2025 Mercury 450R VS 2025 Yamaha F425XTO
Detailed side-by-side comparison of the 2025 Mercury 450R and 2025 Yamaha F425XTO outboard motors.
| Specification | 2025 Mercury 450R | 2025 Yamaha F425XTO |
|---|---|---|
| Manufacturer | Mercury | Yamaha |
| Model | 450R | F425XTO |
| Year | 2025 | 2025 |
| Horsepower | 450 HP | 425 HP |
| Engine Type | 4-stroke | 4-stroke |
| Cylinders | 8 | 8 |
| Displacement | 5,559 cc | 5,559 cc |
| Bore × Stroke | 100.6 × 87.5 mm | 100.6 × 87.5 mm |
| RPM Range | 5,500–6,300 RPM | 5,400–6,400 RPM |
| Fuel System | EFI | EFI |
| Fuel Type | Regular | Regular |
| Weight | 400 kg (883 lbs) | 359 kg (791 lbs) |
| Starting System | Electric | Electric |
| Steering | Remote | Remote |
| Shaft Lengths | XL/XXL | XL/XXL |
| Gear Ratio | 1.85:1 | 1.73:1 |
| Alternator | 90 A | 71 A |
| Trim & Tilt | Power Trim/Tilt | Power Trim/Tilt |
| Prop Output | 288.59 kW | 282.06 kW |
| Recommended Boat | 26–40 ft | 26–40 ft |
| MSRP | $67,950 | $58,560 |
2025 Mercury 450R vs 2025 Yamaha F425XTO — Which Is Better?
Choosing between the 2025 Mercury 450R and the 2025 Yamaha F425XTO comes down to your specific boating needs and priorities.
The 2025 Mercury 450R (2025) is a 450hp 4-stroke outboard from Mercury, weighing 400 kg (883 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 Yamaha F425XTO offers 425hp with 4-stroke technology, tipping the scales at 359 kg (791 lbs).
At 359 kg (791 lbs), the 2025 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.