Colorado 2024 | Jim Tubman Chevrolet

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Mon - Fri	7:00AM - 5:30PM
Sat	8:00AM - 4:00PM
Sun	Closed

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Mon	custom - js
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Advancement in Design

A design with a clear point of view and styling that takes advantage of the platform’s proportions is a must.

Engineering Excellence

MotorTrend looks at how well the vehicle is built, as well as its ability to fit the people and things you need day to day.

Efficiency

A vehicle’s fuel efficiency, charge speed, range, operating costs and weight all factor into this category.

Safety

Among other things, MotorTrend tests everything from basics like emergency stops and lane changes to how well advanced driver assistance features perform.

Value

This category is relative to each buyer and segment, and whether the vehicle offers a good bang for your buck.

Performance of Intended Function

This can vary from segment to segment, and looks at how a vehicle does the job it’s intended to do.

The All-New 2024 Colorado ZR2 Bison — created in collaboration with American Expedition Vehicles (AEV) — holds the best-in-class record in multiple categories, including ground clearance, breakover angle and underbody protection. It also features new front and rear jounce control dampers that were performance tested on desert racer Chad Hall’s Colorado ZR2 during the Best in the Desert series, taking ZR2 to the next level as the most off-road capable midsize truck in its class.†

TURBOCHARGED CAPABILITY

Let’s talk goals. Engineering goals. To get the available 2.7L Turbo High-Output engine just right, it had to deliver twofold: maximize responsiveness and low-end torque. The gist? Next-level performance and near-instant turbo boost. It’s exactly the capability you demand – right when you need it most.

COMBUSTION PROCESS

One of the key aspects of meeting those goals is the combustion process, which helps maintain high efficiency.

TURBO DESIGN AND INTEGRATION

To tackle the tough hauls and tow the heavy loads, an engine requires some real crafting. Again, it’s that strong low-end torque that makes it all possible. But let’s go deeper. The in-line 4-cylinder arrangement provides a symmetrical natural turbo placement, while big cylinders feed into a near-equal-length integrated exhaust manifold that couples with the dual volute turbo. The exhaust pulses are separated through the turbine, which helps provide exceptional responsiveness and turbo boost performance.

AIR COMPRESSION AND COOLING

The large-charge air cooler acts as the middleman between the turbo and engine. This feature takes warm, compressed air and cools it down before reaching the engine, increasing efficiency and power. The result: optimum towing capability in hot conditions.

A SUMMARY OF PERFORMANCE

What makes the available 2.7L Turbo High-Output so appealing is its remarkable combination of capability and torque. The details you’ve seen so far, combined with advanced controls, give the engine its high power output and 430 lb.-ft. of torque. It’s a product of rigorous testing and real-world trial that’s ready to work for you.

TURBOCHARGED CAPABILITY

COMBUSTION PROCESS

One of the key aspects of meeting those goals is the combustion process, which helps maintain high efficiency.

TURBO DESIGN AND INTEGRATION

AIR COMPRESSION AND COOLING

A SUMMARY OF PERFORMANCE

FULLY FORGED BOTTOM END

Heavy-duty durability starts with a strong foundation. The engine has a fully forged-steel bottom end, starting with a stiff forged-steel crankshaft and supported by forged-steel main bearing caps.

DIESEL ENGINE TECHNOLOGY

Turbocharged engines are subject to higher loads than naturally aspirated engines. That’s why the available 2.7L Turbo High-Output engine is equipped with diesel technologies, such as tri-metal rod bearings, pistons with a fully machined crown and a cast-iron ring carrier supporting a physical vapor deposition (PVD) coated steel top ring. Because when you set out to take on the heavy loads with turbocharged power, start with an engine that was designed to do just that.

DESIGN AND BUILD

Long-term durability all starts with attention to detail. For instance, chain drives are designed to achieve full service life. It’s an extra detail that lives deep inside the hydraulic tensioners and plays a significant role in long-lasting durability by reducing high chain loads and stress on the chain drive systems. The lower crankcase extension also plays a big part and is used to support the main bearing caps. This feature is designed to handle the heavy loads that turbocharging offers while adding to the solid foundation.

THERMAL CONDUCTIVITY

Another thing about turbocharged engines is they are subject to higher temperatures than naturally aspirated engines. So how do they handle the heat? One way is with spiny lock nodular cast-iron liners. They provide a durable wear surface for the rings, which is critical for long engine life. And the locking interface increases heat transfer out of the cylinder to the water jacket. Sodium-filled exhaust valve stems, as well as high thermal conductivity valve seats and guides, are also used. These help keep exhaust valves running cool under extreme, high-performance situations.

TURBOCHARGER LUBRICATION AND COOLING

Symmetrical natural turbo placement allows for priority feed oil from the filter and the perfect coolant routing. This provides thermosyphon cooling, which aids in keeping the turbo cool after shutting down. And under extreme conditions, the electric water pump can provide after-run cooling. Keeping the turbo lubricated and cool are the keys to a long life.

FULLY FORGED BOTTOM END

Heavy-duty durability starts with a strong foundation. The engine has a fully forged-steel bottom end, starting with a stiff forged-steel crankshaft and supported by forged-steel main bearing caps.