Ultimate BoatingGrand Marine S420 (S420N / S420NS / S420NL)

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RIB

Grand Marine S420 (S420N / S420NS / S420NL)

The Grand Marine S420 (S420N / S420NS / S420NL) is a RIB with a 4.2 m length overall and a 1.95 m beam.

The essentials: this model against its direct rivals

Where it offers less

  • The lightest of its group115 kgtrailerable behind a car (width ≤ 2.55 m, no special convoy)rivals: 165 to 204 kg
  • The flattest deadrise17 °more stable at anchor and more frugal, but pounds more in wavesrivals: 19 to 20 °

Key figures

Propulsion
Outboard
Length overall
4.2 m
Beam
1.95 m
Max power
50 hp
Number of engines
1
Max engine weight
115 kg
CE category
C
Persons
8
Dry weight
115 kg
Deadrise
17 °
Shaft
L
Model year
2026

Head to head with its direct rivals

Side-by-side figures for the S420 (S420N / S420NS / S420NL) against Bombard Explorer 420 · Zodiac Nautic PRO 420 · Highfield Boats Classic 420, at comparable boat type and size.

CharacteristicS420 (S420N / S420NS / S420NL)Bombard Explorer 420Zodiac Nautic PRO 420Highfield Boats Classic 420
Length overall m4.24.24.24.21
Beam m1.951.91.92.1
Persons people8778
Max power hp50505060
Dry weight kg115165181204
Deadrise °17191920

How we compare →

Technical specifications

Tube diameter46 cm
Airtight chambers3
Inside length310 cm
Draft0.42 m
Maximum load540 kg
Tube materialPVC / Hypalon

Usage programmes

Family / cruisingFishing

Comparable boats

Compatible outboard engines

More Grand Marine boats

Sources