Specification 2024 Mercury 40 SeaPro 2025 Mercury 40 FourStroke
Manufacturer Mercury Mercury
Model 40 SeaPro 40 FourStroke
Year 2024 2025
Horsepower 40 HP 40 HP
Engine Type 4-stroke 4-stroke
Cylinders 3 3
Displacement 710 cc 710 cc
Bore × Stroke 70.0 × 61.4 mm 67.7 × 65.7 mm
RPM Range 5,000–6,100 RPM 5,100–6,100 RPM
Fuel System EFI EFI
Fuel Type Regular Regular
Weight 92 kg (203 lbs) 92 kg (203 lbs)
Starting System Electric Electric
Steering Both Both
Shaft Lengths S/L S/L
Gear Ratio 2.07:1 1.83:1
Alternator 22 A 21 A
Trim & Tilt Power Trim/Tilt Power Tilt
Prop Output 26.25 kW 24.76 kW
Recommended Boat 14–19 ft 14–19 ft
MSRP $7,200 $8,060
Better / Advantage Lower / Disadvantage Equal / Neutral

2024 Mercury 40 SeaPro vs 2025 Mercury 40 FourStroke — Which Is Better?

Choosing between the 2024 Mercury 40 SeaPro and the 2025 Mercury 40 FourStroke comes down to your specific boating needs and priorities.

The 2024 Mercury 40 SeaPro (2024) is a 40hp 4-stroke outboard from Mercury, weighing 92 kg (203 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 40 FourStroke offers 40hp with 4-stroke technology, tipping the scales at 92 kg (203 lbs).

Both motors are solid choices in the 40 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.