Mercury 400 Verado V10 vs Ilmor MV8 430 (LT-Based)

Mercury

400 Verado V10

2024 · 400 HP · 4-Stroke
VS
Ilmor

MV8 430 (LT-Based)

2024 · 430 HP · 4-Stroke
Spec Mercury 400 Verado V10 Ilmor MV8 430 (LT-Based)
Power & Performance
Horsepower 400 HP 430 HP
Displacement 5700 cc 6200 cc ←
Configuration 10 Cyl / V10 64° 8 Cyl / V8 (90°)
Weights & Dimensions
Dry Weight 316 kg (697 lbs) ← 320 kg (706 lbs)
Mechanical & Electrical
Gear Ratio 2.08:1 1.75
Alternator 1890 W ← 1197 W
Fuel Delivery EFI EFI
Maintenance
Spark Plug NGK LMAR8C-9 ACDelco 41-114
Engine Oil 25W-40 FC-W 15W-50 Synthetic

Technical Comparison Analysis

Power & Displacement

Comparing the Mercury 400 Verado V10 and Ilmor MV8 430 (LT-Based) shows a displacement difference of 500cc. The Ilmor features a larger 6200cc 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 316kg, offering a weight saving of 4kg 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 Mercury offers the best charging performance with a 1890W 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.