Specification 2024 Mercury 300 V8 2025 Mercury 300 FourStroke
Manufacturer Mercury Mercury
Model 300 V8 300 FourStroke
Year 2024 2025
Horsepower 300 HP 300 HP
Engine Type 4-stroke 4-stroke
Cylinders 8 6
Displacement 4,127 cc 4,044 cc
Bore × Stroke 86.9 × 86.9 mm 96.0 × 93.2 mm
RPM Range 5,300–6,400 RPM 5,500–6,200 RPM
Fuel System EFI EFI
Fuel Type Regular Regular
Weight 293 kg (646 lbs) 305 kg (671 lbs)
Starting System Electric Electric
Steering Remote Remote
Shaft Lengths XL/XXL XL/XXL
Gear Ratio 1.75:1 1.73:1
Alternator 67 A 59 A
Trim & Tilt Power Trim/Tilt Power Trim/Tilt
Prop Output 181.21 kW 201.34 kW
Recommended Boat 22–33 ft 22–33 ft
MSRP $39,310 $39,140
Better / Advantage Lower / Disadvantage Equal / Neutral

2024 Mercury 300 V8 vs 2025 Mercury 300 FourStroke — Which Is Better?

Choosing between the 2024 Mercury 300 V8 and the 2025 Mercury 300 FourStroke comes down to your specific boating needs and priorities.

The 2024 Mercury 300 V8 (2024) is a 300hp 4-stroke outboard from Mercury, weighing 293 kg (646 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 2025 Mercury 300 FourStroke offers 300hp with 4-stroke technology, tipping the scales at 305 kg (671 lbs). Its more compact 4,044 cc displacement keeps weight down while maintaining efficiency.

At 293 kg (646 lbs), the 2024 Mercury 300 V8 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.