Developed in 2000 as a P3 improvement
The robot was developed in 2000 and initially presented as a P3-improved prototype before the P4 name was used for its 2010 museum display. [3]
Honda P4
Specs, price & availability · verified Oct 2026
Honda P4 is a 160 cm, 80 kg biped from Honda Motor Co., Ltd. (Japan), discontinued with no published price.
- Price
- Not disclosed
- Height
- 160 cm
- Weight
- 80 kg
- Total DoF
- 34
Last verified Oct 10, 2026
Price & availability
Honda Motor Co., Ltd. has not published a price
Discontinued
Current dataset status: Discontinued.
Product overview
About Honda P4
The Honda P4 is a bipedal humanoid prototype from Honda Motor Co., Ltd. Honda developed it in 2000 and initially presented it as a 'P3-improved prototype'. Contemporary reporting says the P4 name was applied when the robot joined the Honda Collection Hall display on 20 March 2010, rather than in 2009 as previously stated.
Response.jp reported the P4 at 160 cm and 80 kg, with 34 degrees of freedom: two in the head, 14 across both arms, two per hand, two in the waist and 12 across both legs. A 2 km/h walking speed appears in the secondary P-series table but not in the contemporary museum report. Honda's current official history page does not list the P4.
Wikimedia Commons holds photographs of the P4 at the Honda Collection Hall in Motegi, Japan. The robot is a historical prototype and is no longer developed.
Capabilities
Key features
Hardware profile
Specifications
Official — stated by the manufacturer or organizerReported — stated by a credible third partyEstimated — derived or approximate
Body
Hands & Manipulation
- DoF per hand
- 2Reported — stated by a credible third party[3]Contemporary display report gives two hand axes per hand
Show unknown fields (12)
Mobility
- Maximum speed
- Not published
- Peak joint torque
- Not published
- Actuation
- Not published
Power
- Battery
- Not published
- Runtime
- Not published
- Charge time
- Not published
- Swappable battery
- Not published
Hands & Manipulation
- Payload
- Not published
- Hand / end effector
- Not published
Compute & Sensing
- Onboard compute
- Not published
- Sensors
- Not published
- AI stack
- Not published
Quick answers
Honda P4 FAQ
Can you buy Honda P4?
No general order page is verified. Honda P4 is currently classified as discontinued. [1]
How tall is Honda P4 and how much does it weigh?
Honda P4 is 160 cm tall and weighs 80 kg (Contemporary Honda Collection Hall report and Wikipedia P-series table). [1][3]
How many degrees of freedom does Honda P4 have?
Honda P4 has 34 listed degrees of freedom; 34 axes in the contemporary display report; includes two DoF per hand. [1][3]
Who makes Honda P4?
Honda P4 is made by Honda Motor Co., Ltd., based in Japan. [1]
What is the predecessor or successor of Honda P4?
Honda P3 is its predecessor; Honda ASIMO is its successor. [1]
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Head to head
Popular comparisons
Lineage
Model family
Evaluation footprint
Benchmarks & competitions
No benchmark embodiments or results reference this robot yet.
Related
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Evidence
Sources
- [1]Honda P series - Wikipedia ↗Wikipedia · database · accessed Oct 10, 2026
- [2]File:Honda P4 front Honda Collection Hall.jpg ↗Wikimedia Commons · database · accessed Oct 10, 2026
- [3]Honda displays the previously little-known ASIMO development prototype P4 (Japanese) ↗Response.jp · press · accessed Oct 10, 2026