sea doo gtx vs yamaha fx vs kawasaki ultra [Answered]

Sea-Doo GTX vs Yamaha FX vs Kawasaki Ultra: A Comparison Guide

When it comes to personal watercraft (PWC), Sea-Doo, Yamaha, and Kawasaki are three of the most popular brands in the market. If you’re in the market for a new PWC, it can be overwhelming to choose between the Sea-Doo GTX, Yamaha FX, and Kawasaki Ultra.

In this post, we will provide you with an objective comparison of these three models, highlighting their similarities and differences, as well as the pros and cons of each. We’ll also discuss some alternatives to these models so you can make an informed decision based on your personal needs and preferences.

Whether you’re a seasoned rider or a first-time buyer, read on to find out which PWC is the best fit for you.

Similarities and Differences between the Three Models


  • All three models have a four-stroke engine
  • All three models have a three-person capacity
  • All three models come with a reverse feature
  • All three models have a premium sound system as an optional extra


Features Sea-Doo GTX Yamaha FX Kawasaki Ultra
Engine Type Rotax 1630 ACE High Output Yamaha Marine Engine Supercharged and Intercooled 1498cc
Top Speed 67 mph (107 km/h) 70 mph (113 km/h) 75 mph (121 km/h)
Fuel Capacity 18.5 gallons (70 L) 18.5 gallons (70 L) 20.6 gallons (78 L)
Storage Capacity 27 gallons (102.5 L) 44 gallons (166.6 L) 56 gallons (212 L)
Hull Type ST3 Hull NanoXcel Hull Deep-V Hull

Sea-Doo GTX

The Sea-Doo GTX is a popular model that offers a balance of comfort and performance. Here are some of the key features and specs of the Sea-Doo GTX:


  • Rotax 1630 ACE Engine
  • Ergolock Seat with Stepped Design
  • Intelligent Throttle Control with ECO Mode
  • Large Front Storage Compartment
  • Direct-Access Front Storage Compartment
  • Tilt Steering
  • iBR – Intelligent Brake and Reverse System


  • Stable and Smooth Ride
  • Great for Long Rides
  • Ample Storage Space
  • Easy to Handle


  • Not as Fast as Other Models
  • Expensive
  • Some Riders Find the Seating Uncomfortable

The Sea-Doo GTX is great for riders who prioritize comfort and stability over speed. If you’re looking for a luxurious and relaxing ride, this model is a great choice.

Yamaha FX

The Yamaha FX is a high-performance model that is known for its speed and agility. Here are some of the key features and specs of the Yamaha FX:


  • High Output Yamaha Marine Engine
  • Revolutionary RiDE Control System
  • NanoXcel Hull and Deck
  • Two-Piece Cruiser Seat
  • Pull-Up Cleats
  • Watertight Storage
  • Cruise Assist/No-Wake Mode


  • Fast and Agile
  • Smooth and Stable Ride
  • Plenty of Storage Space
  • High-Quality Sound System


  • Expensive
  • Less Fuel Efficient Than Some Other Models
  • Lower Weight Capacity Than Some Other Models

The Yamaha FX is great for riders who value speed and performance. If you’re looking for a high-quality PWC that can keep up with aggressive riding, this model is an excellent option.

Kawasaki Ultra

The Kawasaki Ultra is a powerful and luxurious model that is designed for high-performance riding. Here are some of the key features and specs of the Kawasaki Ultra:


  • Supercharged and Intercooled 1498cc Engine
  • Deep-V Hull
  • Electronic Cruise Control
  • Five-Position Adjustable Handlebar
  • Smart Steering
  • Large Fuel Tank
  • Massive Storage Capacity


  • Fastest Model of the Three
  • Great Handling and Stability
  • Comfortable and Roomy
  • Ample Storage Capacity


  • Expensive
  • Less Fuel Efficient Than Some Other Models
  • May Be Too Powerful for Some Riders

The Kawasaki Ultra is great for riders who want speed, power, and plenty of luxury features. If you’re looking for a top-of-the-line PWC that can handle aggressive riding and long trips, the Kawasaki Ultra is a great investment.


