metre-long Audi Q7 strikes a balance between powerful, intensified stylistic elements and elegant understatement. Details such as the deeply sculpted Singleframe grille, the striking emphasis of the wheels and the flared edges over the wheels – the "quattro blisters" – embody the brand's DNA. All lines and surfaces are designed precisely and incisively, and accentuate the width and solidity of the car. The tailgate wraps around the steeply angled D-pillars – typical of the Q models from Audi.

The Singleframe, the air intakes, the 19-inch wheels and the rear diffuser are specially designed on the Q7 e-tron quattro. The headlights are three-dimensional, with their light signature appearing as a double arrow.

The body plays a decisive role in the relatively low weight of the Audi Q7 e-tron quattro. With its many components made of hot-formed steel and aluminium, it utilises the same lightweight construction potential as the conventional Q7. The drag coefficient is only 0.34.

Elegant design and top quality: the interior

The Audi Q7 e-tron quattro has the most spacious interior in its segment. The three rear seats have adjustable backrests and can be moved fore/aft as desired. The lithium-ion battery is accommodated in a space-saving way: The luggage compartment has a capacity of 890 litres in its basic configuration, with a maximum of 2,075 litres. An electrically operated tailgate is standard.

Design elements like the wrap-around – the long arc around the driver and front passenger – the trim strips and the panel of air vents emphasise the capacious dimensions of the interior. The two-part trim areas allow many individual combinations; the range of upholstery is of luxury-class standard. Numerous materials from the elegant Audi design selection are new to the Q family. The workmanship makes no compromises – a typical Audi hallmark.

State of the art: operation and displays

A highlight in the Q7 e-tron is the standard Audi virtual cockpit – the fully digital instrument cluster with its 12.3-inch diagonal presents all the important information in stunning clarity. The driver can retrieve different levels of information, including specific e-tron displays such as the power meter. The large display makes it possible to switch to a conventional tachometer or to display it simultaneously with the power meter. In addition, the instrument cluster depicts the displays for the energy flow, the range (with numbers and graphs) and the charge level of the battery.

Audi also uses the latest technology from consumer electronics in the area of infotainment. Its main element is the second-generation modular infotainment platform, which utilizes the enormous computing power of the Tegra 30 graphics chip from NVIDIA. Operation is by voice, with the multifunction steering wheel or with the completely newly developed MMI terminal, the MMI touchpad. On request, Audi will integrate the MMI all-in-touch, the touchpad with haptic feedback.

Audi has added specific items to infotainment for displays in electric mode.

Consumption statistics are available, for example, along with a graphic display of the electric range in the navigation map. Charging as well as the preliminary air conditioning can also be time-controlled and adapted to the customer's requirements, such as departure time, so as to save resources and costs.

The standard Audi connect component links the Q7 e-tron quattro to the internet using the fast LTE standard – another unique selling point of the large SUV. Passengers can surf and email with their mobile devices via the Wi-Fi hotspot, while the driver can make use of numerous new online services and apps in the car. The additional elements are also highly attractive – the Audi tablet, which serves as Rear Seat Entertainment, the 3D sound systems from Bose and Bang & Olufsen and the new Audi phone box that inductively charges mobile phones.

The equipment: typically top of the line

The Audi Q7 e-tron quattro comes with the standard equipment of a top model. Its special features include the Audi virtual cockpit, MMI navigation plus, predictive efficiency assistant and 19-inch wheels. The automatic air conditioning is also a tailored solution. It operates in unison with a heat pump that utilises the waste heat of the electrical drive components for the thermal management. As an important efficiency element, it is another great innovation in the Audi Q7 e-tron quattro, heating up the interior faster at low temperatures, for example, to extend the electric range by up to 20 percent.

The options for the large SUV include a head-up display and a panoramic glass sunroof. If desired, the driver and front passenger can sit on climate-controlled customised contour seats with massage function.

The new Audi Q7 e-tron quattro also sets standards in assistance systems. New, for example, are collision avoidance assist, turn assist, cross-traffic assist and trailer assist. The adaptive cruise control including traffic jam assist takes over the steering from the driver on well-paved roads at speeds of up to 40 mph if the traffic is slow-moving. In combination with the predictive efficiency assistant, speed is automatically adjusted when entering built-up areas and to observe speed limits as well as on bends and at junctions, once again using the coasting mode.

Topics: audi, audi q7, e-tron, suv

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