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Aerodynamic performance is critical for reducing fuel consumption and raising efficiency. Audi prototypes spend over 1,000 hours in a wind tunnel with improvements being made so drag can be reduced. Less air resistance also means improved handling, lower CO2 emissions and even improved safety. Improvements such as door mirrors which are aerodynamically shaped so rain is directed away from the side windows for better all-round visibility is another notable product of this extensive development process.

The Audi Q5 has a drag co-efficient of just 0.32.

Article source: www.audi.co.uk

New Saloon, Avant and Coupe variants employ latest Audi ultra efficiency technology to boost economy and trim CO2 to as little as 109g/km

• New ultra versions of A4, A4 Avant and A5 Coupe now available to order priced from £28,320 OTR, £29,620 OTR and £31,120 OTR respectively – first UK deliveries in late April
• New ultra engine linked exclusively to six-speed manual gearbox delivers more torque, EU6 compliance, up to 56.5mpg and CO2 of as little as 109g/km
• Significant BIK benefits for business users, reduced VED rates
• A5 available exclusively in SE form, A4 and A4 Avant also offered with cost-effective SE Technik specification
• A5 Sportback ultra models to follow during 2014

At the pinnacle in terms of efficiency, the range of Audi ultra models which launched in the UK with the A6 last month is quickly expanding to include A4 Saloon and Avant and A5 Coupe variants. With CO2 outputs of as little as 109g/km the three new A4 and A5 TDI ultra models undercut the already impressively low emissions figures achieved by the familiar TDIe versions in each range. They are available to order now priced from £28,320 OTR and will reach their first UK customers in late April.

Although it shares its 163PS output with the more powerful of the two TDIe engines, which until now was reserved for the A5 Coupé, the unit powering the latest ultra models is a completely new development engineered for even leaner burning with no impact on performance. It works with a highly efficient Selective Catalytic Reduction (SCR) system that removes nitrogen oxides from the exhaust and ensures that the new models meet the stringent new Euro 6 emission standards.

Peak power arrives 1,200rpm earlier at 3,000rpm in the new ultra engine, and maximum torque increases from 380Nm to 400Nm and is available over a wider spread from 1,750rpm to 2,750rpm. Acceleration from rest to 62mph in the exclusively six-speed manual-equipped A5 TDI ultra is very slightly improved at 8.3 seconds (previously 8.4), and top speed holds firm at 140mph.

The same performance data also applies to the new A4 2.0 TDI ultra, and both also share identical, and exceptional, economy and emissions figures, with up to 56.5mpg possible according to the combined cycle test, delivered with CO2 emissions of just 109g/km. The A4 Avant is only just behind, with a 0-62mph time of 8.6 seconds, a top speed of 134mph, the potential for up to 55.4mpg and CO2 output of 114g/km.

BIK and VED benefits

The outstanding emissions performance delivered by the three new models has a bearing on their CO2-related Vehicle Excise Duty categorisation, which in the A4 Saloon and A5 Coupe is band B (A5 Coupe TDIe previously band C), and in the A4 Avant is band C. Ultra technology also facilitates exceptionally competitive running costs for business users, with benefit-in-kind liabilities of 16 per cent, 17 per cent and 16 per cent for the A4, A4 Avant and A5 Coupe respectively. If the A5 Coupé 2.0 TDI ultra SE is compared with the outgoing A5 Coupe 2.0 TDIe 163PS SE, the annual liability for a 40 per cent tax payer falls from £2,236 to £1,988.

Ultra badging at the rear discreetly marks out these extraordinarily focused models, which in all other respects closely resemble SE versions of the A4 and A5. A5 ultra Coupe models are available exclusively in SE form, while A4 and A4 Avant versions can also be upgraded to SE Technik specification.

A4 SE equipment includes 17-inch alloy wheels, an Audi Concert CD audio system incorporating DAB digital radio and linked to a 6.5-inch colour monitor, light and rain sensors, rear parking sensors and electronic climate control. A5 SE models also feature Milano leather upholstery.

SE Technik specification for the A4 adds Milano leather upholstery, along with additional features such as hard disk-based MMI Navigation plus, Audi Music Interface (AMI) iPod connection and the Audi Parking System Plus with front and rear sensors.