If you’re not sold on the Sea-Doo GTX, Yamaha FX, or Kawasaki Ultra, there are several other PWC models on the market that may be a better fit for your needs. Here are a few alternatives to consider:

Kawasaki Jet Ski SX-R

  • Affordable Option
  • Stand-Up Design
  • Engineered for Freestyle Riding

Sea-Doo Spark Trixx

  • Affordable Option
  • Can Perform Tricks and Stunts
  • Available in Vibrant Colors and Designs

Yamaha VX Cruiser HO

  • Great Fuel Efficiency
  • Plenty of Storage Space
  • Sleek and Stylish Design

Honda Aquatrax

  • Reliable and Durable
  • Easy to Handle
  • Great for Family Rides

Consider your budget, preferences, and requirements when choosing a PWC model. It’s important to choose a model that meets your needs and that you feel comfortable and confident riding.

Related: Kayak Gear Essentials: The Must-Have Safety Equipment for Every Paddler


What are some of the similarities between Sea-Doo GTX, Yamaha FX, and Kawasaki Ultra?

In terms of similarities, these three jet ski models often come with similar features like fuel efficiency, ample storage, and adjustable handlebars.

What’s the difference between the price of the three models?

The price of these three models is different. However, it is important to note that the price ultimately depends on the model, year, and any additional features.

Which model offers the best fuel efficiency?

Sea-Doo GTX offers the best fuel efficiency out of these three models, making it a popular choice for those looking to save on fuel.

Which jet ski model is the smoothest ride?

Most users tend to find the Yamaha FX to offer the smoothest ride, largely due to its hull design and suspension system.

What’s the top speed of Kawasaki Ultra?

The top speed of Kawasaki Ultra depends on the model, however, most of these models can go over 60 mph.

Can Kawasaki Ultra be used in saltwater?

Yes, Kawasaki Ultra can be used in saltwater with proper maintenance and care.

What’s the most affordable model among the three?

Sea-Doo GTX tends to be the most affordable model among the three.

Can I perform tricks on the jet ski?

All three models are capable of performing tricks if you have the necessary skills and experience.

Which model is easiest to maneuver?

Sea-Doo GTX is often regarded as the easiest to maneuver due to its user-friendly design.

Which jet ski model is the most reliable?

All three models are known for their reliability. However, Yamaha has a well-established reputation for producing reliable personal watercraft, with the Yamaha FX being no exception.

Real experience

When Tyler first decided to buy a jet ski, he was overwhelmed by the variety of options on the market. As a first-time buyer, he wasn’t exactly sure what to look for in a personal watercraft.

He spent hours poring over brochures and researching different models online. Eventually, he narrowed his options down to three popular models: Sea-Doo GTX, Yamaha FX, and Kawasaki Ultra.

Determined to make the right choice, Tyler decided to take each model out for a test ride. He visited several dealerships and spent an entire weekend trying out every feature and function he could think of.

On his first ride with the Sea-Doo GTX, Tyler was impressed by its speed and maneuverability. It was a bit pricier than the other two models, but Tyler loved the way it felt on the water.

Next, Tyler took the Yamaha FX for a spin. He found the ride to be incredibly smooth, and the suspension system made him feel like he was gliding across the water. However, Tyler wasn’t quite sold on the design and color scheme of the Yamaha.

Finally, Tyler took the Kawasaki Ultra out for a spin. He was immediately drawn in by the reliability and power of the engine, and he loved the ample storage space. However, Tyler found the ride to be a bit rough and bumpy compared to the other two models.

After much consideration, Tyler ultimately decided to go with the Sea-Doo GTX. He loved everything about it – from the sleek design to the speed and maneuverability on the water. Tyler walked away from the dealership feeling confident that he had made the right choice.

Now, years later, Tyler still looks back on that decision fondly. He’s had countless hours of fun and excitement on his Sea-Doo GTX, and he’s never regretted his choice.

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Choosing the right personal watercraft can be overwhelming, but by comparing the Sea-Doo GTX, Yamaha FX, and Kawasaki Ultra, we hope we’ve helped you narrow down your options. Keep in mind that each model has its own unique features and drawbacks, so it’s important to consider your personal needs and preferences before making a decision.

If speed and performance are your top priorities, the Yamaha FX and Kawasaki Ultra are great options, but they do come with a higher price tag. If you value comfort and stability over speed, the Sea-Doo GTX may be the better choice.

And remember, there are plenty of other PWC models on the market that may be a better fit for your needs, so be sure to explore all of your options before making a final decision.

Choose a PWC that meets your needs, preferences, and budget, and have fun out on the water!

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