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Mercedes-Benz unveils its revamped G-Class

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The all-new G-Class makes its public debut at the Detroit auto show in G550 form. Completely redeveloped and fitted with a 4.0-liter V8 biturbo gasoline engine offering 427ps and 450 lb-ft of torque at 2,000rpm to 4,750rpm, despite near-identical looks to its predecessor plenty has changed for the Mercedes-Benz SUV.


Ford’s F150 pickup gets its first diesel motor

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Developed by the powertrain team behind the 6.7-liter Power Stroke engine for super duty trucks, the all-new 3.0-liter V6 Power Stroke unit promises 250ps, 440 lb-ft of torque, and an anticipated 5175kg of towing capacity.


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In light of Fisker's solid-state battery breakthrough and claims of a one minute charge time, will this electric vehicle technology development kick-start mass BEV uptake? 

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Porsche reveals new 911 Turbo and Turbo S

Following the unveiling of Porsche’s new Type 991 generation 911 Turbo and Turbo S, both cars’ technical specifications have also been revealed.
New all-wheel drive running gear with active rear axle steering, adaptive aerodynamics, full-LED headlights and up to 568ps from the flat six-cylinder twin-turbocharged engine are included in the 911 Turbo and Turbo S models. Also, an entirely new, lightweight design chassis with a 100-mm longer wheelbase riding on larger diameter 20-inch wheels feature.
The Porsche Dynamic Chassis Control (PDCC) active anti-roll system, which is offered for the first time on the 911 Turbo models, increases performance potential even more. This system is standard equipment on the 911 Turbo S, together with the Sport Chrono Package Plus incorporating dynamic engine mounts, and Porsche Ceramic Composite Brakes (PCCB). These are also each available on the 911 Turbo.
The performance partners in the powertrain are the further advanced engines and the new Porsche Traction Management (PTM) all-wheel drive system. The turbocharged 3.8-liter flat-six engine with direct gasoline injection produces 527ps in the 911 Turbo, and 568ps in the Turbo S. As such, Porsche remains the only carmaker to offer twin turbochargers with variable turbine geometry on a petrol engine.
Power is transferred to the drivetrain via a seven-speed dual-clutch transmission (PDK), which enables an auto start/stop function with engine shut-off that now activates earlier (when coasting to a halt) as well as the proven coasting function. Together with a new thermal management system for the turbo engine and the PDK transmission, fuel efficiency technologies have reduced NEDC fuel consumption by up to 16% to 29.1 mpg in both models.
For faster and more precise power distribution to the two axles, Porsche has developed a new all-wheel drive system (PTM) with an electronically controlled and activated multi-plate clutch. The system is equipped with a new water-cooling function, so that it can direct even more drive torque to the front wheels if necessary. Simultaneously, the optimized interplay of the engine, transmission and all-wheel drive systems delivers even better sprint capabilities. The 911 Turbo – with the optional Sport Chrono Package Plus – accelerates from 0 to 100km/h in 3.2 seconds, which is one-tenth faster than the time of the prior model 911 Turbo S. Meanwhile, the new 911 Turbo S handles the standard sprint to 100km/h in just 3.1 seconds. The car’s top speed is 317km/h. 

8 May 2013


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