Specification 2024 Mercury 3.5 FourStroke 2024 Mercury 4 FourStroke
Manufacturer Mercury Mercury
Model 3.5 FourStroke 4 FourStroke
Year 2024 2024
Horsepower 4 HP 4 HP
Engine Type 4-stroke 4-stroke
Cylinders 1 1
Displacement 124 cc 127 cc
Bore × Stroke 56.5 × 49.5 mm 55.7 × 52.1 mm
RPM Range 4,600–5,600 RPM 4,600–5,800 RPM
Fuel System Carbureted Carbureted
Fuel Type Regular Regular
Weight 28 kg (62 lbs) 29 kg (64 lbs)
Starting System Manual Electric/Manual
Steering Tiller Tiller
Shaft Lengths S/L S
Gear Ratio 2.15:1 2.15:1
Alternator N/A N/A
Trim & Tilt Manual Manual
Prop Output 2.62 kW 2.39 kW
Recommended Boat 8–12 ft 8–12 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.