WeaponSpecs

Saab AB Gotland-class vs Rubin Design Bureau Kilo-class (Project 636.3)

Saab AB Gotland-class and Rubin Design Bureau Kilo-class (Project 636.3) are both submarine, compared here on public specifications. The Rubin Design Bureau Kilo-class (Project 636.3) leads on test depth (300 vs 200 m). Several Russia-origin figures here are manufacturer or state claims with limited independent verification, so treat this comparison as directional.

Compare systems side by side

Search above to add up to five systems. You’ll get a per-spec winner, relative bars, a normalized spec profile and an honest verdict, every number from public sources.

Building a fleet? Try the Force Builder →

Full data

Full spec sheet

Saab AB Gotland-class Wins 0/5
Rubin Design Bureau Kilo-class (Project 636.3) Wins 5/5
Firepower
Torpedo tubes 4 6
Physical
Length (m) 60.4 m 73.8 m
Naval
Displacement (t) 1,600 t 2,350 t
Max speed (kn) N/A 17 kn
Submerged speed (kn) 20 kn 20 kn
Range (nmi) 6,000 nmi 7,500 nmi
Test depth (m) 200 m 300 m
Complement 25 52
Program
Units built 3 70
Operator countries 1 8

Frequently asked questions

Which has the higher range? +

The Rubin Design Bureau Kilo-class (Project 636.3) has the higher range at 7,500 nmi.

Which has the higher test depth? +

The Rubin Design Bureau Kilo-class (Project 636.3) has the higher test depth at 300 m.

Which has the higher torpedo tubes? +

The Rubin Design Bureau Kilo-class (Project 636.3) has the higher torpedo tubes at 6.

Which has the higher submerged speed? +

The Saab AB Gotland-class has the higher submerged speed at 20 kn.

Which has the higher units built? +

The Rubin Design Bureau Kilo-class (Project 636.3) has the higher units built at 70.

Which has the higher operator countries? +

The Rubin Design Bureau Kilo-class (Project 636.3) has the higher operator countries at 8.

Is the Saab AB Gotland-class better than the Rubin Design Bureau Kilo-class (Project 636.3)? +

On the public specs we track, the Rubin Design Bureau Kilo-class (Project 636.3) leads on 5 of 6 headline metrics, see the full spec sheet for the metric-by-metric breakdown.

Where does this comparison data come from? +

Every figure in the table is sourced from public manufacturer pages, defense-ministry releases and reference publications, and is verifiable on each system's spec page. WeaponSpecs does not accept vendor placement.

Keep exploring

More head-to-heads