Specification2024 Mercury 3.5 FourStroke2024 Mercury 4 FourStroke
ManufacturerMercuryMercury
Model3.5 FourStroke4 FourStroke
Year20242024
Horsepower4 HP4 HP
Engine Type4-stroke4-stroke
Cylinders11
Displacement124 cc127 cc
Bore × Stroke56.5 × 49.5 mm55.7 × 52.1 mm
RPM Range4,600–5,600 RPM4,600–5,800 RPM
Fuel SystemCarburetedCarbureted
Fuel TypeRegularRegular
Weight28 kg (62 lbs)29 kg (64 lbs)
Starting SystemManualElectric/Manual
SteeringTillerTiller
Shaft LengthsS/LS
Gear Ratio2.15:12.15:1
AlternatorN/AN/A
Trim & TiltManualManual
Prop Output2.62 kW2.39 kW
Recommended Boat8–12 ft8–12 ft
MSRP$1,660$1,710
Better / Advantage Lower / Disadvantage Equal / Neutral

2024 Mercury 3.5 FourStroke vs 2024 Mercury 4 FourStroke — Which Is Better?

Choosing between the 2024 Mercury 3.5 FourStroke and the 2024 Mercury 4 FourStroke comes down to your specific boating needs and priorities.

The 2024 Mercury 3.5 FourStroke (2024) is a 4hp 4-stroke outboard from Mercury, weighing 28 kg (62 lbs).

The 2024 Mercury 4 FourStroke offers 4hp with 4-stroke technology, tipping the scales at 29 kg (64 lbs). With a larger displacement of 127 cc, it can deliver more torque at lower RPMs.

Both motors are solid choices in the 4 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.