Mercury
Mercury Verado V10 400: specifications
The Mercury Verado V10 400 is an outboard rated at 400 hp with V10 (ten-cylinder V) architecture.
The essentials
Ahead in this comparison
- Dry weight316 kgrival: 432 kg
- Alternator output150 Arival: 100 A
Key figures
- Power
- 400hp
- Dry weight
- 316kg
- Displacement
- 5,719cm³
- Alternator output
- 150A
- Indicative price
- 44,544€
- Maximum warranty
- 5years
Sources and technical context
Document year: 2025.
- Mercury Marine Outboard Brochure 2025 — Verado V10 · 2025 · p. 44 · EN
Mercury UVP-Preisliste DE 2026. Indicative source price: request a quote for your country, date and required configuration.
Technical specifications
Block & combustion
| Architecture | V10 |
|---|---|
| Cylinders | 10 |
| Cycle | 4-stroke |
| Displacement | 5,719 cm³ |
| Bore × stroke | 92 × 86 mm |
| Compression ratio | n/a |
| Max rpm | 5800–6400 rpm |
| Specific output | 70 hp/L |
| Fuel system | EFI + ARO |
| Min. fuel | RON 90 (87 mini) |
Transmission & gearcase
| Gear ratio | 2,08:1 |
|---|---|
| Propeller configuration | Mono (contra-rot dispo) |
| Counter-rotating dual prop | n/a |
| 2-speed gearbox | No |
| Counter-rotating version | Yes |
| Available shafts | L/X/U/UU (20"/25"/30"/35") |
Weight & footprint
| Dry weight (transom load) | 316 kg (20") |
|---|---|
| Power-to-weight ratio | 1.27 hp/kg |
Electrical charging
| Alternator (max) | 150 A |
|---|---|
| Usable charge (low rpm) | 70 A |
| Amps per horsepower | 0.38 A/hp |
Control & integration
| Digital throttle & shift (DBW) | Yes |
|---|---|
| Control | DTS + direction électro-hyd. |
| Steering | Électro-hydraulique (élec. option) |
| Power steering | Yes |
| Docking joystick | In-house |
| GPS position hold | Yes |
| Direct injection | No |
| VTEC (variable timing) | No |
Cost & warranty
| Public price | 44,544 € |
|---|---|
| Cost per horsepower | 111 €/hp |
| Base warranty | 3 years |
| Maximum warranty (conditional) | 5 years |
| Service interval | 100 h |
Operation & compliance
| Emissions standard | RCD 2013/53/UE |
|---|
Head to head with its direct rivals
Prices, warranties and test conditions are not harmonised. They remain visible but do not determine strengths or rankings.
Side-by-side figures for the Verado V10 400 against Yamaha XTO F425, on the criteria that drive the purchase.
| Criterion | Verado V10 400 | Yamaha XTO F425 |
|---|---|---|
| Power hp | 400 | 425 |
| Dry weight kg | 316✓ | 432 |
| Power / weight hp/kg | 1.27✓ | 0.98 |
| Alternator output A | 150✓ | 100 |
| Cost per hp €/hp | 111 | 134 |
| Base warranty years | 3 | 2 |
An index requires at least two criteria documented for every compared engine. “n/a” means the available data cannot assess this use; it is not a poor rating.