2016 Chevy Colorado Duramax makes 369 lb-ft for $3,730 premium

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Since announcing the new Chevrolet Colorado in late 2013, there has been absolutely no secret that the 2.8-liter Duramax diesel would wind up under the hood of the midsize pickup truck for the 2016 model year. It has been a long wait for those wanting the oil-burner, but thankfully, the anticipation is nearly at an end. Chevy is finally officially unleashing details about the four-cylinder, which churns out 181 horsepower and 369 pound-feet of torque.

The diesel is available in both LT and Z71 Crew Cab trims, and there's the choice of two- or four-wheel drive. All come with a six-speed automatic gearbox with a standard automatic-locking rear differential. An electronically controlled two-speed transfer case comes on four-wheel drive models, as well. The Z82 trailering package also arrives on all of the Duramax pickups and includes an exclusive integrated trailer brake controller. The first shipment of diesels arrives at dealers this fall with a price of $3,730 on top of a comparably equipped version with the 3.6-liter V6.

Customers opting for the Duramax are getting more capability from the Colorado. With a 7,700-pound tow rating on two-wheel drive examples (7,600 pounds with four-wheel drive), drivers can haul 600-700 pounds more behind the truck than its petrol V6 counterpart. Fuel economy numbers haven't been announced yet, but are expected to top the gasoline versions. The engine is also B20 bio-diesel compatible.

Beyond being just a good hauler, Chevy is throwing cutting-edge tech into these models. For example, this is the company's first application of a Centrifugal Pendulum Vibration Absorber on the transmission's torque converter. The device is a dampener that cancels out torsional vibration from the engine for a more comfortable ride for occupants. There's also a driver selectable exhaust brake system that uses engine compression to help slow down the truck and reduce brake wear. You can read more about the nuts and bolts of the diesel in Chevy's press release below.
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Chevrolet Introduces Colorado Duramax Diesel

All-new turbo-diesel expands lineup with unparalleled capability, efficiency

DETROIT – The fastest-selling truck in the market now offers an available turbo-diesel engine. The 2016 Chevrolet Colorado Duramax diesel takes midsize truck capability and efficiency to unprecedented levels.

With 369 lb-ft of torque (500 Nm) generated by its all-new 2.8L Duramax turbo-diesel, the Colorado's maximum trailering capacity rises to 7,700 pounds (3,492 kg) on 2WD models, with estimated fuel economy projected to top the already segment-leading efficiency of the gas models.

It is also the cleanest diesel truck engine ever produced by General Motors.

"Simply put, there's no other midsize truck that can do what Colorado can with its all-new Duramax diesel," said Sandor Piszar, director of Chevrolet Truck Marketing. "Along with greater capability and efficiency, it expands the Colorado lineup to give customers more choices and the capability of exploring more possibilities on and off the road."

The new Colorado diesel goes on sales this fall, offered in LT and Z71 Crew Cab models, with 2WD or 4WD. It is priced $3,730 more than a comparably equipped 3.6L V-6 model.

Features included with or exclusive to Colorado diesel models:

• Smart diesel exhaust brake system that enhances vehicle control and reduces brake wear on steep grades
• Standard Hydra-Matic 6L50 six-speed automatic transmission matched with a Centrifugal Pendulum Vibration Absorber (CPVA) in the torque converter, which reduces powertrain noise and vibration
• The Z82 trailering package is standard and includes a hitch receiver and seven-pin connector
• An all-new integrated trailer brake controller is standard and exclusive on diesel models
• The G80 automatic locking rear differential is standard
• A 3.42 rear axle ratio is standard
• A new, electronically controlled two-speed transfer case is included on 4WD models
• Maximum trailering rating of 7,700 pounds (3,492 kg) for 2WD models and 7,600 pounds (3,447 kg) for 4WD
• GVWRs of 6,000 pounds (2,721 kg) for 2WD and 6,200 pounds (2,812 kg) for 4WD.

"A diesel engine was part of the Colorado's portfolio plan from the very beginning, meaning the chassis, suspension and other elements of its architecture were engineered to support its capability," said Scott Yackley, assistant chief engineer. "That means there are no compromises with the Colorado diesel. It offers exceptional capability delivered with a confident feeling of control."

Colorado's award-winning combination of refinement, maneuverability and connectivity complements the diesel's capability, with segment-exclusive features such as Chevy MyLink with phone integration technology – and compatibility with Apple CarPlay – OnStar 4G LTE with Wi-Fi hotspot, Lane Departure Warning and Forward Collision Alert.

