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Thursday, November 18, 2010

Brabus E V12 Coupe, 2010

Brabus E V12 Coupe, 2010


 

At the Geneva Motor Show 2010 the Brabus E V12 Coupe celebrates its world debut as the world's fastest Gran Tourismo. Based on the new Mercedes E-Class Coupe, Brabus builds a luxurious 2+2-seater in small-series production. It is powered by a Brabus SV12 R Biturbo 800 twelve-cylinder displacement engine that produces 800 hp (788 bhp) / 588 kW of power and a peak torque of 1,420 Nm (1,047 lb-ft). Brabus accepted by the German Federal Vehicle Registration Agency (Kraftfahrtbundesamt) as an automobile manufacturer, offers this high-performance automobile capable of reaching speeds in excess of 370 km/h (230 mph) starting at 478,000 Euros MSRP.

Like the fourth-generation Brabus E V12 sedan the new E V12 Coupe is powered by a Brabus SV12 R Biturbo 800 displacement engine. Drawing upon decades of experience in developing and building high-performance vehicles the twelve-cylinder engine was fitted into the engine bay of the two-door E-Class.

The basis for this engine is the twelve-cylinder twin-turbo engine from the latest Mercedes 600 models. Displacement of the engine is increased from 5.5 to 6.3 liters (336 to 384 cu. in.) with the help of a special crankshaft, larger cylinder bore and correspondingly larger pistons. Both three-valve cylinder heads are optimized for mixture flow, and fitted with sport camshafts.

Underneath the custom-made hood with integrated carbon-fiber RAM airbox is space for a completely newly developed air intake system. This twin-turbo system was designed from the ground up for the new E V12 generation. It includes two custom high-performance headers with integrated turbochargers and four water-to-air intercoolers. The stainless-steel high-performance exhaust system with free-flow metal catalysts was also custom-tailored for the confined space under the E-Class Coupe.

In addition, the Brabus engine specialists have developed a precision engine management system that controls injection, ignition and driving dynamics systems. The result is an optimal combination of impressive power yield and eco-friendly emissions that meet strict EURO IV exhaust limits.

The Brabus SV12 R Biturbo 800 engine is lubricated with high-tech motor oil from technology partner ARAL. It produces a rated power output of 800 hp (788 bhp) / 588 kW at 5,500 rpm. The even more impressive peak torque of 1,420 Nm (1,047 lb-ft), available already at a low 2,100 rpm, is limited electronically to 1,100 Nm (811 lb-ft).

Power is transferred to the rear wheels via a reinforced five-speed automatic transmission and a Brabus high-performance limited-slip differential. The Brabus E V12 comes standard with state-of-the-art driving stability programs that can be deactivated at the push of a button.

Performance of the coupe is as exceptional as that of the four-door model: The Brabus E V12 Coupe sprints from 0 - 100 km/h (62 mph) in just 3.7 seconds, to 200 km/h (124 mph) in 9.9 seconds, and reaches 300 km/h (186 mph) after a mere 23.9 seconds. For street-legal use the top speed of the Gran Tourismo is limited electronically to 350 km/h (217 mph). Without the limiter the two-door twelve-cylinder car is capable of speeds in excess of 370 km/h (230 mph).

This extreme performance also places highest demands on the vehicle's aerodynamic properties. The Brabus designers went into the wind tunnel to develop a body conversion kit made from high-strength yet especially lightweight carbon fiber. The kit combines sporty design and aerodynamic efficiency to perfection.

The Brabus front was designed to reduce lift on the front axle and to provide all radiators of the V12 with an optimal supply of cooling air. Air outlets in the sides route the air quickly away from the heat exchangers. Another important design feature was to provide the front brakes with cooling air. Integrated LED daytime running lights further increase active safety.

A wider track means better directional stability at high speeds. Because of that Brabus has developed special carbon-fiber sport fenders with integrated air vents for the front axle. Special carbon-fiber rear fenders add 60 millimeters (2.4 in.) to the width of the coupe on the rear axle. The Brabus E V12 Coupe runs on especially wide wheels fitted with high-performance tires from Pirelli or YOKOHAMA. The 19-inch combination is perfect for the enormous top speed the car is capable of. The wheels are 9.5 inches and 10 inches wide and customers can choose from Brabus Monoblock designs VI, E, Q and S. Tires in size 265/30 ZR 19 are mounted on the front axle. Size 285/30 ZR 19 tires on the rear axle provide optimal traction.

