Gumpert Tornante by Touring announced for 2011 Geneva Motor Show

Article by Christian Andrei, on January 26, 2011

At the upcoming Geneva Motor Show, German supercar maker Gumpert will debut the Tornante beside the existing Apollo Sport hypercar. The Gumpert Tornante, a two-seater touring superleggera, is based on a new central engine chassis and V8-powered driveline. Gumpert said that the new hypercar will open a “new class of automobiles born for the extremely dynamic and fast voyage, the Fast Tourers.”

The full details are not yet available but reportedly, the Gumpert Tornante features the original Superleggera construction principle: composite body panels on a space frame with carbon fiber monocoque.

Gumpert has set new benchmarks for driving dynamics of street legal cars with the apollo but Gumpert has requested the Milanese designer to include space, elegance and comfort to their typical sheer performance attitude. Gumpert claims that the product boasts a combination of “very Italian sporty elegance and German high-end engineering.”

A new world record was famously set by the apollo model in 2009. It was the fastest street legal car to lap the Nurburgring track, with a time of 7:11.57 minutes on the Nordschleife. However, this record was later broken by the Radical SR8LM. The Gumpert brand is symbolized by the griffin (a mythological creature that is half lion, half eagle) which epitomizes strength and speed, as well as earth and air.

Powering the Gumpert Tornante is the same V8 biturbo engine that powered the Gumpert Apollo. This V8 biturbo engine weighs just 196 kg, helping ensure the ideal weight and the outstanding driving dynamics of the Tornante. With an angle of 90 degrees between the two cylinder banks, this engine is certainly a classic 8-cylinder engine.

Fascinatingly, this engine began from the pure block from Audi, making it a complete in-house development. This means that the manufacturing process for the engine involved moving parts, turbo chargers, air and fuel management, dry sump lubrication and charged air duct.

The base variant of this V8 engine could provide up to 700 HP. However, the V8 will be optimized for the Fast Touring mission to make the vehicle more comfortable and more suitable for day-to-day use. In fact, a Gumpert Tornate with an alternative powertrain is being eyed for 2012.

This engine is mated to a fully synchronized automatic six-speed TT40e transmission sending power to the rear wheels. Its gears are arranged in a longitudinal direction in the path of travel, thereby ensuring a low center of gravity and optimal weight distribution.

This TT40e transmission of the Apollo -- which has an "e" that stands for electronic gear system – features extremely short gearshifts of up to 40 milliseconds (torque-to-torque). Moreover, rocker switches on the steering wheel allow for faster gear changes.

This Formula 1-type technology offers optimal comfort in consonance with best driving performance. Moreover, the Tornante also has a highly sensitive built-in suspension and maximized power from its double transverse control arm pushrod configuration both at the front and rear.

Thanks to the double wishbone system, there exists an optimal contact between the tires and the road surface. In addition, thanks to the suspension elements that are connected to the main frame, responsive reaction and precise handling have been guaranteed.

Press Release

Gumpert Tornante by Touring

Touring Superleggera and Gumpert have chosen the 2011 Geneva Motor Show stage for the world premiere of the Gumpert Tornante. Touring Superleggera provided the design and body engineering while Gumpert will take care of manufacturing and sales of the next model, complementing the Gumpert range as of 2012. The Tornante is showcased at the stage of 1:1 static style model in the best Italian tradition.

Gumpert have gained a reputation for their impressive street legal racing cars. They addressed Touring Superleggera with a call for elegance, more passengers and luggage space, improved comfort, access and ventilation, and noise reduction. However, the fundamentals of performance and dynamic properties had to be respected without compromise.

At Touring, designers and body engineers started then a process of creative elimination to define the true essentials of all the parameters involved, limiting unnecessary weight and volume. The result is still a thoroughbred, just a few grades more civilized, with some extra skills for an enjoyable voyage. It is called a Fast Tourer. However, let there be no misunderstanding about its intentions.

