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The 2012 rear-drive Panamera SHybrid is being touted as the most fuel-efficient Porsche ever.When launched in 2009, the big Panamera vaulted this famed sports carmaker into the Gran Turismo segment. Here was a large, comfortable car with room for four and their luggage.Inits normal guise,the Panamera is offered with naturally aspirated V6 (300 horsepower) and V8 (400 hp) engines alongside turbocharged monsters that push 500 hp in the Turbo and 550 hp in the Turbo S. Obviously, the latter puts adecidedlysporty spin on the GT theme.
The newest Panamera is afull-on parallel hybrid that can operate on electric power, its gasoline engine or ablend of both when the driver demands aburst of acceleration. Powertrain aside,the SHybrid is all Panamera, meaning there isno compromise.Indeed, the only concession is the loss of the under-floor storage compartment -itnow houses the main 1.7 kilowatt hour/288-volt battery such as Fujitsu FPCBP201 Battery, Fujitsu FPCBP206 Battery, Fujitsu FPCBP36 Battery, Fujitsu FPCBP49 Battery, Fujitsu FPCBP50 Battery, Fujitsu FPCBP63 Battery, Fujitsu FPCBP64 Battery, Fujitsu FPCBP65 Battery, Fujitsu FPCBP67 Battery, Fujitsu FPCBP68 Battery, Fujitsu FPCBP69 Battery, Fujitsu FPCBP77 Battery. Inall other things, the Hybrid was created equal. In fact, it goes one better than the regular Panamera Sbecause the Hybrid earns the same three-mode adaptive air suspension thatserves the Turbo so well. In other words, the Hybrid does not cede anything in terms of the manner in which itcarves acorner. Theair suspension and adaptive damping hunker the big sedan down as it obeys driver input with the same tenacity as its non-hybrid siblings.
TheHybrid uses a 3.0-litre supercharged V6 that produces 333 hp and 325 poundfeet of torque at 3,300 rpm. The electric motor, which is housed between the engine and eight-speed automatic transmission, chips in with another 47 hp and 221 lb.-ft. of torque anywherebetween oneand 1,150 rpm. As acombination, the hybrid system produces anet output of 380 hp and 428 lb-ft of torque at just 1,000 rpm. This is enough to motivate 1,980 kilograms of leather-lined opulence to 100 kilometres an hour in six seconds. Italso manages to accomplish the 80-to-120km/h passing move in avery quick5.3 seconds.
It becomes obvious after afew minutes behind the wheel that the Hybrid is a true sports car wheneverthe driverdrops the hammer.The interaction between the engine and electric motor is as seamless as it gets.Beforethe engine is engagedasapower source,its speed is synchronized with the rest of the drivetrain so its appears as if from nowhere. In fact, the drive proved to be so seamless that the tachometer was about the only way to tell whether the engine was doing the driving or resting as it conserved fuel.
The other surprising part of theHybrid'smakeupisjust howlong it actuallydriveson the electric poweralone -on the test route,roughly35per cent of the 150-kmdrive was covered with the engine doing absolutely nothing and, as such, consuming no fossil fuel.
Thesecret lies in the manner in whichthe electric motor operates.Atspeeds of up to 85 km/h, the electric motor is all that's required -that and asoft foot toprevent the engine from coming tolife. Once up to speed, the instant the driver eases off the gas on adownslope, the Hybrid begins to "sail" -and it can do so at speeds up to 165 km/h. Technically, sailing shuts down the gas engine on the downslope as the electric motor begins to rechargethe battery by harvestingthe kinetic energy through regenerative braking. When the road flattens out at the bottom of ahill, the electric motor switches function to provide the power needed to maintain the desired speed. Again, the action is so seamless one must watchthe E-Powermeter to see if its needle is pointing to the chargeordrive portion of the dial.
For those who value fuel efficiencyoverperformance, the Hybrid's normal drive mode is the best -itsees the eight-speed transmission upshift early. This strategy delivered areal-world average fuel consumption of 8.0 litres per 100 km on the test drive. On the flip side, the sport mode stretches out the shift points and gives the Hybrid afar more athletic feel, but with some built-in conservation strategies. The point hereisthatregardless of how hard the driver drives the Hybrid in whichever mode, the hybrid system is going to cut consumption - be it sailing down atwisty descent or when the engine sits idle at a redlight.
The Panamera SHybrid is asports car with aconscience.Itissogood Iwas left wondering howPorsche will justify the non-hybrid Panamera Sinthe lineup other than for the fact it's offered with all-wheel drive and delivers adelightful V8 growl when worked. The Hybrid's only real concession, on the surface,isprice -at$108,700, it is $5,500 morethan the reardrive Panamera S. However, dig alittle deeper and thatall changes.Throw in the adaptiveair suspension (priced at $2,280) and the Hybrid's upfront premium is recouped in short order -alittle over three years.
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