Rocker panels with integrated illuminated Brabus logo and LED entrance lights route the air stream along the sides with minimum turbulence. They also lend the two-door car a longer, sleeker appearance.

The Brabus rear apron with carbon-fiber diffuser features a centrally mounted reflector and custom-tailored cutouts on either side for the Brabus quad sport exhaust system. The Brabus rear spoiler is essential for well-balanced aerodynamics at high speed.

To make the Brabus E V12 Coupe not only a superior road warrior but upon request also an extremely sporty racer on the track the suspension was completely redesigned. The redesign includes special suspension components on front and rear axle that offer a wider range of individual suspension settings.

These measures are complemented by a Brabus coil-over suspension that features a multitude of selectable settings for bound and rebound. The shock absorbers on the front and rear axle feature ten selectable settings for bound and rebound. The ride height has an adjustment range of 35 millimeters (1.4 inches). Sport sway bars can further minimize body roll during fast cornering.

The Brabus high-performance brake system meets the toughest demands, on the road or on the track. The front axle features 12-piston aluminum fixed calipers and vented and grooved steel brake discs measuring 380 x 37 millimeters (15.0 x 1.5 inches). The rear axle stops on six-piston aluminum fixed calipers gripping discs measuring 360 x 28 millimeters (14.2 x 1.1 inches). The Brabus high-performance brake system incorporates all functions of the standard Brake Assist system of the Mercedes E-Class.

The interior combines sporty character with luxurious ambiance. An ergonomically shaped sport steering wheel is part of the equipment list of the Brabus E V12 Coupe as are sport seats upholstered with the finest leather. The seats provide excellent seating comfort and lateral support.

Genuine carbon-fiber trim on dashboard, center console and doors adds further sporty highlights.

Bentley Continental GT Speed, 2008

 

Bentley Continental GT Speed, 2008

The Bentley Continental GT Speed is the most powerful production Bentley ever and the first to top 200mph (322km/h). A potent addition to the company's highly successful Continental series, the GT Speed extends the appeal of the Continental GT coupe to driving enthusiasts who place a high value on outright performance and agile handling.

The exterior style of the new Bentley Continental GT and GT Speed models is defined by a wider, lower air intake and more upright radiator grille that also provide increased airflow to the more powerful GT Speed. Its 600bhp (610PS) W12 engine develops 15 percent more torque and nine percent more power than the standard Continental GT, while engine efficiency is optimised by the use of lower friction, lighter-weight components and a new engine management system. The resultant performance is exceptional, with a top speed of 202mph (326km/h), a zero to 60mph sprint time of just 4.3 seconds (0-100km/h in 4.5s) and effortless overtaking capability.

Complementing the Bentley Continental GT Speed's high performance is its unique chassis tune that delivers tauter handling and improved agility, with new, wider 9.5J 20-inch wheels and bespoke performance tyres as standard fitment. Fade-resistant carbon ceramic brakes are available as an option. Subtle design touches, including a dark-tinted front grille and larger sports tailpipes, reinforce the sporting character of the Bentley Continental GT Speed.

Inspiration for the Bentley Continental GT Speed came from the legendary 'Speed' models that first appeared in 1923. The standard Bentley 3-litre had already established Bentley's engineering superiority in terms of roadholding, handling and braking, but W.O. Bentley, the company's founder, recognised the market potential for a more potent version aimed at the enthusiast driver who demanded superior performance. His response, the 3-litre 'Speed Model', complete with twin SU carburettors and a higher compression ratio engine, became one of the most coveted of all Bentleys.

Both the Bentley Continental GT Speed and the 552bhp (560PS) Continental GT benefit from internal efficiency improvements to deliver reduced fuel consumption and CO2 emissions. The Continental GT remains outstandingly quick - its top speed is unchanged at 198mph (318km/h), with a 0-60mph sprint time of 4.6 seconds (0-100km/h in 4.8s).

