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Capable of rocketing to 62mph from rest in just 3.4 seconds before topping out at 198mph, the Audi R8 LMX is the most powerful R8 we've ever produced.

The Audi R8 LMX is based on the acclaimed V10 plus model with its high-revving, mid mounted ten-cylinder engine, double wishbone suspension and ASF (Audi Space Frame) aluminium body.

A compact, seven speed S tronic transmission transfers the power to the quattro permanent all wheel drive system, which distributes it judiciously to racing-inspired 19 inch, 20-spoke wheels.

Article source: www.audi.co.uk

The design of the new Audi TT went back to the drawing board...and stayed there. Many features of the third-generation TT are reminiscent of the first-generation, while its front and rear overhangs exactly match those of that first TT, emphasising its instantly recognisable body shape.

Article source: www.audi.co.uk

• Expertise in fuel cell technology – A7 Sportback h-tron quattro technology demonstrator ready for real-life traffic
• Long range – more than 300 miles
• Plug-in hybrid concept with electric quattro

Ingolstadt/Los Angeles, November 19, 2014 - It covers 310 miles on one tank of fuel – and its exhaust emits nothing more than a few drops of water: The A7 Sportback h tron quattro uses a powerful electric drive with a fuel cell as its energy source, in combination with a hybrid battery and an additional electric motor in the rear. Its drive configuration makes the emission-free Audi A7 Sportback h-tron quattro a quattro through and through, with 170 kilowatts of power at its disposal – a new departure in fuel cell cars. There is no mechanical connection between the front and rear axles. As an e quattro, the A7 Sportback h-tron quattro features fully electronic management of torque distribution.

“The A7 Sportback h‑tron quattro is a genuine Audi – at once sporty and efficient. Conceived as an e‑quattro, its two electric motors drive all four wheels,” explained Prof. Dr. Ulrich Hackenberg, Member of the Board of Management for Technical Development at Audi. “The h‑tron concept car shows that we have mastered fuel cell technology. We are in a position to launch the production process as soon as the market and infrastructure are ready.”

The “h” in the name h‑tron denotes the chemical element hydrogen. In visual terms the technology demonstrators that Audi has brought along to the Los Angeles Auto Show basically resemble the production models. As the label with the h‑tron signet reveals, this concept car now takes its place alongside the other Audi models with alternative drive principles, the e‑tron and g‑tron. Externally, there is no other evidence of the fuel cell that converts hydrogen into electrical power on board the vehicle.

The fuel cell

The crucial differences are beneath the bonnet of the A7 Sportback: The fuel cell in the Audi technology demonstrator is installed at the front, mirroring the conventional A7 Sportback with combustion engine. Because the exhaust system only has to handle water vapour, it is made of weight‑saving plastic.

The fuel cell itself comprises over 300 individual cells that together form a stack. The core of each of these individual cells is a polymer membrane. There is a platinum-based catalyst on both sides of the membrane.

This is how the fuel cell works: Hydrogen is supplied to the anode, where it is broken down into protons and electrons. The protons migrate through the membrane to the cathode, where they react with the oxygen present in air to form water vapour. Meanwhile, outside the stack the electrons supply the electrical power – depending on load point, the individual cell voltage is 0.6 to 0.8 volts.

The entire fuel cell operates in the voltage range of 230 to 360 volts.

The main auxiliary assemblies include

• a turbocharger that forces the air into the cells
• the so-called recirculation fan – it returns unused hydrogen to the anode, thus increasing efficiency, and
• a coolant pump.

These components have a high-voltage electric drive and are powered by the fuel cell.

There is a separate cooling circuit for the essential cooling of the fuel cell. A heat exchanger and a thermoelectric, self-regulating auxiliary heating element maintain pleasant temperatures in the cabin.

The fuel cell, which operates across a temperature range of 80 degrees Celsius, places higher demands on the vehicle cooling than an equivalent combustion engine but achieves superior efficiency of as high as 60 percent – almost double that of a conventional combustion engine. Its cold-starting performance is guaranteed down to -28 degrees Celsius.

Plug-in hybrid

A special feature of the A7 Sportback h‑tron quattro is its plug‑in hybrid concept – this represents a logical evolution from the Audi A2 H2 and Q5 HFC test cars. It has a lithium‑ion battery on board that can be recharged from the power socket by lead; with an 8.8 kWh energy capacity, it has been adopted from the A3 Sportback e‑tron*. It is located beneath the boot and has a separate cooling circuit for thermal management.

