
Pontoon boats are rated in horsepower, commonly written as hp, and more horsepower does not always mean more speed. With a 115 HP engine, you might expect to be able to go as fast as 25 to 31 miles per hour, depending on certain variables relating to your boat weight load, size and other adjustments.
| Characteristics | Values |
|---|---|
| Speed | 25-31 mph |
| Speed with 11 passengers | 22 mph |
| Speed with 1 passenger | 31 mph |
| Speed of a 24-foot pontoon boat with medium load | 25 mph |
| Speed of a 21-foot pontoon boat | 28-30 mph |
| Speed of a 30-foot pontoon boat | 15 mph |
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What You'll Learn

The speed of a 115hp boat depends on its weight, size and load
The number of passengers in the boat also affects its speed. A G3 Suncatcher with 11 passengers and a 115hp engine will go at around 22 miles per hour, whereas with just one person in the boat, it could reach a top speed of 31 miles per hour.
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A 115hp boat with 11 passengers will go slower
A 115hp pontoon boat with 11 passengers will go slower than the same boat with fewer passengers. With 11 passengers, the boat will go at around 22 miles per hour. With just one person in the boat, it could reach a top speed of 31 miles per hour.
The speed of a 115hp pontoon boat depends on several factors, including the weight load, size, and other adjustments. A 22-foot pontoon boat with a 115hp engine and a medium load can go as fast as 25 miles per hour. A 21-foot pontoon boat with the same engine could hit 28 to 30 miles per hour. A 30-foot pontoon boat with a 115hp engine will probably only go as fast as 15 miles per hour.
The speed of a boat is not solely determined by its horsepower. The heavier and larger the boat, the slower it will be.
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A 22-foot 115hp boat with a medium load can go up to 25mph
A 115hp engine will typically allow for a 10% speed increase compared to a 90hp engine. However, with 11 passengers in the same boat configuration and a 115hp engine, the speed will be slower, at around 22mph. With just one person in the G3 Suncatcher, it could reach a top speed of 31mph.
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A 21-foot 115hp boat can go up to 28-30mph
The size of the boat also plays a role in its speed. A 30-foot pontoon boat with a 115hp engine will likely only go as fast as 15mph, while a 17-foot boat with the same engine can reach speeds of 45mph. Therefore, it's essential to consider the specific boat configuration and variables to determine the exact speed of a 115hp boat.
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A 30-foot 115hp boat will go up to 15mph
The speed of a boat is determined by a number of factors, including the weight of the boat, the size of the boat, and the number of passengers. A heavier boat will be slower, and a boat with more passengers will also be slower.
A 21-foot pontoon boat with a 115hp engine could reach speeds of 28-30mph. A 22-foot V22RF with a 115hp engine and a medium load could reach 25mph. A 24-foot pontoon boat with a 115hp engine and a medium load could reach 25mph.
The speed of a boat is not solely determined by its horsepower. A 17-foot boat with a 90hp engine can reach 41mph, while a 17-foot boat with a 115hp engine can only reach 45mph, a 10% increase in speed.
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Frequently asked questions
A 115hp boat can go as fast as 25 to 31 miles per hour, depending on the weight load, size and other adjustments.
With 11 passengers, a 115hp boat will go at around 22 miles per hour.
The heavier and larger the boat, the slower it will be. For example, a 21-foot pontoon boat with a 115hp engine could hit 28 to 30 miles per hour, whereas a 30-foot pontoon boat with the same engine will probably only go as fast as 15 miles per hour.
A 115hp engine will be around 10% faster than a 90hp engine.










