When selecting the partner for the new model's body design, Gumpert recognised that elegance is part of the genetic code of Touring Superleggera's creations. Even more remarkably, the paradigm of elegance was applied by Touring to the race cars too. This distinctive approach was at the basis of many masterpieces, like the 1940 Mille Miglia winner BMW 328 Berlinetta, the Ferrari 166 and 340 and the inspiring Alfa Romeo 8C2900. They all were redoubtable race machines with singular grace.

In turn, Touring was intrigued by the challenge from the young, vital and ambitious sports car manufacturer, known for uncompromised orientation to efficiency, high quality engineering and the constant quest for better performance. In the development work, the teams from the two companies discovered soon that they share the same respect for efficiency and essentiality. This facilitated the subsequent stages of engineering and feasibility study, and the merger of body and chassis required only minor adjustments from both sides.

The space frame chassis is a derivative of the apollo and features the same central engine layout. However, the requirements of accessibility and inner space have dictated a number of important changes to the rolling chassis:

the lateral member of the chassis is lowered by 80 mm in the door area
the A pillar and the windshield are rotated vertically by 2.5°
the B pillar is moved backwards with 100 mm allowing for 1120 mm wide gull-wing doors
the H point is displaced by 210 mm in height and 46 mm in length
the overall height is now 1215 mm
Thanks to the thorough frame engineering, the outstanding combination of lightness and torsional stiffness of the original chassis is preserved. The engineers target 100 kg and slightly lower than 40.000 Nm/degree, but the passenger compartment volume is now increased by 25% and the luggage compartment capacity is brought to 200 l.

Other modifications aim at enhanced ride comfort and driveability:

the floor height is increased by 20 mm
the shell seats are fully adjustable, heated, with 4-point belts
the paddle shifters are standard feature
sound and heat insulation material is fitted on the floor and between the cabin and the engine compartment
glasses are double layer for better heat and noise insulation
the ventilation system capacity is improved
A crash box in the front section, adapted from Formula-1 technology, absorbs the impact energy in case of a crash, improving the passive safety. Featuring composite body panels over the light chrome-molybdenum steel space frame with carbon fibre monocoque, the construction principle mirrors the original method patented by Touring in 1936, and authorizes the symmetrical Superleggera badges on the bonnet.

Unlike other Touring creations, the Gumpert Tornante is not rooted into a specific model of the Italian designer's heritage. Aesthetically, the project started from a white sheet of paper, allowing the designer's full and free focus on the challenging package of the rolling chassis and its hard points. The new model should not only offer ample performance and superb dynamic properties and aerodynamics, but also adequate levels of comfort, interior space and ergonomics. The spirit of a true dream car, but with sufficient practical features to become a safe and useable sports car in today's traffic.

The Touring accent of the Gumpert Tornante originates from specific proportions and the balance of muscular elegance and introvert power, rather than formal language. The bodywork preserves its movement even when the car stands still, and when on the move, it expresses unique, elegant fluidness.

The prominent grille within the balanced front wings characterizes the Tornante's front area. The air intakes are pronounced, reflecting the care given to the air intake surface and the overall airflow.

The well-defined waistline reflects the functional separation between the greenhouse and the lower body. The top is a light area offering extended space for driver and passenger, overall visibility and sportive but comfortable 'life on board'. The muscular, though elegant shoulders announce the stunning performance of the power unit. Both the Gumpert Tornante's doors and the boot lid open with gull-wing movement, providing easy access to the interior, the mechanics and the luggage compartment.

From the rear, the low quarter panels outline the powerful curve of the roof. Below the waistline, the very visible air diffuser evokes the research of the maximal downforce.

The overall design breaths superior potential and performance in an elegant and slightly understated way, faithful to the Touring tradition.

The Gumpert Tornante has the genes of the Gumpert apollo and inherits its impressive V8 biturbo engine. Weighing only 196 kg, the engine plays a major role in ensuring the ideal weight and the fascinating driving dynamics of the Tornante. An angle of 90° between the two cylinder banks is a sign of a classic 8-cylinder engine.

