Head to head

PSLV vs Soyuz-U-PVB

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

PSLV: 3,800 kg

Soyuz-U-PVB: 6,900 kg

Side by side

7 comparable figures

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

Metric	PSLV	Soyuz-U-PVB
Flights flown	30	74
Success rate	93.3%	97.3%
Payload to LEO (kg)	3,800	6,900
Length (m)	44	51
Diameter (m)	2.8	3
Launch mass (t)	230	313
Stages	4	2

PSLV

Flight record

93.3% success rate28 of 30 flown · 2 failed

1993peak 2007 · 2 flights2024

Maiden flight 2007-04-23. Still flying.

Soyuz-U-PVB

Flight record

97.3% success rate72 of 74 flown · 2 failed

1984peak 1999 · 9 flights2009

Maiden flight 1984-03-21. Retired.

PSLV is built by Indian Space Research Organization of India (company profile on Space Index).Soyuz-U-PVB is built by Progress Rocket Space Center of Russia.

Full specifications and the complete launch history for each: PSLV · Soyuz-U-PVB.

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