Nissan has introduced the Frontier Diesel Runner concept at the Chicago Auto Show.

Designed to "gauge consumer interest in a next-generation Frontier with a Cummins diesel engine," the concept is based on the Frontier Desert Runner 4x2 and features an aggressive exterior with a mesh grille, a roof rack and an aerodynamic tonneau cover. The model has also been equipped with a transparent hood, a carbon fiber engine cover and 16-inch alloy wheels with off-road tires.

The two-tone interior comes nicely equipped with leather seats, carbon fiber trim and grey accent stitching. There's also an instrument pod that provides diesel-specific information.

Power is provided by a 2.8-liter Cummins turbodiesel four-cylinder engine that produces approximately 200 bhp (149 kW) and more than 350 lb-ft (474 Nm) of torque. It is connected to an eight-speed automatic transmission which enables the truck to be 35 percent more fuel efficient than a standard model with a 4.0-liter V6 petrol engine.

Gallery: Nissan Frontier Diesel Runner concept bows in Chicago

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