2024 Yamaha F425XTO VS 2025 Mercury 450R
Detailed side-by-side comparison of the 2024 Yamaha F425XTO and 2025 Mercury 450R outboard motors.
| Specification | 2024 Yamaha F425XTO | 2025 Mercury 450R |
|---|---|---|
| Manufacturer | Yamaha | Mercury |
| Model | F425XTO | 450R |
| Year | 2024 | 2025 |
| Horsepower | 425 HP | 450 HP |
| Engine Type | 4-stroke | 4-stroke |
| Cylinders | 8 | 8 |
| Displacement | 5,615 cc | 5,559 cc |
| Bore × Stroke | 99.7 × 89.8 mm | 100.6 × 87.5 mm |
| RPM Range | 5,300–6,200 RPM | 5,500–6,300 RPM |
| Fuel System | EFI | EFI |
| Fuel Type | Regular | Regular |
| Weight | 370 kg (816 lbs) | 400 kg (883 lbs) |
| Starting System | Electric | Electric |
| Steering | Remote | Remote |
| Shaft Lengths | XL/XXL | XL/XXL |
| Gear Ratio | 1.75:1 | 1.85:1 |
| Alternator | 77 A | 90 A |
| Trim & Tilt | Power Trim/Tilt | Power Trim/Tilt |
| Prop Output | 266.21 kW | 288.59 kW |
| Recommended Boat | 26–40 ft | 26–40 ft |
| MSRP | $57,330 | $67,950 |
2024 Yamaha F425XTO vs 2025 Mercury 450R — Which Is Better?
Choosing between the 2024 Yamaha F425XTO and the 2025 Mercury 450R comes down to your specific boating needs and priorities.
The 2024 Yamaha F425XTO (2024) is a 425hp 4-stroke outboard from Yamaha, weighing 370 kg (816 lbs). Its electronic fuel injection delivers reliable starts and improved fuel economy compared to carbureted alternatives. Power trim and tilt makes it easy to adjust on the water.
The 2025 Mercury 450R offers 450hp with 4-stroke technology, tipping the scales at 400 kg (883 lbs). Its more compact 5,559 cc displacement keeps weight down while maintaining efficiency.
At 370 kg (816 lbs), the 2024 Yamaha F425XTO is the lighter option — an important consideration for smaller boats, portability, and overall fuel efficiency.
Both motors are solid choices in the 400 HP+ class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.