Head to head

Ariane 64 vs Vulcan VC6L

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

Ariane 64: 21,900 kg

Vulcan VC6L: 27,200 kg

Side by side

6 comparable figures

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

Metric	Ariane 64	Vulcan VC6L
Flights flown	3	0
Payload to LEO (kg)	21,900	27,200
Payload to GTO (kg)	11,700	15,300
Length (m)	63	67.4
Diameter (m)	5.4	5.4
Stages	2	2

Ariane 64

Flight record

100% success rate3 of 3 flown

Maiden flight 2026-06-17. Still flying.

Vulcan VC6L

Flight record

Maiden flight not recorded. Still flying.

Ariane 64 is built by ArianeGroup of France (company profile on Space Index).Vulcan VC6L is built by United Launch Alliance of the United States (company profile on Space Index).

Full specifications and the complete launch history for each: Ariane 64 · Vulcan VC6L.

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