Head to head

Soyuz 2.1a 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 2.1a: 7,020 kg

Titan IIIC: 13,100 kg

Side by side

9 comparable figures

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

Metric	Soyuz 2.1a	Titan IIIC
Flights flown	58	36
Success rate	98.3%	94.4%
Payload to LEO (kg)	7,020	13,100
Payload to GTO (kg)	2,810	3,000
Liftoff thrust (kN)	4,149	10,586
Length (m)	46.3	42
Diameter (m)	2.95	3
Launch mass (t)	312	626
Stages	3	3

Soyuz 2.1a

Flight record

98.3% success rate57 of 58 flown · 1 failed

2004peak 2023 · 7 flights2026

Maiden flight 2004-11-04. 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 2.1a is built by Progress Rocket Space Center of Russia.Titan IIIC is built by Lockheed Martin of the United States.

Full specifications and the complete launch history for each: Soyuz 2.1a · 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.