Specification2025 Mercury 400 Verado2025 Mercury 450R
ManufacturerMercuryMercury
Model400 Verado450R
Year20252025
Horsepower400 HP450 HP
Engine Type4-stroke4-stroke
Cylinders68
Displacement5,503 cc5,559 cc
Bore × Stroke108.4 × 99.4 mm100.6 × 87.5 mm
RPM Range5,500–6,200 RPM5,500–6,300 RPM
Fuel SystemDOHC-EFIEFI
Fuel TypeRegularRegular
Weight350 kg (772 lbs)400 kg (883 lbs)
Starting SystemElectricElectric
SteeringRemoteRemote
Shaft LengthsXL/XXLXL/XXL
Gear Ratio1.85:11.85:1
Alternator65 A90 A
Trim & TiltPower Trim/TiltPower Trim/Tilt
Prop Output253.54 kW288.59 kW
Recommended Boat24–36 ft26–40 ft
MSRP$63,790$67,950
Better / Advantage Lower / Disadvantage Equal / Neutral

2025 Mercury 400 Verado vs 2025 Mercury 450R — Which Is Better?

Choosing between the 2025 Mercury 400 Verado and the 2025 Mercury 450R comes down to your specific boating needs and priorities.

The 2025 Mercury 400 Verado (2025) is a 400hp 4-stroke outboard from Mercury, weighing 350 kg (772 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). With a larger displacement of 5,559 cc, it can deliver more torque at lower RPMs.

Note that the 2025 Mercury 450R delivers 13% more horsepower, making it better suited for larger boats, water sports, or situations where you need extra speed and power.

At 350 kg (772 lbs), the 2025 Mercury 400 Verado 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.