Starting from the pure block from Audi, the engine is a complete in-house development. Thus, the manufacturing process contains among others all the moving parts, air and fuel management, turbo chargers, charge air-duct and dry sump lubrication. In the basic version this engine delivers 700 HP. In comparison to the apollo, the configuration will be optimized for the Fast Touring mission. This means more comfort and more suitability for daily use.

Alongside the V8 power unit, an alternative powered Gumpert Tornante is also planned for 2012.

The fully synchronised, automatic six-speed transmission guarantees efficient utilization of the remarkable energy at the back wheels. The arrangement of the gears in a longitudinal direction in the path of travel ensures a very low centre of gravity and optimum weight distribution.

Extremely short gearshifts up to 40 milliseconds (torque-to-torque) are provided by the precise TT40e transmission of the apollo, where "e" stands for electronic gear system. Gear changes are faster thanks to rocker switches on the steering wheel. The Formula 1-type technology promises the ultimate in comfort along with best driving performance.

The apollo derived built-in suspension ideally complements the body's sophisticated aerodynamics. The Tornante owes the finely tuned sensitivity of the suspension system and the optimised exertion of power to its double transverse control arm pushrod configuration at front and rear.

The double wishbones ensure that the tires maintain optimum contact to the road surface, independently of the bound rate of suspension system. As the suspension elements are linked to the main frame, the system ensures a responsive reaction and precise handling.

Made of top-quality and highly stable chrome-molybdenum-steel with an integrated safety cell, the round tube frame is the base and symbolic backbone of the Gumpert Tornante. Providing additional space and comfort for its passengers compared to the apollo, the Tornante will be as safe as its racetrack-dedicated brother is. The Gumpert Tornante succeeds in combining low weight and rigidity with finest driving dynamics and comfortable Fast Touring.

2-seater sports car with a mid-engine arrangement, chrome-molybdenum steel chassis with an integrated safety cell, doors and the boot lid open with gull-wings, carbon body, 100 l stainless steel tank behind the passenger cell with integrated catch tank, long and pushrod-operated double transverse control arm suspension with fully adjustable dampers (front and rear) and anti roll bar in front, ground clearance adjustable between 60 and 140 mm, two circuit ABS brake system with six piston callipers, inside ventilated discs (378 x 32 mm) at front and rear

Dimensions

Length: 4,475 mm
Width: 1,971 mm
Height: 1,215 mm
Wheel base: 2,700 mm
Track

front: 1,648 mm
back: 1,600 mm
Boot volume: ca. 200 l

Weight

Kerb weight (depending on equipment components): 1,300-1,400 kg
V8 cylinder biturbo engine with 90° cylinder angle, closed-deck light metal crankcase, light metal cylinder heads with five valves per cylinder, four overhead camshafts, variable time of ignition (Vario Cam direct) on the intake, hydraulic valve clearance compensation, dry sump lubrication, double-flow exhaust system with 3-way catalytic converter, four Lambda probes for gas mixture and diagnostics, on-board diagnostic system, two Intercoolers, electronic ignition with a rested ignition distribution (eight ignition coils), sequential multipoint fuel injection, electronic accelerator system (drive-by-wire)

Cylinder: 8
Type: 90°-V
Valves per cylinder: 5
Cubic capacity: 4,163 cc
Stroke: 93 mm
Bore: 84,5 mm
Nominal output: 515 kW / 700 HP @ 6,500 rpm
Max. torque: 900 Nm / 663.7 lb ft @ 4,000 rpm
Maximum: 7,400 rpm
Litre performance: 123.7 kw per liter / 168.1 HP per liter
Compression: 9.3
Recommended fuel type: 98 ROZ / 88 MOZ
Emission standard: Euro 5
automatic six-speed gear box TT40e with synchronization and oil cooling, operated with paddle shift controls, twin plate clutch configuration (diameter 240 mm), Torsen differential lock

Wheels

Tires: Michelin Pilot Super Sport
front: 265/35 ZR19
back: 345/30 ZR20
Wheel dimension
front: 10 J
back: 13 J
Wheel rim type: aluminium cast or forged wheels with centre lock

Top speed: >300 km/h (estimated)

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