If somebody predicted Porsche might be among the brands leading the charge on plug-in hybrids back when Chevrolet launched the Volt in 2010-just as Porsche was debuting its first-ever production hybrid using the Cayenne-that person should be dealing futures on Wall Street. By replacing that SUV with this 2015 Cayenne S E-Hybrid plug-in, Porsche now has three plug-ins, greater than any other car maker. Obviously, one of those three is the 918 Spyder, which isn’t exactly mainstream production. But still.
To get the Cayenne to plug-in status, Porsche basically grafted in the Panamera E-Hybrid’s high-voltage battery, electric motor, and power electronics, upping the lithium-ion battery power to 10.8 kWh with the sedan’s 9.4. Otherwise, the powertrain is identical, with the Audi-sourced supercharged 3.0-liter V-6 on the Aisin eight-speed automatic. Torque is routed to all four wheels via a limited-slip center differential using a rear-biased (58-percent) torque distribution.
The residual car is similar for the currently revamped Cayenne, with a few exceptions. The 282-pound battery, consisting of 104 individual cells, consumes the space normally available to a spare tire. Versus other Cayennes, the $77,395 E-Hybrid has two additional buttons on its center console. Selecting “E-Charge” prioritizes replenishing a depleted battery so future electric driving is achievable. This increases fuel consumption by about 20 percent, in line with Porsche. In “E-Power” mode, though, the Cayenne moves solely in the single electric motor at speeds up to 78 mph. This ability is largely aimed at European markets, where it enables buyers to prevent congestion fees in specific cities. Americans can use this silent-running mode to sneak up on friends or, at the minimum, valets.
Every time a Cayenne starts, it’s in E-Power mode by standard, assuming there's enough juice within the battery. Porsche claims that charging with a 240-volt hookup takes about three-and-a-half hours with the standard 3.6-kW charger; an optional 7.2-kW unit may cut that to 90 minutes if you've got access to a high-voltage feed.
Driving in a city makes it difficult to desire more power compared to electric motor manufactures. Maximum acceleration along with 416 gas-and-electric horses should return a zero-to-60-mph sprint well below six seconds, and a quarter-mile will pass in just over 14 ticks, based on Porsche. No too shabby for any two-and-a-half ton ute.
Additional info about: Current 2015 Porsche Cayenne Review Facts Report
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