This high‑performance battery makes the ideal partner to the fuel cell. It can store energy recovered from brake applications and supply considerable power for full‑load boosting. This paves the way for impressive acceleration, making the A7 Sportback h‑tron quattro truly live up to quattro standards. Both the front and rear axles have no mechanical connections for the transmission of power. In the event of slip, the torque for both driven axles can be controlled electronically and adjusted continuously.

On battery power, the Audi A7 Sportback h‑tron quattro covers as much as 31 miles. The battery in the rear of the plug‑in hybrid can be recharged by lead. Depending on the voltage and current rating, a full recharge takes between two hours (industrial power socket/360 volts) and four hours (domestic power socket at 230 volts).

The battery operates at a different voltage level to the fuel cell. For that reason, there is a DC converter (DC/AC) between the two components. This tri‑port converter is located behind the stack. In many operating statuses it equalises the voltage, enabling the electric motors to operate at their maximum efficiency of 95 percent.

The power electronics in the front and rear of the vehicle convert the direct current from the fuel cell and battery into alternating current for the electric motors to drive the front and rear axles separately.

The two electric motors, which are cooled by a low-temperature circuit together with the voltage converters, are permanently excited synchronous machines. Each of them has an output of 85 kW, or even 114 kW if the voltage is temporarily raised. The peak torque is 270 Newtonmeters (199.1 lb‑ft) per electric motor.

The electric motors’ housings incorporate planetary gear trains with a single transmission ratio of 7.6:1. A mechanical parking lock and a differential function round off the system.

The appeal of e-quattro

Driving in the Audi A7 Sportback h‑tron quattro offers the full appeal of electric drive in conjunction with the new e‑quattro. The silent propulsion is fully available from the off, and the fuel cell reaches its maximum output within one second at full load – a more dynamic response than a combustion engine because the entire drive system involves only a few mechanical components.

With 540 Nm (398.3 lb‑ft) of propulsive power at its disposal the Audi A7 Sportback h‑tron quattro, which tips the scales at only around 1,950 kilograms, races from a standstill to 62 mph in 7.9 seconds. Its top speed is  111 mph – a top figure for its field of competitors. The e‑quattro concept requires precise coordination of the electric motors – the technology demonstrator offers a dynamic, stable and high-traction drive that is comparable to a production car with mechanical quattro drive.

A power meter – in the place of the revolution counter in the instrument cluster – informs the driver of the momentary power flow. The outer sections show the fuel level in the hydrogen tank and the level of battery charge. Graphics on the MMI monitor visualise the energy flow. When the driver presses the EV button, the technology demonstrator drives solely on battery power.

Switching from automatic transmission mode D to S increases the level of energy recovery when braking, so that the battery is charged up effectively during sporty driving. Brake applications, too, are almost always accomplished fully electrically: The electric motors then act as alternators and convert the car’s kinetic energy into electrical energy that is stored in the battery. The four disc brakes only become involved if more forceful or emergency braking is required.

The tank flap is in the right side section of the five-door coupé, concealing a filler connector for the hydrogen. Fully refueling with H₂takes around three minutes, roughly as the same as a conventional automobile. The tanks communicate with the refuelling system by infrared interface and equalise the pressure and temperature levels.

Zero emissions

The four hydrogen tanks of the Audi A7 Sportback h‑tron quattro are located beneath the base of the boot, in front of the rear axle, in the centre tunnel. An outer skin made from carbon fibre reinforced polymer (CFRP) encases the inner aluminium shell. The tanks can store around five kilograms of hydrogen at a pressure of 700 bar – enough to drive for around 310 miles. According to the NEDC cycle, fuel consumption is roughly one kilogram of hydrogen per 100 kilometers – an amount with an energy content equivalent to 76.4mpg combined.

It is already the case that the A7 Sportback h‑tron quattro always travels with zero local emissions. By using the renewable fuel hydrogen, it can also be used globally as a zero emissions vehicle: Since 2013 Audi has been operating a pilot plant in which renewable wind power is used to produce hydrogen by electrolysis. At present, this hydrogen is still used in an additional production process to obtain synthetic methane (Audi e‑gas). A future move to feed this hydrogen into a hydrogen supply and filling station network would make it available for refueling fuel-cell vehicles. This is a sound option for sustainable mobility with no emissions.

