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SkyDrive SD-05 vs Vertical Aerospace VX4

Key facts

SkyDrive SD-05 (SkyDrive Inc.; Prototype) and Vertical Aerospace VX4 (Vertical Aerospace; Prototype) are both eVTOL air taxis. Published figures: range 15–40 km vs 161 km; passengers 2 persons vs 4 persons. Published for only one of them: weight (SkyDrive SD-05: 1,400 kg (3,086 lb)); cruise speed (Vertical Aerospace VX4: 241 km/h); top speed (SkyDrive SD-05: 110 km/h). Neither maker has published a price. Robot 500: SkyDrive SD-05 #130 (score 46.4), Vertical Aerospace VX4 #111 (score 50.4). Disclosure: SkyDrive SD-05 has 13 sourced values (65% of tracked fields), Vertical Aerospace VX4 has 11 (55%).

Cite: RankedRobot, https://rankedrobot.com/compare/skydrive-sd-05-vs-vertical-vx4/ (checked 2026-09-25) · Every figure below links to its source · SkyDrive SD-05 spec sheet · Vertical Aerospace VX4 spec sheet

SpecSkyDrive SD-05Vertical Aerospace VX4
StatusPrototypePrototype
PriceNot publishedNot published
Robot 500#130 · 46.4#111 · 50.4
Launch
Announced
Not disclosedNot disclosed
Not disclosedNot disclosed
Status
PrototypeManufacturerSource: skydrive.co.jp (2026-09-25)
PrototypeManufacturerSource: vertical-aerospace.com (2026-09-25)
Body
Dimensions
Length 12,100 mm × Width 11,400 mm × Height 3,000 mmManufacturerSource: skydrive.co.jp (2026-09-25)
Not disclosedNot disclosed
Weight
1,400 kg (3,086 lb)ManufacturerSource: skydrive.co.jp (2026-09-25)
Not disclosedNot disclosed
Aircraft
Passengers
2 personsManufacturerSource: skydrive.co.jp (2026-09-25)
4 personsManufacturerSource: vertical-aerospace.com (2026-09-25)
Range
15–40 kmManufacturerSource: skydrive.co.jp (2026-09-25)
161 kmManufacturerSource: vertical-aerospace.com (2026-09-25)
Cruise speed
Not disclosedNot disclosed
241 km/hManufacturerSource: vertical-aerospace.com (2026-09-25)
Top speed
110 km/hManufacturerSource: skydrive.co.jp (2026-09-25)
Not disclosedNot disclosed
Max take-off weight
1,400 kg (3,086 lb)ManufacturerSource: skydrive.co.jp (2026-09-25)
Not disclosedNot disclosed
Payload
Not disclosedNot disclosed
Not disclosedNot disclosed
Piloting
PilotedManufacturerSource: skydrive.co.jp (2026-09-25)
PilotedManufacturerSource: vertical-aerospace.com (2026-09-25)
Propulsion
12 main motors, each attached to one rotor (multicopter)ManufacturerSource: skydrive.co.jp (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 SkyDrive SD-05 and the Vertical Aerospace VX4?

Published figures: range 15–40 km vs 161 km; passengers 2 persons vs 4 persons. Published for only one of them: weight (SkyDrive SD-05: 1,400 kg (3,086 lb)); cruise speed (Vertical Aerospace VX4: 241 km/h); top speed (SkyDrive SD-05: 110 km/h).

Which is cheaper, the SkyDrive SD-05 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 SkyDrive SD-05 or the Vertical Aerospace VX4?

Robot 500: SkyDrive SD-05 #130 (score 46.4), Vertical Aerospace VX4 #111 (score 50.4). Method: https://rankedrobot.com/robot500/#method

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