Specification 2025 Mercury 3.5 FourStroke 2025 Suzuki DF4AS
Manufacturer Mercury Suzuki
Model 3.5 FourStroke DF4AS
Year 2025 2025
Horsepower 4 HP 4 HP
Engine Type 4-stroke 4-stroke
Cylinders 1 1
Displacement 129 cc 128 cc
Bore × Stroke 57.4 × 49.9 mm 56.9 × 50.3 mm
RPM Range 4,700–5,800 RPM 4,600–5,500 RPM
Fuel System Carbureted Carbureted
Fuel Type Regular Regular
Weight 27 kg (59 lbs) 27 kg (59 lbs)
Starting System Electric/Manual Manual
Steering Tiller Both
Shaft Lengths S S
Gear Ratio 2.15:1 2.15:1
Alternator N/A N/A
Trim & Tilt Manual Manual
Prop Output 2.48 kW 2.57 kW
Recommended Boat 8–12 ft 8–12 ft
MSRP $1,790 $1,500
Better / Advantage Lower / Disadvantage Equal / Neutral

2025 Mercury 3.5 FourStroke vs 2025 Suzuki DF4AS — Which Is Better?

Choosing between the 2025 Mercury 3.5 FourStroke and the 2025 Suzuki DF4AS comes down to your specific boating needs and priorities.

The 2025 Mercury 3.5 FourStroke (2025) is a 4hp 4-stroke outboard from Mercury, weighing 27 kg (59 lbs).

The 2025 Suzuki DF4AS offers 4hp with 4-stroke technology, tipping the scales at 27 kg (59 lbs). Its more compact 128 cc displacement keeps weight down while maintaining efficiency.

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.