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Joby S4 vs Vertical Aerospace VX4

Key facts

Joby S4 (Joby Aviation; Pilot) and Vertical Aerospace VX4 (Vertical Aerospace; Prototype) are both eVTOL air taxis. Published figures: passengers 4 persons vs 4 persons. Published for only one of them: range (Vertical Aerospace VX4: 161 km); cruise speed (Vertical Aerospace VX4: 241 km/h); top speed (Joby S4: 322 km/h). Neither maker has published a price. Robot 500: Joby S4 #88 (score 55.5), Vertical Aerospace VX4 #111 (score 50.4). Disclosure: Joby S4 has 10 sourced values (50% of tracked fields), Vertical Aerospace VX4 has 11 (55%).

Cite: RankedRobot, https://rankedrobot.com/compare/joby-s4-vs-vertical-vx4/ (checked 2026-09-25) · Every figure below links to its source · Joby S4 spec sheet · Vertical Aerospace VX4 spec sheet

SpecJoby S4Vertical Aerospace VX4
StatusPilotPrototype
PriceNot publishedNot published
Robot 500#88 · 55.5#111 · 50.4
Launch
Announced
Not disclosedNot disclosed
Not disclosedNot disclosed
Status
PilotManufacturerSource: jobyaviation.com (2026-09-25)
PrototypeManufacturerSource: vertical-aerospace.com (2026-09-25)
Body
Dimensions
Not disclosedNot disclosed
Not disclosedNot disclosed
Weight
Not disclosedNot disclosed
Not disclosedNot disclosed
Aircraft
Passengers
4 personsManufacturerSource: jobyaviation.com (2026-09-25)
4 personsManufacturerSource: vertical-aerospace.com (2026-09-25)
Range
Not disclosedNot disclosed
161 kmManufacturerSource: vertical-aerospace.com (2026-09-25)
Cruise speed
Not disclosedNot disclosed
241 km/hManufacturerSource: vertical-aerospace.com (2026-09-25)
Top speed
322 km/hManufacturerSource: jobyaviation.com (2026-09-25)
Not disclosedNot disclosed
Max take-off weight
2,400 kg (5,291 lb)ManufacturerSource: jobyaviation.com (2026-09-25)
Not disclosedNot disclosed
Payload
Not disclosedNot disclosed
Not disclosedNot disclosed
Piloting
PilotedManufacturerSource: jobyaviation.com (2026-09-25)
PilotedManufacturerSource: vertical-aerospace.com (2026-09-25)
Propulsion
6 electric tilt-propeller units with 5 blades eachManufacturerSource: jobyaviation.com (2026-09-25)
8 tilt-shift propellers, carbon-fibre composite constructionManufacturerSource: vertical-aerospace.com (2026-09-25)
Certification
Not disclosedNot disclosed
Targeting UK CAA/EASA SC-VTOL enhanced category certification (not yet certified)ManufacturerSource: vertical-aerospace.com (2026-09-25)
Flight time
Not disclosedNot disclosed
Not disclosedNot disclosed
Power
Battery
Not disclosedNot disclosed
Not disclosedNot disclosed
Safety
Certifications
Not disclosedNot disclosed
Not disclosedNot disclosed

Confidence labels: Manufacturer = stated by the maker · Verified = independently confirmed · Reported = credible media or retailer, not confirmed by the maker · ⚠ Unconfirmed = leak or single source · Not disclosed = not published. We never estimate missing figures. Add more robots to this comparison.

Quick answers

What is the difference between the Joby S4 and the Vertical Aerospace VX4?

Published figures: passengers 4 persons vs 4 persons. Published for only one of them: range (Vertical Aerospace VX4: 161 km); cruise speed (Vertical Aerospace VX4: 241 km/h); top speed (Joby S4: 322 km/h).

Which is cheaper, the Joby S4 or the Vertical Aerospace VX4?

Neither maker has published a price. Prices are shown exactly as published, never converted or estimated.

Which ranks higher in the Robot 500, the Joby S4 or the Vertical Aerospace VX4?

Robot 500: Joby S4 #88 (score 55.5), Vertical Aerospace VX4 #111 (score 50.4). Method: https://rankedrobot.com/robot500/#method

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