Side-by-side cruise ship comparison · Updated January 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)
Regal Princess
Sun Princess
Gross Tonnage
Regal Princess
142,714 GT
Sun Princess
175,500 GT
Length
Regal Princess
330 m
Sun Princess
345 m
Beam
Regal Princess
38 m
Sun Princess
47 m
Passengers
Regal Princess
3,560
Sun Princess
4,300
Crew
Regal Princess
1,346
Sun Princess
1,500
Decks
Regal Princess
—
Sun Princess
—
Year Built
Regal Princess
2,014
Sun Princess
2,024
Space Ratio
Regal Princess
40.1 GT/pax
Sun Princess
40.8 GT/pax
Passenger:Crew Ratio
Regal Princess
2.64 :1
Sun Princess
2.87 :1
| Specification | Regal Princess | Sun Princess |
|---|---|---|
| Overview | ||
| Cruise Line | Princess Cruises | Princess Cruises |
| Class | Royal Class | Sphere Class |
| Status | active | active |
| Year Built | 2,014 | 2,024Winner |
| Dimensions | ||
| Gross Tonnage | 142,714 GT | 175,500 GTWinner |
| Length | 330 m | 345 mWinner |
| Beam | 38 m | 47 mWinner |
| Capacity | ||
| Passengers | 3,560 | 4,300Winner |
| Crew | 1,346 | 1,500Winner |
| Key Ratios | ||
| Space Ratio | 40.1 GT/pax | 40.8 GT/paxWinner |
| Passenger:Crew Ratio | 2.64:1Winner | 2.87:1 |
| Build | ||
| Builder | Fincantieri | Fincantieri |
| Flag | Bermuda | Bermuda |
| IMO Number | 9584724 | 9863118 |
Sun Princess is the significantly larger vessel at 175,500 GT — 23% more than Regal Princess's 142,714 GT. Built in 2024, Sun Princess is 10 years newer — an advantage for travellers seeking modern amenities and design. Regal Princess edges ahead in service with a passenger-to-crew ratio of 2.6:1, meaning more crew per guest.
| Category | Winner |
|---|---|
| Size | Sun Princess |
| Capacity | Sun Princess |
| Modernity | Sun Princess |
| Service | Regal Princess |
| Spaciousness | Sun Princess |
Bottom line: Sun Princess wins more categories (4 vs 1), making it the stronger all-round choice based on current data.
Regal Princess
Well-suited for cruise newcomers
Large 3,560-guest capacity offers competitive pricing
3,560 passengers means tons of activities
40 GT/pax means plenty of quiet space
Sun Princess
Built in 2024 with modern facilities — great for a first cruise
4,300 passengers means tons of activities
Large 4,300-guest capacity offers competitive pricing
41 GT/pax means plenty of quiet space
Free cancellation on most rooms
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| Draft | 8.5 m | 8.6 mWinner |
| Decks | — | — |
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