Specification2020 Evinrude E300DGX2024 Mercury 300 FourStroke
ManufacturerEvinrudeMercury
ModelE300DGX300 FourStroke
Year20202024
Horsepower300 HP300 HP
Engine Type2-stroke4-stroke
Cylinders66
Displacement4,252 cc4,503 cc
Bore × Stroke99.1 × 91.8 mm99.1 × 97.2 mm
RPM Range5,300–6,600 RPM5,400–6,600 RPM
Fuel SystemDFIEFI
Fuel Type2-stroke mixRegular
Weight290 kg (639 lbs)310 kg (684 lbs)
Starting SystemElectricElectric
SteeringRemoteRemote
Shaft LengthsXL/XXLXL/XXL
Gear Ratio1.85:11.85:1
Alternator57 A64 A
Trim & TiltPower Trim/TiltPower Trim/Tilt
Prop Output199.10 kW196.86 kW
Recommended Boat22–33 ft22–33 ft
MSRP$32,640$38,600
Better / Advantage Lower / Disadvantage Equal / Neutral

2020 Evinrude E300DGX vs 2024 Mercury 300 FourStroke — Which Is Better?

Choosing between the 2020 Evinrude E300DGX and the 2024 Mercury 300 FourStroke comes down to your specific boating needs and priorities.

The 2020 Evinrude E300DGX (2020) is a 300hp 2-stroke outboard from Evinrude, weighing 290 kg (639 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 300 FourStroke offers 300hp with 4-stroke technology, tipping the scales at 310 kg (684 lbs). With a larger displacement of 4,503 cc, it can deliver more torque at lower RPMs.

At 290 kg (639 lbs), the 2020 Evinrude E300DGX is the lighter option — an important consideration for smaller boats, portability, and overall fuel efficiency.

Both motors are solid choices in the 300 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.