Colorado's innovative solutions for hauling and accessing cargo include a standard CornerStep rear bumper, EZ Lift-and-Lower tailgate (standard on Z71 and available on LT), two-tier loading in the cargo bed, 13 standard moveable tie-down locations throughout the bed, an available, factory-installed spray-in bed liner and a line of available GearOn accessories.

Inside the new 2.8L Duramax turbo-diesel

Colorado's new 2.8L Duramax turbo-diesel is part of GM's global family of turbo-diesel four-cylinder engines designed to deliver value, capability and efficiency. It features a variable-geometry turbocharger for optimal power and efficiency across the rpm band and a balance shaft for greater smoothness.

Power is SAE-certified at 181 horsepower (135 kW) at 3,400 rpm and 369 lb-ft of torque (500 Nm) at 2,000 rpm. A broad torque band makes it very powerful at low rpm, while the turbocharged performance provides a confident feeling of immediate and smooth horsepower on demand.

"It is a no-compromise turbocharged engine that is also really fun to drive, with excellent responsiveness," said Yackley. "It was also designed specifically for trucks and has undergone many of the same validation tests as the 6.6L Duramax, contributing to legendary Duramax durability and reliability."

Additional engine features:

• Iron cylinder block and aluminum DOHC cylinder head
• Forged steel crankshaft and connecting rods
• Oiling circuit that includes a dedicated feed for the turbocharger to provide increased pressure at the turbo and faster oil delivery
• Piston-cooling oil jets
• 16.5:1 compression ratio
• Common rail direct injection fuel system
• Ceramic glow plugs for shorter heat-up times and higher glow temperatures
• Balance shaft that contributes to smoothness and drives the oil pump
• Laminated steel oil pan with upper aluminum section that contributes to engine rigidity and quietness
• B20 bio-diesel capability.

The Duramax 2.8L is the cleanest diesel truck engine ever produced by General Motors, and meets some of the toughest U.S. emissions standards, thanks in part to a cooled exhaust gas recirculation (EGR) system.

The cooled EGR contributes to lower emissions by diverting some of the engine-out exhaust gas and mixing it back into the fresh intake air stream, which is drawn into the cylinder head for combustion. That lowers combustion temperatures and rates, improving emissions performance by reducing the formation of NOx.

Controlling noise and vibration with the CPVA

To control vibration and noise inside Colorado, engineers integrated a device called the Centrifugal Pendulum Vibration Absorber (CPVA) in the torque converter used with the standard Hydra-Matic 6L50 six-speed automatic transmission. It marks the first application of a CPVA in a GM vehicle and the first time it has been used in the midsize truck segment.

The CPVA is an absorbing damper with a set of secondary spring masses, that — when energized — cancels out the engine's torsional vibrations so the driver and passengers can't feel them. In its unique design, the spring masses vibrate in the opposite direction of the torsional vibrations of the engine, balancing out undesirable torsional vibrations.

Smart exhaust brake details

The Colorado's integrated, driver-selectable exhaust brake system is based on the system introduced on the 2015 Silverado HD models and uses the compression power of the 2.8L Duramax engine to improve vehicle control and reduce brake pad wear.

When the exhaust brake is engaged in cruise mode, exhaust cruise grade braking will help the cruise control system maintain the desired vehicle speed when travelling downhill, keeping the driver from having to apply the brakes and exit cruise control to maintain speed.

When the exhaust brake is engaged in non-cruise mode, the transmission and the exhaust brake deliver the correct amount of braking to assist in vehicle control, regardless of vehicle load. It is a smart system that varies the amount of brakes needed for the vehicle, load and grade. The engagement of the system is smooth and quiet, while its performance enhances the driver's feeling of control.

Colorado at a glance

Colorado, the 2015 Motor Trend Truck of the Year and's Best Pickup Truck of 2015, offers the most horsepower and best highway efficiency in the segment (27 mpg with 2.5L engine and automatic transmission), as well as the highest available trailering rating, for gas-powered models – 7,000 pounds (V-6 models when properly equipped) – and higher payload rating – 1,590 pounds (V-6 models when properly equipped).

Chevrolet sold 41,575 Colorado trucks in the first six months of 2015, expanding the midsize truck market and driving new truck customers to Chevrolet – particularly in areas such as California and Texas, which have traditionally been hotspots for import brands.

Founded in 1911 in Detroit, Chevrolet is now one of the world's largest car brands, doing business in more than 115 countries and selling around 4.8 million cars and trucks a year. Chevrolet provides customers with fuel-efficient vehicles that feature engaging performance, design that makes the heart beat, passive and active safety features and easy-to-use technology, all at a value. More information on Chevrolet models can be found at

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