The all-wheel drive Bentley Continental GT changed the face of the luxury coupe market and attracted a wider audience to the Bentley marque. It also represented the first step in Bentley's renaissance, positioning the company at the pinnacle of both technology and consumer aspiration. Since its launch, demand for a sportier version of the Continental GT was met by the successful introduction of the 2005 GT Mulliner Driving Specification and the limited edition GT Diamond Series in 2006, to celebrate 60 years of Bentley at Crewe. Now, with the launch of the Bentley Continental GT Speed, customers will enjoy even greater choice. Bentley Chairman and Chief Executive Dr Franz Josef-Paefgen welcomes the expansion of the Continental GT model offering: "The Continental GT is a highly successful, modern-day Bentley icon. The new Bentley Continental GT Speed, with its harder-edged character and sportier driving experience, builds on this success."

Engine enhancements for all Bentley Continental GT models
At the heart of both Bentley Continental GT models is the Bentley 6-litre, twin turbocharged W12 engine, the most compact 12-cylinder engine in production. The 48-valve head employs four camshafts and continually variable valve-timing. Power is transmitted via a ZF six-speed automatic transmission.

A host of engine and transmission enhancements have been introduced on the 552bhp (560PS) Bentley Continental GT to enhance both the refinement and efficiency of this high technology powertrain. These :
    * New crankcase design to reduce internal losses.
    * More efficient catalyst and exhaust system for improved emissions.
    * Lighter weight single chain drive for camshaft.
    * New engine management system and faster response cam sensor.

For the Bentley Continental GT, the engine continues to produce 552bhp (560PS / 412kW) at 6100 rev/min and a maximum torque of 650Nm (479lb ft) from1600 rev/min. The twin, low-inertia turbochargers are a key factor in producing the flat torque curve, characteristic of every Bentley.

A new higher output of the W12 engine is specified for the Bentley Continental GT Speed, sharing engine efficiency improvements with the GT model. New lighter weight con rods enhance engine response, while new pistons, with anodised compression ring grooves, are designed to withstand increased cylinder pressures. Together with a recalibrated version of the new engine management system, the Bentley Continental GT Speed develops nine percent more power than the GT - 600bhp (610PS) at 6000 rev/min. The maximum torque of 750Nm (553lb ft) at 1750 rev/min represents an increase of over 15 percent versus the standard engine. As a result, the Bentley Continental GT Speed becomes the first production Bentley to top 200mph (322km/h), with a V-max of 202mph (326km/h).

The Bentley Continental GT Speed and GT models now produce lower CO2 emissions of 396g/km, down from 410g/km, an improvement of 3.5 percent. Fuel consumption is improved by a similar amount.

Brian Gush, Director, Chassis and Powertrain, says the two new models offer something for every Bentley enthusiast: "The Continental GT will continue to be the benchmark for the luxury coupe class, offering an unrivalled blend of performance and refinement. The new Bentley Continental GT Speed is a true driver's car with immense power and superb handling."

The advanced ZF 6HP26 six-speed automatic gearbox has the ability to lock up its torque converter during normal driving conditions replicating the immediacy of a manual transmission while maintaining the smoothness of an automatic. A manual override function allows clutchless manual changes via the gearlever or steering wheel paddles.

Providing huge levels of grip and stability in all weather conditions, the all-wheel drive system harnesses the prodigious power and torque of both the Bentley Continental GT and GT Speed coupes. The system uses a central Torsen differential and a differential on both the front and rear axles providing a standard 50:50 torque split. This front to rear ratio is variable depending on the available grip and the system can sense slip of less than one percent and react by apportioning the engine's torque to either the front or rear axle.

The advanced electronic stability programme (ESP) has been uprated to ESP 8.1 for both models. The Bentley Continental GT has a new "Sport Traction" mode that moderates ESP intervention at low speeds, providing a greater degree of driver interaction and control. This is particularly beneficial from standing starts, for example when pulling away uphill on low traction surfaces.

The Bentley Continental GT Speed offers a new 'Dynamic Mode' that allows increased wheel slip at higher speeds than the 'Sport Traction' mode on the standard chassis. Torque is reinstated more quickly after the traction control system is triggered, giving the spirited driver a greater sense of control and the ability to exploit the full potential of the new engine.

