Head to head

Soyuz 2.1b vs Titan IIIC

Two vehicles in the same payload class. Every figure below comes from the same two sources for both rockets, and a row appears only when both publish the input.

Payload to low Earth orbit

Relative

Soyuz 2.1b: 8,200 kg

Titan IIIC: 13,100 kg

Side by side

8 comparable figures

The highlighted value wins the row. Rows where neither direction is better, like length or stage count, highlight nothing.

Metric	Soyuz 2.1b	Titan IIIC
Flights flown	25	36
Success rate	100%	94.4%
Payload to LEO (kg)	8,200	13,100
Payload to GTO (kg)	3,250	3,000
Length (m)	46.3	42
Diameter (m)	2.95	3
Launch mass (t)	312	626
Stages	3	3

Soyuz 2.1b

Flight record

100% success rate25 of 25 flown

2008peak 2021 · 4 flights2026

Maiden flight 2008-07-26. Still flying.

Titan IIIC

Flight record

94.4% success rate34 of 36 flown · 2 failed

1965peak 1965 · 3 flights1982

Maiden flight 1965-06-18. Retired.

Soyuz 2.1b is built by Progress Rocket Space Center of Russia (company profile on Space Index).Titan IIIC is built by Lockheed Martin of the United States.

Full specifications and the complete launch history for each: Soyuz 2.1b · Titan IIIC.

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.