Ford 2.7 vs 3.5 EcoBoost: 4 Things Considered

2.7 vs 3.5 EcoBoost Engines

The Ford F-150’s 2.7-liter and 3.5-liter EcoBoost engines are, in our opinion, its best options. Towing capacity, fuel economy, and reliability are all strong points of both vehicles. With either of these engines, you can’t go wrong.

However, deciding on the best F-150 EcoBoost engine for your needs can be difficult. We look at specs, towing, performance, and more in this article to see how the 2.7 and 3.5 EcoBoost engines compare.

Basic 2.7 & 3.5 EcoBoost Specs

Engine 2.7 EcoBoost 3.5 EcoBoost
Horsepower 325 HP 365-450 HP
Torque 375-400 lb-ft 420-510 lb-ft
Fuel Economy 20/26 MPG 18/25 MPG
Max Towing Capacity* 10,100 lbs 14,000 lbs
Max Payload Capacity* 2,480 lbs 3,250 lbs
Years 2015-present 2011-present
Cost* $0, base engine $1,400 option

There are significant differences between Ford’s 2.7 and 3.5 EcoBoost engines, as summarized above. The XL SuperCrew currently comes standard with a 2.7L twin turbo EcoBoost engine for free. For an additional $1,400, you can get the more powerful 3.5 EcoBoost engine. Due to its age (2011 model year), the 3.5 EcoBoost will be less expensive to buy if you’re looking for a used F-150.

Regardless, the Ford F-150’s maximum towing capacity is 13,200 lbs with the 3.5L twin turbocharged V6 engine from Ford. At low RPMs, it has 470 lb-ft of torque, making it an excellent choice for towing.

The 2.7-liter EcoBoost, on the other hand, is a highly capable engine in terms of horsepower, torque, and towing capacity. In spite of its smaller size, it still performs just as well. However, in comparison to the 3.5 EcoBoost, the 2.7L EcoBoost delivers better fuel economy.

Again, this summarizes the 2.7 vs 3.5 EcoBoost quite well. However, for those who are still undecided about the twin turbocharged F-150 engines, we will go over them in greater detail in this article.

It is based on the 2021 F-150 XL SuperCrew, which has a higher starting engine cost. The exact price depends on the trim, but on average, the 3.5L costs $1,400 more than the 2.7 EB. The maximum towing and payload capacity will be available on 2021 Ford F-150 models.

Ford 2.7L vs 3.5L EcoBoost Performance

Any specific 0-60 or quarter-mile times will be avoided. These figures can vary greatly based on the trim level, type of drive (4WD vs. RWD, etc.), and other factors. Of course, the 3.5 EcoBoost is going to be the faster truck if everything else is the same. Both cars are powered by a twin-turbocharged, direct-injected V6. The 3.5-liter engine simply offers more power and torque due to its larger displacement.

Ford 2.7L vs 3.5L EcoBoost Performance

To put it another way, if you’re looking for power, the 3.5 EcoBoost is the way to go.. However, this does not imply that the 2.7L engine is anything less than capable. It’s still got plenty of grunt and low-end torque for most people.

EcoBoost engines are also very mod-friendly, with the ability to make a significant amount more power with simple bolt-on modifications.

The generation of engines is an important factor to keep in mind. Newer versions of the 3.5 EcoBoost and 2.7 EcoBoost engines, which debuted in 2017 and 2018, are available. A number of improvements have been made to these engines, enhancing both performance and tuning potential.

Winner: 3.5 EcoBoost

Ford EcoBoost Tuning

The Ford F-150 EcoBoost engines can easily be modified to produce up to an additional 100 hp and torque. Here’s a look at some of the best 3.5 EcoBoost performance upgrades we could find.

The 3.5 EcoBoost can produce 450-550 whp with only a few simple modifications. That’s a lot of power for a truck, and it’s probably overkill for most people. Additional modifications, on the other hand, can raise the power of the 3.5l twin turbo engine well above the 600whp mark.

Similar mods work on 2.7 EcoBoost engines as well and can result in massive power gains. Smaller engines, on the other hand, don’t provide as much of a performance boost. The 2.7L engine’s power and torque can be increased by 400+ whp and 450+ lb-ft using an aftermarket tune and E85 fuel blend.

The 2.7 EB F-150 can produce more power with the addition of other standard upgrades. It’s possible to get it to 500-550whp with better turbos. For a V6 this small, those are some impressive numbers.

Winner: 3.5 EcoBoost

2.7 EcoBoost vs 3.5 EcoBoost Towing

Similar to the 2.7 EcoBoost, the 3.5 EcoBoost can tow 4,000 pounds more than the smaller engine. The F-150’s maximum towing capacity is provided by the 3.5L engine. Payload capacity is no exception. However, most F-150 owners will likely find that the base 2.7L engine is more than adequate for towing duties.

