Side-by-side cruise ship comparison · Updated February 2026
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across 5 categories
Size
Based on gross tonnage and length
Capacity
Based on passengers and crew
Modernity
Based on year built
Service
Based on passenger-to-crew ratio (lower is better)
Spaciousness
Based on gross tonnage per passenger (higher is better)
Greg Mortimer
Silver Explorer
Gross Tonnage
Greg Mortimer
8,000 GT
Silver Explorer
6,072 GT
Length
Greg Mortimer
104 m
Silver Explorer
108 m
Beam
Greg Mortimer
18 m
Silver Explorer
15 m
Passengers
Greg Mortimer
132
Silver Explorer
132
Crew
Greg Mortimer
85
Silver Explorer
117
Decks
Greg Mortimer
—
Silver Explorer
—
Year Built
Greg Mortimer
2,019
Silver Explorer
1,989
Space Ratio
Greg Mortimer
60.6 GT/pax
Silver Explorer
46.0 GT/pax
Passenger:Crew Ratio
Greg Mortimer
1.55 :1
Silver Explorer
1.13 :1
| Specification | Greg Mortimer | Silver Explorer |
|---|---|---|
| Overview | ||
| Cruise Line | Aurora Expeditions | Silversea Cruises |
| Class | Expedition | Expedition |
| Status | active | active |
| Year Built | 2,019Winner | 1,989 |
| Dimensions | ||
| Gross Tonnage | 8,000 GTWinner | 6,072 GT |
| Length | 104 m | 108 mWinner |
| Beam | 18 mWinner | |
| Capacity | ||
| Passengers | 132 | 132 |
| Crew | 85 | 117Winner |
| Key Ratios | ||
| Space Ratio | 60.6 GT/paxWinner | 46.0 GT/pax |
| Passenger:Crew Ratio | 1.55:1 | 1.13:1Winner |
| Build | ||
| Builder | SunStone Ships | Rauma-Repola |
| Flag | Bahamas | Bahamas |
| IMO Number | 9820490 | 8702991 |
Greg Mortimer
61 GT/pax means plenty of quiet space
1.6:1 passenger-crew ratio means exceptional service
Built in 2019 with modern facilities — great for a first cruise
Good range of onboard options
Silver Explorer
46 GT/pax means plenty of quiet space
1.1:1 passenger-crew ratio means exceptional service
Well-suited for cruise newcomers
Good range of onboard options
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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15 m |
| Draft | — | — |
| Decks | — | — |
