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Picking From Silverado Engine Options: 6.2 vs 6.6 in the 2024 Silverado High Country

Let's face it, the Silverado High Country is a stunner. But under that gorgeous hood, a decision awaits: the 6.2L V8 or the new 6.6L powerhouse. Let's break down the engine options, simple and clear.
Posted:
Author: Armen Hareyan
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I was watching a video review about the 2024 Chevy Silverado 1500 High Country and one comment about the 6.2 engine vs the 6.6 engine options got my attention, which I want to discuss in this article.

"Gorgeous truck! I could be wrong, but I think the reason they put the 6.6 in the HD trucks and not the 6.2 is because the 6.6 is a heavy-duty iron block engine that’s built to handle consistent heavy towing and it’s able to go long distances while towing a heavy load without overheating or breaking anything. I think the 6.2 is an aluminum block and if you tow heavy with it consistently, it’s more likely to have issues because that’s not really what it’s built for," wrote user @eldonengleman2460 under the 2024 Silverado 1500 review.

The 6.2L: A seasoned veteran, this aluminum-block beast roars with 420 horsepower and 460 lb-ft of torque. It's a rocket, loves high-octane fuel, and thrives on a good romp. But heavy towing? Not its forte. Long hauls with a trailer can strain its aluminum muscles. Think weekend warrior, not workhorse.

The 6.6L: This engine opinion only available in the 2500 Silverao and up this newcomer is built for the long haul. A cast-iron beast, it churns out 401 horsepower and 464 lb-ft of torque. Sure, it doesn't scream like the 6.2, but its steady low-end grunt tackles big trailers with ease. Think marathons, not sprints. Bonus? Regular fuel keeps it happy.

So, which one's for you?

Go 6.2 if:

  • You need better acceleration.
  • Weekend warrior towing is your main gig.
  • Don't mind the premium fuel splurge.

Go 6.6 if:

  • You regularly tow heavy loads over long distances.
  • Fuel efficiency matters (regular fuel, remember?).
  • Prefer a smooth, steady pull over raw power.

Look, at the end of the day the choice is yours. But remember, the High Country deserves a partner that matches its rugged good looks and can handle whatever you throw its way. Choose wisely, and your Silverado will conquer every road, trailer or no.

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Remember:

  • 6.2L: Aluminum block, high-octane fuel, performance king.
  • 6.6L: Cast-iron beast, regular fuel, towing titan.

Test drive both, feel the difference, and let the High Country guide your heart (and your trailer) to the perfect engine.

Now, let's discuss some questions in the comments section below as I would like to hear from you as well.

Fueling the Fire: While the article mentions fuel preferences, how much does the real-world fuel economy differ between the 6.2L and 6.6L engines, especially under towing conditions? Would the potential fuel savings of the 6.6L outweigh the performance difference for you?

Towing Tough Choices: If you frequently tow heavy loads but also enjoy spirited driving, would you consider compromising on engine choice (say, opting for the 6.2L with a heavy-duty towing package) or prioritize fuel efficiency and towing prowess with the 6.6L? Share your towing priorities and how they influence your engine pick!

Beyond the Engine: While the article focuses on the heart of the beast, what other factors would sway your decision between the 6.2L and 6.6L Silverado High Country? Are there specific features, technology options, or even personal preferences that might tip the scales for you?

Let's get the discussion rolling! Share your thoughts, experiences, and Silverado wisdom in the comments below.

Also see our story, titled: From the 2024 Chevy Silverado to the 2024 Corvette, Chevrolet says "Together Let's Drive."

Armen Hareyan is the founder and the Editor in Chief of Torque News. He founded TorqueNews.com in 2010, which since then has been publishing expert news and analysis about the automotive industry. He can be reached at Torque News TwitterFacebookLinkedin, and Youtube. He has more than a decade of expertise in the automotive industry with a special interest in Tesla and electric vehicles.

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Comments

MikeB (not verified)    December 29, 2023 - 3:55PM

Been a Chevy guy since I was a kid, they got to some fixing to do if I get another one, trade every 2 years and do about 40k a year on them…. But man it is getting hard to settle on issue that are the same for 10 years in a row.

Haggard (not verified)    December 29, 2023 - 3:57PM

There’s a reason the 6.2 never went into the 2500s…. 6.6 would be a sweet option for the 1500s for the people who actually work these trucks and don’t just drive it to work and the mall


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Jesse (not verified)    December 29, 2023 - 4:20PM

The 6.6 in a 1500 would tear that frame in half. I’ve had a couple High Country’s . A 2022 with 6.2 and loved that truck. Most fun I’ve ever had in a truck. I currently have a 2024 3500 with a 6.6. This truck is amazing. Don’t see myself ever going back to a 1500. Not as quick as the 6.2 but definitely no slouch. Gets up and goes. Can cruise more comfortably in the 3500 at 75 mph.

Randy Webber (not verified)    July 10, 2025 - 2:39PM

In reply to by Tom (not verified)

I had 6.2 in my 2500 Chevy years ago before the 6.6 came out. It pulled my 30' boat and trailer just fine @16 mile per gallon. Was a sweet ride loved that truck. Now it's 1500 vs 2500 I'm retired and don't pull anything so guess the 1500 is a fine choice but sure loved that 3/4 ton.
If gas money was no big deal then 2500 would be my choice it is rough rider though in comparison.

Chris Haddox (not verified)    July 13, 2025 - 8:13AM

My view is that the 6.2L V8 has more aftermarket support due to its age. This means I can source performace parts such as a supercharger easier, potentially a used stock blower from a z06. When I put 37" tires on, I still want the truck to be able to pass some dufus in a Tesla.