Cox Marine CXO300 Diesel V8 vs Mercury 275hp Verado (L6)
CXO300 Diesel V8
275hp Verado (L6)
| Spec | Cox Marine CXO300 Diesel V8 | Mercury 275hp Verado (L6) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 300 HP | 275 HP |
| Displacement | 4400 cc ← | 2598 cc |
| Configuration | 8 Cyl / V8 60° Twin-Turbo | 6 Cyl / Inline 6 Supercharged |
| Weights & Dimensions | ||
| Dry Weight | 393 kg (867 lbs) | 288 kg (635 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 1.46:1 | 1.85:1 |
| Alternator | 1440 W ← | 1008 W |
| Fuel Delivery | Common Rail Direct Injection | EFI + Supercharger |
| Maintenance | ||
| Spark Plug | None (Diesel) | NGK ILFR6G-E |
| Engine Oil | 15W-40 Synthetic Diesel | Mercury 25W-40 Synthetic |
Technical Comparison Analysis
Power & Displacement
Comparing the Cox Marine CXO300 Diesel V8 and Mercury 275hp Verado (L6) shows a displacement difference of 1802cc. The Cox Marine features a larger 4400cc block, which typically provides superior low-end torque and better hole-shot performance when pushing heavy loads or reaching planning speeds.
Weight & Rigging
In terms of transom weight, the Mercury is the lighter option at 288kg, offering a weight saving of 105kg over its competitor. This weight reduction is critical for smaller hulls or boats with limited transom capacity where every kilogram affects the center of gravity and drainage efficiency.
Electrical & Features
For boats equipped with modern electronics, sonar, and shallow-water anchors, the Cox Marine offers the best charging performance with a 1440W alternator. Choosing the right power-to-weight profile between these two 4-stroke engines depends heavily on your specific boat's displacement and daily power requirements.