Article source: www.audi.co.uk

Latest incarnation of Audi compact SUV features an even sharper new look, more equipment and a more efficient EU6-compliant engine range

• New Q3 range available to order this month priced from £25,340 OTR to £30,820 OTR – first UK deliveries in spring 2015
• RS Q3 with 30PS power boost to 340PS available from January 2015, price TBC – first deliveries expected next spring
• Styling enhancements inside and out, increased equipment levels – Xenon or all-weather LED headlamps as standard depending on version
• New or updated engine range now including 1.4 TFSI CoD - fuel economy improvements of up to 13 per cent and power increases of up to 10PS

Styling, safety, efficiency, equipment and power were all on the agenda for the team given the tough task of reworking the already highly successful Audi Q3, and the fruit of their labour is due to open for order in the UK later this month priced from £25,340 OTR. The further improved RS Q3 flagship, the output of which the team has boosted by an additional 30PS to give a total of 340PS, will become available in January 2015 and, like its ‘standard’ counterparts, is expected to reach its first UK customers next spring.

Whether in SE, S line or top flight S line plus specification, the premium character of the redesigned Audi Q3 is apparent at first glance. The design with its coupe‑like lines and characteristic wrap-around tailgate has been lifted further by a striking new 3D effect Singleframe grille, revised bumpers and new look alloy wheels. The full body-colour paint finish which was previously standard for S line versions and above also now extends to SE models.

The revised headlights now feature xenon bulbs and LED daytime running lights as standard in SE versions, and these are complemented at the rear by reworked LED tail lights. S line and S line plus specification levels upgrade to all-weather LED headlights and dynamic ‘scrolling’ rear indicators which illuminate sequentially within two-tenths of a second from the inside out in the direction the driver intends to turn.

Under the skin, the two TDI clean diesel and three TFSI engines at the heart of the first wave of new Q3 models not only boast higher power outputs and improved fuel economy, but also CO₂ reductions of as much as 17 per cent and compliance with EU6 emissions regulations.

New Cylinder-on-Demand unit

A new star in this line-up is the 1.4-litre TFSI petrol engine with Cylinder-on-Demand technology which appeared first in the A1 and A3 ranges and makes its Q3 debut here. With 150PS and the option of either manual or S tronic twin-clutch automatic transmission, it gives the exclusively front-wheel-driven Q3 1.4 TFSI a 0-62mph sprint time of as little as 8.9 seconds (S tronic) and yet also enables it to return up to 50.4mpg (manual) based on the combined cycle test. Above it in the petrol line-up is a 2.0-litre TFSI unit with power increased from 170PS in the outgoing Q3 to 180PS, which can be linked to either manual or S tronic transmission and is allied to quattro all-wheel-drive without exception.

The third petrol unit – a sonorous 2.5-litre five-cylinder TFSI - is reserved for the RS Q3, and its 30PS power upgrade to 340PS helps to drop its sprint time from 5.2 to 4.8 seconds. Economy nevertheless remains impressive considering the performance potential - up to 32.8mpg is achievable according to the official tests.

Forming the diesel contingent are two four-cylinder TDIs with outputs of 150PS, up from 140PS in the equivalent previous generation Q3, and 184PS, up from 177PS. The 2.0-litre TDI SE with 150PS, manual transmission and 17-inch alloy wheels is the efficiency standard bearer in the TDI camp. It benefits from a boost of over 7mpg compared with the outgoing 140PS unit and shaves 18g/km from its CO2 total to give economy potential of up to 61.4mpg and emissions of just 119g/km. The comparable S line version with its 18-inch alloy wheels is only just behind at 60.1mpg and 122g/km, and both also record 0-62mph times that are 0.3 seconds quicker than their predecessor at 9.6 seconds.

The 2.0-litre 150PS TDI engine can work with either manual or S tronic transmission and can channel its output through either the front wheels only or through all four with the help of the quattro system. The 184PS version also offers two transmission options, but deploys its heightened power and torque solely via quattro drive.

Audi drive select now standard

The chassis of the redesigned Audi Q3 combines agile handling with supreme safety, and further fine-tuning for the latest versions has enhanced comfort even further. The Audi drive select adaptive dynamics system which was previously offered at extra cost is now fitted as standard, and enables the driver to adjust key technology modules, including the optional damper control system, to suit his or her personal preferences.

