What’s The Best Oil For A Hemi 5.7 Engine?

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A 5.7 Hemi is one of the most powerful engines you can buy in a consumer-focused vehicle. These engines typically go in trucks or large SUVs because they are oversized for any other vehicle. Because of their capabilities, these engines can be expensive to buy. This means when you do get your hands on one, you’ll want to take care of it. This begs the question, what is the best oil for the Hemi 5.7L engine?

The best oil overall for a 5.7L Hemi is 5W-20 Pennzoil Ultra Platinum. But before putting any oil in your vehicle, we always recommend checking your vehicle’s documentation or with an automotive professional to see what type of oil your vehicle requires. This is to make sure you put the correct fluids in your vehicle.

How long will a 5.7 Hemi engine last? How much horsepower can you get from a 5.7 Hemi? How much oil does a 5.7 Hemi require? How often do you need to change the oil in a 5.7 Hemi engine vehicle? We have done the research and compiled the information to answer these questions and more. Keep reading to learn more!

A collage of a RAM 1500 HEMI 5.7 L and a mechanic pouring oil into car engine, What's The Best Oil For A Hemi 5.7 Engine?

The Best Oil For A Hemi 5.7 Engine

As mentioned above, the best oil for a 5.7 Hemi is a 5W-20 Pennzoil Ultra Platinum oil or another brand with similar specs. When looking for the best oil, you are looking for a reputable brand such as Pennzoil or Mobile 1. Next, you are trying to find their highest quality 5W-20 oil, such as Pennzoil’s Ultra Platinum, because these are typically better oil. The only difference is you pay more for this oil.

Click here to see Pennzoil Ultra Platinum 5W-20 on Amazon.

Lastly, you are looking for a full synthetic oil. This is an important characteristic to look for because full synthetic oil lasts much longer than regular oil. It is better for the vehicle and will save you trips to an oil-changing auto shop.

How Long Will A 5.7 Hemi Engine Last?

White color pickup RAM 1500 HEMI 5.7 L

A 5.7L Hemi is made to last. You can expect an engine of this size to last 300,000 miles or more. Many trucks are known for lasting a long time, and usually, this is the reason: Truck engines are always bigger than a sedan or mid-size vehicle because they expect them to do more off-road it or towing.

These engines last longer because they do not have to work as hard as smaller engines when driving down the road. When an engine does not work as hard, it does not get worn out as easily. You can expect engines of this size to give you plenty of miles.

Another factor to consider is what you will be doing with the vehicle. This will determine how long it lasts. As mentioned above, these vehicles are made for heavy lifting. If you do not plan to tow much or strain the engine with a lot of weight, then it will typically last longer. If this will be a work truck, it may not last as long as it would if it was only driven like any other vehicle.

Do Hemi Engines Run On Diesel or Unleaded?

Hemi engines currently run on regular unleaded gasoline. They are often compared to diesel vehicles because of their power and longevity. Most of the time, regular gasoline engines do not last as long as diesel engines. Plenty of vehicles with diesel engines are found to still be running after 400,000 miles. While these vehicles are more expensive, their lifespan tends to extend longer than vehicles with regular gasoline.

This, of course, is not the case for a 5.7 Hemi or other Hemi engines. These engines last much longer than traditional gas engines and rival diesel-powered vehicles. With Hemi technology catching up to diesel engines, you can expect these to continue to improve with time.

How Much Horsepower Can You Get From A 5.7 Hemi?

A 5.7 Hemi will get anywhere from 300 or 400 to 650 horsepower. That is a lot of power! The 5.7 Hemi is built as strong as possible with all this horsepower, so it can tackle the weighty tasks most people buy these trucks for. 

What Is Horsepower (And Is 650 A Lot)?

Horsepower is the measurement used to express a vehicle’s ability to work. This translates to engine power and vehicle speed when it comes to vehicles. One horsepower unit is equal to 550 foot-pounds per second. If you have higher horsepower, then your vehicle will be able to accelerate quicker. The Hemi offers a lot of horsepower for a vehicle, but you have to remember what the engine has to pull.

While 650 horsepower is more than some supercars, a 5.7 Hemi truck will not be beating any supercars in a drag race. The horsepower in a 5.7 Hemi is there to pull a heavy truck effectively while towing even heavier objects. The body of most Hemi engines is built to be tough rather than fast, although some sports cars have the same engines inside of them.

How Much Oil Does A 5.7 Hemi Require?

Refueling and pouring oil quality into the engine motor car transmission and maintenance gear

The 5.7 Hemi is a larger engine, so it requires around seven quarts of oil. This engine could be in a larger truck or found in a smaller Dodge Charger or Challenger, so always check with an automotive professional before you put a specific amount of oil in your vehicle just to make sure you are putting in the right amount. Not putting enough oil or putting too much may result in damage to yourself or the vehicle’s components. Do specific research on the type of vehicle you have and take it to a professional to avoid any mistakes.

How Often Do You Need To Change Oil In A 5.7 Hemi Engine Vehicle?

With a 5.7 Hemi, you really only need to change the oil every 10,000 miles unless you are doing a lot of towing or off-roading. These engines are built to go a long time on the same oil. For comparison, most vehicles are recommended to go 5,000 miles or so before changing the oil, like a Toyota Prius. These engines are rated to go longer even though it requires seven quarts of oil, which is more than most vehicles.

Summary

Overall, a 5.7L Hemi is a reliable, powerful, and popular engine. While it requires more oil than most because of its bigger size, you can expect to drive around 10,000 miles under ideal circumstances. Whether you plan to buy a vehicle with a 5.7 Hemi or just gather information, these engines are great to study because of their power and longevity.

Interested in learning more about oil in 5.7L Hemi engines? Check out this article: “5.7 Hemi Engine Burning Oil – What To Do?”

Wanting to look into potential problems with a 5.7 Hemi engine? We have the answers here: “5.7 Hemi Engine Common Problems.”

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