The 3.5 EcoBoost is the better choice if you frequently tow heavy loads. Also, the F-150’s higher towing capacity isn’t the only reason for the increased fuel efficiency. Towing heavy loads places a greater demand on the 2.7L EcoBoost’s turbochargers. The 3.5 EB’s larger displacement gives it an advantage over the 3.0 EB. As a result, less turbo will be required.

It goes without saying that engines are built to withstand the additional stresses and strains that come along with towing a trailer. However, hot air is generated by twin turbo engines like the 2.7 and 3.5 EcoBoost. Towing a lot of weight on a steep grade can be taxing on the engine. Since the 3.5L engine relies on displacement, that’s a benefit.

Winner: 3.5 EcoBoost

F-150 2.7 vs 3.5 Twin Turbo Fuel Economy

Finally, there is one area where the 2.7 EcoBoost outperforms the 3.5 EcoBoost. Getting into specifics is difficult due to the large number of variables that affect the fuel economy. How much weight does the F-150 truck have, is it 4WD or RWD, and so on? The 2.7 EcoBoost will get about 2-3 more miles per gallon than the 3.5-liter V6 in a similarly equipped Ford F-150 with the same options package.

F-150 2.7 vs 3.5 Twin Turbo Fuel Economy

It’s a no-brainer, as the smaller displacement will always be superior. This is particularly valid given the fact that both engines make use of remarkably similar concepts and components. When all factors are considered, the Ford 2.7 EcoBoost is the more fuel-efficient of the two engines.

The 2.7 and 3.5 EcoBoost engines will likely offer similar fuel economy when towing, though. The Ford 3.5L twin turbo engine may even have a slight advantage in certain circumstances. This is due to the larger displacement of the engine requiring less frequent use of high turbo boost.

Winner: 2.7 EcoBoost

Ford 2.7 vs 3.5 EcoBoost Reliability

As a result of our extensive research and writing on reliability for Ford’s 2.7 and 3.5 EcoBoost engines, we are well-versed in this subject. Ford has done an excellent job with these engines, according to our assessment.

They have a lot in common, but problems are few and far between for them both. Some of it is just a matter of chance. The 2.7 and 3.5 EcoBoost engines, on the other hand, should be dependable if properly maintained.

That Ford did a great job with the 2nd generation engines is undeniable Carbon buildup on the intake valves of direct injection engines is a problem. Port injection was added by Ford to the 3.5L and 2.7L engines of the second generation to address this issue. They also fixed issues with the 3.5 EcoBoost’s timing chain and the 2.7 EcoBoost’s oil pan.

Winner: Tie

EcoBoost Engine Longevity

The long-term dependability of the 2.7 EcoBoost vs 3.5 EcoBoost can be a subject of much discussion.. Is there a difference in how long one engine lasts compared to another? As of right now, it’s virtually impossible to say.

However, while the 3.5L V6 has been around for a decade, the smaller 2.7 EB has only been around for about six years. There isn’t enough information available right now to say one engine is better than the other.

In any case, the 2.7 and 3.5 EcoBoost engines should have no problems traveling more than 200,000 miles in most cases without experiencing any problems at all. The exact length of life depends on a wide range of factors.

The length of time an engine lasts depends on many factors, including how it’s maintained, used, and driven. Again, we’re big fans of both of the Ford F-150 EcoBoost engines, so the winner may just be a matter of chance.

Winner: Tie

F-150 2.7 vs 3.5 EcoBoost Summary

In terms of performance, towing capacity, fuel economy, and reliability, Ford EcoBoost engines are among the best options available for the F-150. The material of the engine block is one difference between the two engines.

They do, however, have a lot in common. EcoBoost’s twin turbo DOHC, direct-injected V6 engines with Ti-VCT are available in 2.7 and 3.5-liter sizes with the former having a smaller displacement.

The 3.5 EcoBoost is the clear choice if you’re looking for the most power and towing capacity. The 2.7L engine, on the other hand, offers excellent performance and towing, which is more than enough for the majority of drivers. Because of its smaller displacement, it gets better mileage and is therefore an excellent choice for a work truck.

There isn’t much of a difference in the performance of the two engines in terms of reliability. The 2.7 and 3.5 EcoBoost engines are equally reliable, but the second-generation engines represent a significant step forward.

Ford has done an excellent job with the EcoBoost engines in the F-150 in general. Which option is best for you is largely determined by your requirements and preferences.

Which EcoBoost engine do you drive? Are you thinking about one in particular?

If you have anything to add, please do so in the comments below.

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