Up to five adults can enjoy the more refined ride of the latest Q3, those in the front from the comfort of sports seats with four-way electric lumbar support which are new to SE versions and also standard for S line and S line plus models. A new three-spoke multifunction steering wheel and additional aluminium effect detailing also freshen the ambiance. In S line versions and above, powered tailgate operation enhances the already comprehensive specification, and gives access to an impressive luggage capacity of up to 420 litres with seats up and 1,325 litres with seats folded. A new retractable luggage cover is also now installed to conceal personal belongings.

Features common to all versions include dual-zone climate control, a Concert audio system with 6.5-inch manually retractable colour display screen, Bluetooth interface, Audi Music Interface iPod connection and light and rain sensors. Navigation preparation, enabling customers to ‘activate’ navigation retrospectively by purchasing an SD card if required, is standard for SE and S line models, while S line plus specification comes ready prepared with SD-based navigation as standard.

In addition to its LED headlights, new five-spoke design 18-inch alloy wheels and exterior and interior styling enhancements, the S line upgrade also includes cloth and leather combination upholstery for the sports seats and the option to specify S line sports suspension in place of the standard set-up at no cost.

Even more distinctive - S line Plus specification

To this comprehensive list of features, S line plus specification adds larger 19-inch alloy wheels, privacy glass and standard metallic paint externally, and on the inside SD card-based navigation, perforated leather and Alcantara combination upholstery, cruise control and the Audi parking system plus with acoustic and visual guidance.

Customers can also choose from a wide variety of safety and comfort-enhancing options. With Audi side assist, a yellow LED indicator illuminates in the housing of the outside mirror if another vehicle is in the blind spot or is approaching rapidly from the rear. Audi active lane assist works with video cameras that detect the lane markings. It gently intervenes in the steering to help the driver return to the lane if he or she strays too close to a white line without indicating. The camera-based traffic sign recognition system shows speed limit signs – and now also no overtaking signs – as graphics in the driver information system display.

The technology package incorporating MMI navigation plus with its hard disc-based mapping and a colour Driver’s Information System is the high‑end infotainment solution from Audi, and can be complemented by Audi connect, which connects the Audi Q3 to the Internet. Passengers can use the integrated WiFi hotspot to surf or e‑mail, while the driver can enjoy the tailored services such as the web radio Audi music stream, online traffic information, and navigation with Google Earth and Google Street View.

4.8 seconds from 0 to 62mph: the Audi RS Q3

Updated in line with the rest of the range, the RS Q3 compact performance SUV is now more purposeful than ever. Its 2.5-litre, five‑cylinder engine now produces 340PS and 450 Nm (331.9 lb‑ft) of torque. It also now satisfies the Euro 6 standard. The top model in the series now accelerates from 0 to 62mph in 4.8 seconds on its way to an electronically governed top speed of 155mph. An RS exhaust system with a switchable flap adds even more volume to the unmistakable sound of the five‑cylinder engine.

The standard seven‑speed S tronic transmission, which transfers the power to the quattro drivetrain via a new hydraulic multi‑plate clutch (fifth generation), has also been refined for even faster gear changes. The lower gears are closely spaced in the interest of strong acceleration, while the seventh gear is tall to optimise economy.

RS sports suspension is standard, and can be supplemented by optional electronically controlled damping adjustable via Audi drive select, and thanks to their wave design the large brake discs gripped by eight-piston calipers on the front axle are now one kilogram lighter.

Numerous design details illustrate the special status of the first ever Audi SUV to wear the RS badge. As well as the sizeable wheels, which as standard in the UK measure 20 inches in diameter, the Audi RS Q3 also demonstrates its special status within the Q3 line-up with RS-specific body detailing, including a high-gloss black honeycomb front grille and RS bumpers, a special front treatment including a quattro emblem in the air intake and a distinctive rear diffuser insert flanked by a large elliptical tailpipe. A roof spoiler, roof rails in matt aluminium and special door sill plates and door trim strips also add emphasis.

Inside, sports seats upholstered in Fine Nappa leather with contrast stitching, red needles sweeping across grey dials in the instrument cluster and a Driver’s Information System offering a special RS menu with lap timer, oil temperature and boost pressure displays set the tone.

Pricing and full specification for the new Audi RS Q3 will be confirmed nearer to its January 2015 UK launch date.

Article source: www.audi.co.uk