• Fuel economy of 20-mpg city and 28-mpg highway
  • Turbodiesel V6 and standard 8-speed automatic transmission
  • Massive torque ideal for towing

Although the Cayenne Diesel has been available in Europe since 2009, the Porsche SUV's arrival at the New York Auto Show marks the company's first introduction of a diesel-powered automobile for the US. With a robust turbocharged V6, the Cayenne Diesel offers better fuel economy than its gasoline-powered stable mates and includes a standard automatic transmission, an option on the base Cayenne.

The Cayenne Diesel's EPA fuel economy rating of 20 mpg city and 28 mpg highway beats the gasoline Cayenne handily. It's rated at just 15 mpg city and 22 mpg highway. The efficiency also means the diesel has a range of up to 740 miles, making it an ideal interstate cruiser.

The 3-liter V6 produces 240 horsepower and a brawny 406 lb-ft torque, so the diesel may also be the best Cayenne for hauling a trailer. An 8-speed Tiptronic S transmission is standard, as is permanent all-wheel drive. Given that it's a Porsche, performance is acceptable but not outstanding. The Cayenne Diesel does 0-60 mph in 7.2 seconds and has a top speed of 135 mph.

A few minor interior changes for the 2013 Cayenne lineup appear on the diesel, including a new analog clock and central locking buttons.

Porsche is also now offering its European delivery program at no extra charge. This affords an opportunity to pick up the Cayenne Diesel at one of two Porsche plants in Germany and even to experience a special off-road driving course. Customers can then road trip in their new vehicle through Europe, where Cayenne Diesel drivers will enjoy the fuel's price advantage over gasoline. Porsche handles shipping customers' vehicles across the Atlantic at trip's end.

Pricing for the Cayenne Diesel is set at $55,750, not including a $975 destination charge. That's a $6900 premium over the base Cayenne, which is equipped with a standard 6-speed manual transmission. The Cayenne Diesel will arrive in Porsche showrooms in September.

What it means to you: Arriving in September, the Cayenne Diesel offers superior fuel economy and torque compared with its gas-powered sibling. Pricing is a bit higher, but an 8-speed automatic is standard.

Check out more news from the New York Auto Show.

author photo

Nick Palermo is an automotive writer and lifelong car nut. He follows new and late-model used vehicles for AutoTrader.com, writes about vintage cars for Hemmings Classic Wheels and blogs on all things automotive at LivingVroom. He lives in Atlanta with his wife and twins.

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