All A4 and A5 ultra models are equipped as standard with lowered sports suspension to reduce drag and maximise economy, and for the same reason the 18-inch alloy wheels normally included as part of the SE Technik upgrade for A4 models are omitted.

During this year ultra specification will become available for more models in the Audi range, starting with the five-door A5 Sportback.

Article source: www.audi.co.uk

A suspension designed for supreme performance

The RS Q3's RS sports suspension has been designed and configured for agility, confidence and dynamic driving. With its high-performance engine and gearbox combinations, you’ll experience sporty handling combined with very high standards of safety.

The RS sports suspension limits body movement when pulling away, braking and cornering. The result is assured road-holding, more precise steering and an altogether sportier driving experience.

Article source: www.audi.co.uk

Geneva show car based on all-new Audi TT features four-cylinder TFSI engine with exceptional 420PS output.

• Four-cylinder 2.0 TFSI engine with 420PS
• Over 312PS per ton, 0-62mph in 3.7 seconds
• Prof. Dr. Ulrich Hackenberg: “An extreme driving machine for the motorsports enthusiasts among our customers”

The scope for taking the power and performance of the Audi TT Coupé to unprecedented extremes has been explored in the TT quattro sport concept, a stunning 420PS show car based on the all-new TT which made its world debut this week at the Geneva Motor Show.

“With our Audi TT quattro sport concept show car, we wanted to demonstrate what the new TT’s technology can do if you take it a step further,” explains Prof. Dr. Ulrich Hackenberg, Board Member for Technical Development. “This car is designed for racing – an extreme driving machine for the motorsports enthusiasts among our customers.”

Powertrain

The four-cylinder, 2.0-litre TFSI engine in the Audi TT quattro sport concept makes a powerful statement. Delivering 420PS at 6,700 rpm, it establishes a new benchmark in the 2.0-litre category. Its specific output is 210PS per litre of displacement – more than 2001’s victorious Le Mans R18 racing car, which combined turbocharging with FSI direct injection for the first time in an Audi petrol engine. It also makes a maximum of 450 Nm of torque (331.90 lb-ft) available from 2,400 to 6,300 rpm, and even at just 1,900rpm is still able to deliver over 300Nm (221.27 lb-ft).

Tipping the scales at a relatively featherweight 1,344 kilograms, helped by paring back interior trim and equipment, and by the production car’s advanced Audi Space Frame construction and extensive aluminium panel content, the Audi TT quattro sport concept achieves an exceptional power-to-weight ratio of 312.5PS per ton. As a result, the four-cylinder engine can catapult it from 0 to 62mph in just 3.7 seconds.

Head of Powertrain Development Dr. Stefan Knirsch: “This high-performance power unit is an impressive demonstration of the power reserves available in our EA888 engine range. This power unit has received numerous awards all over the world and it already lives up to its claim in many Audi sporty models. In the TT quattro sport concept, it demonstrates its full power potential. The thirty-five years of experience we’ve gained in the field of turbocharging are manifested in this engine’s unique combination of maximum performance, dynamism, and fuel efficiency.”

The high-performance engine benefits from the successful EA888 technologies such as the Audi valvelift system (AVS) variable valve timing, dual camshaft adjustment, and dual injection system (FSI plus MPI). A wide range of modifications are featured, including special aluminium pistons with integrated cooling channels and an ultra-high-strength forged steel crankshaft.

The cylinder head has been further developed to enable it to contend with the higher loads and increased gas throughput, and the familiar, highly compact thin-wall cylinder crankcase has been strengthened in view of the higher power output through the use of a high-strength cast alloy. The exhaust-gas turbocharger is also a new development incorporating optimized mixed-flow technology, and produces up to 1.8 bar of charge pressure.

When driving, the four-cylinder unit’s reactions are breathtaking. The turbocharged direct-injection engine responds immediately to the throttle and revs eagerly right up to the fuel cut-off at 7,200 rpm. It transfers its torque to a compact, three-shaft S tronic dual-clutch transmission which shifts gears in split-seconds, adding its share to the show car’s impressive acceleration.

The permanent quattro all-wheel drive system oversees the smooth transfer of power to the road. Its hydraulically actuated, electronically controlled multi-disk clutch is located on the rear axle for optimum weight distribution, and can actively redistribute drive torque between the axles in milliseconds.

Article source: www.audi.co.uk