Specification2024 Mercury 90 FourStroke2024 Mercury 90 SeaPro
ManufacturerMercuryMercury
Model90 FourStroke90 SeaPro
Year20242024
Horsepower90 HP90 HP
Engine Type4-stroke4-stroke
Cylinders44
Displacement1,612 cc1,708 cc
Bore × Stroke82.6 × 75.1 mm84.0 × 77.1 mm
RPM Range5,200–6,300 RPM5,200–6,200 RPM
Fuel SystemEFIEFI
Fuel TypeRegularRegular
Weight155 kg (342 lbs)157 kg (345 lbs)
Starting SystemElectricElectric
SteeringRemoteRemote
Shaft LengthsL/XLL/XL
Gear Ratio2.33:12.29:1
Alternator32 A32 A
Trim & TiltPower Trim/TiltPower Trim/Tilt
Prop Output59.73 kW53.69 kW
Recommended Boat16–23 ft16–23 ft
MSRP$13,350$12,310
Better / Advantage Lower / Disadvantage Equal / Neutral

2024 Mercury 90 FourStroke vs 2024 Mercury 90 SeaPro — Which Is Better?

Choosing between the 2024 Mercury 90 FourStroke and the 2024 Mercury 90 SeaPro comes down to your specific boating needs and priorities.

The 2024 Mercury 90 FourStroke (2024) is a 90hp 4-stroke outboard from Mercury, weighing 155 kg (342 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 2024 Mercury 90 SeaPro offers 90hp with 4-stroke technology, tipping the scales at 157 kg (345 lbs). With a larger displacement of 1,708 cc, it can deliver more torque at lower RPMs.

Both motors are solid choices in the 90 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.