September 4, 2026
7-Night Northern Europe & Fjords Cruise
Departing from Kiel
From
$1,735
Price / day
$248
Adora Magic City|Costa Diadema
Adora Magic City vs Costa Diadema
Compare ship age, size, passenger capacity, itineraries and upcoming cruise prices.
VS
Newer Ship
Both ships are the same
Lower Price Per Day
Both ships are the same
More Spacious Ship
Costa Diadema
26.9 GT per guest
Gross tonnage divided by passenger capacity
Adora Magic City vs Costa Diadema: Quick Comparison
Adora Magic City is approximately 2% larger by gross tonnage at 135,500 GT. Adora Magic City also carries 299 more passengers. Costa Diadema has upcoming sailings in Northern Europe & Fjords. The sailings shown cover different itineraries, so the price per day figures are not a like-for-like comparison. Cruise fares vary significantly by itinerary, departure date and cabin availability, so any price difference should be treated as a snapshot rather than a permanent gap.
Ship Comparison
| Spec | Adora Magic City | Costa Diadema |
|---|---|---|
| Year Built | — | 2014 |
| Gross Tonnage | 135,500 GT | 133,019 GT |
| Passenger Capacity | 5,246 | 4,947 |
| Space per Passenger | 25.8 GT | 26.9 GT |
| Length | 323.6 m | 306 m |
| Decks | — | — |
| Cabins | — | — |
Key Differences: Adora Magic City vs Costa Diadema
Size
At 135,500 GT, Adora Magic City is approximately 2% larger by gross tonnage than Costa Diadema at 133,019 GT.
Passenger capacity
Adora Magic City carries up to 5,246 passengers compared with 4,947 aboard Costa Diadema, a difference of 299 passengers.
Passenger space
Costa Diadema offers more space per passenger: 26.9 GT per guest, compared with 25.8 aboard Adora Magic City. A higher passenger space ratio generally means less crowding in public areas.
Itineraries
The upcoming sailings shown for Adora Magic City and Costa Diadema (Northern Europe & Fjords) currently cover different regions or departure ports.
Compare Ports of Call
Costa Diadema
Northern Europe & Fjords from Kiel
- Departure Port
- Kiel
- Region
- Northern Europe & Fjords
- Nights
- 7
- Round Trip
- Yes
- Day 1 · Sep 4, 2026Kiel
- Day 2 · Sep 5, 2026Copenhagen
- Day 3 · Sep 6, 2026At Sea
- Day 4 · Sep 7, 2026Hellesylt
- Day 5 · Sep 8, 2026Geiranger
- Day 6 · Sep 9, 2026Olden
- Day 7 · Sep 10, 2026Stavanger
- Day 8 · Sep 11, 2026At Sea
- Day 9 · Sep 12, 2026Kiel
Dates are estimates based on the published departure date.
Upcoming Cruises & Prices
Adora Magic City
Costa Diadema
September 5, 2026
7-Night Northern Europe & Fjords Cruise
Departing from Copenhagen
From
$1,885
Price / day
$269
Prices shown are starting fares and may change.
Which Ship Is Cheaper?
Adora Magic City
Average
$0 / day
VS
Costa Diadema
Average
$259 / day
Cruise prices vary by departure date, itinerary, cabin type and availability.
Which Ship Should You Choose?
Choose Adora Magic City if…
- You prefer the larger ship by gross tonnage.
- You do not mind sailing on a ship with a higher passenger capacity.
Choose Costa Diadema if…
- You prefer the ship with the lower passenger capacity.
- You value having more space per passenger (higher GT-per-guest ratio).
- You want to sail in Northern Europe & Fjords.
- Departing from Kiel and Copenhagen works for your plans.
Adora Magic City vs Costa Diadema: Final Comparison Summary
Newer
Both ships are the same
Bigger
Adora Magic City
135,500 GT
2% larger by gross tonnage
Lower Price Per Day
Both ships are the same
- Build year is not available for both ships.
- Adora Magic City is 2% larger by gross tonnage.
- Adora Magic City carries 299 more passengers.
- Costa Diadema offers more space per passenger (26.9 GT per guest).
Frequently Asked Questions
Which is bigger, Adora Magic City or Costa Diadema?
Adora Magic City is larger by gross tonnage. It measures approximately 135,500 GT compared with Costa Diadema at 133,019 GT.
Which ship carries more passengers?
Adora Magic City has a passenger capacity of approximately 5,246, compared with 4,947 for Costa Diadema.
Which ship is more spacious, Adora Magic City or Costa Diadema?
Costa Diadema has the higher passenger space ratio at 26.9 GT per passenger, versus 25.8 for Adora Magic City. The ratio is gross tonnage divided by passenger capacity; a higher number means more ship space per guest.
Where does Costa Diadema sail?
The upcoming Costa Diadema sailings currently listed cover Northern Europe & Fjords, departing from Kiel and Copenhagen.
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