Highly tuned suspension for outstanding handling

Chassis, suspension and steering modifications for both the Bentley Continental GT and GT Speed models ensure they have the handling to match their formidable powertrains. Both are suspended on double wishbones at the front and a trapezoidal multi-link system at the rear. Much of the suspension is made from lightweight aluminium. The Bentley Continental GT Speed model also benefits from a solid-mounted front subframe, while high-stiffness aluminium front uprights are common to both models. Together with stiffer rear suspension bushes these deliver even sharper handling characteristics. The Bentley Continental GT Speed also features modified front and rear anti-roll bars to minimise understeer and optimise handling balance.

Self-levelling air suspension that constantly monitors and adjusts the ride height and damping according to road conditions is common to both models, although the Bentley Continental GT Speed is engineered to sit 10mm lower at the front and 15mm lower at the rear to improve handling dynamics. Uprated springs and dampers, together with revised software control, further improve the agility and body control of the Bentley Continental GT Speed.

All-new 9.5Jx20-inch alloy wheels with bespoke Pirelli P-Zero tyres have a major effect on the GT Speed's steering and grip levels. The wider wheel and reduced tyre wall profile improve the tyre's lateral stiffness giving noticeably sharper steering response and feel. The new Pirelli performance tyres are developed specifically for the Bentley Continental GT Speed and benefit from a unique construction and rubber compound for enhanced levels of grip.

Both the Bentley Continental GT and GT Speed benefit from changes to the rack and pinion steering. Revisions to the system's hydraulics reduce friction and improve steering feel, while a new version of the speed-sensitive Servotronic system also increases levels of feedback to the driver.

Secondary ride levels - the response of the car to poor road surfaces, pot holes or cats' eyes, for example - have been improved on the 552bhp Bentley Continental GT model with the addition of low friction dampers. And even though the new Bentley Continental GT Speed has stiffer, lowered suspension its ride quality is on a par with the 2007 Bentley Continental GT.

The Bentley Continental GT and GT Speed are both equipped with the largest brakes of any production passenger car on sale today. The ventilated front discs have a 405mm diameter and are 36mm thick. Ventilated discs are also used at the back, with a diameter of 335mm and a thickness of 22mm.

The performance boundaries are further extended by Bentley's optional carbon/silicon carbide brake system. Boasting 420 x 40mm carbon-silicon carbide, cross-drilled front discs and 356 x 28mm rears, with eight-piston callipers, the new brakes are even larger than the standard system. The system provides a 20kg reduction in rotating and unsprung mass, benefiting steering response and handling.

The lightweight, fade-resistant braking system minimises disc distortion under high thermal conditions. Under normal driving conditions the brake discs will last the lifetime of the car. Furthermore, brake pad life is doubled compared with the standard braking system.

Complementing the braking systems of both Bentley Continental GT models are sophisticated safety systems, including Hydraulic Braking Assistance (HBA), anti-lock braking (ABS), drag torque control (MSR) and Electronic Brakeforce Distribution (EBD). The latter monitors the level of grip available to each tyre and apportions braking force accordingly. This not only helps reduce stopping distances but also greatly enhances the control enjoyed by the driver under heavy braking.

Subtle changes to acclaimed coupe design

The Bentley Continental GT Speed is distinguished from the Continental GT by its dark-tinted chrome matrix grille to the main and lower air intakes. Bright chromed grilles may be specified at no extra cost. At the rear, a black lower bumper valance and wider, rifled exhaust tailpipes emphasise the Bentley Continental GT Speed's sporting character, reinforced by new multi-spoke 20-inch sports alloy wheels. As an option, these may be specified with a dark chromed finish.

The Bentley Continental GT Speed's cabin is based on that of the Mulliner Driving Specification (a cost option on the standard GT). It includes a choice of veneers (Burr Walnut, Dark Stained Burr Walnut and Piano Black), Diamond-quilted hide seats with embroidered Bentley emblem, indented hide headlining, a sports alloy gearlever, three-spoke multi-function sports steering wheel, drilled alloy foot-pedals as well as 'Speed' logos to the treadplates.

A range of Mulliner options provide further opportunities for personalisation including fascia panels, header and centre console in bright aluminium or, unique to the Bentley Continental GT Speed, dark tint aluminium (compatible only with Dark Stained Burr Walnut veneer or Piano Black veneer and single tone interior colour scheme). The Bentley Continental GT also benefits from a new Bentley 'B' brake pedal.

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