Parking Robots Can Fit Up to 50% More Cars. How Do They Work?
Imagine a parking garage that can hold 1,000 cars.
Now imagine fitting as many as:
1,500 cars
inside roughly the same parking area.
No new underground floor.
No larger building.
No extra land.
Instead, robots move the cars.
It sounds like a small convenience.
But parking robots may actually be solving a much more expensive problem.
Space.
And in the world's expensive cities, space can be worth a lot of money.
Why Does Parking Waste So Much Space?
Think about how you normally park a car.
You drive into a garage.
You need enough room to turn.
You need a driving lane.
You need enough space between cars to open the doors.
Then you need space to walk out.
The parking garage isn't designed only for cars.
It is designed for humans driving cars.
Now remove the human.
A driver leaves the car at a transfer area.
A robot moves underneath it.
The robot lifts the car by its tires.
Then it carries the entire vehicle to an empty space.
Nobody needs to open the doors.
Nobody needs to walk between the parked cars.
And the car doesn't necessarily need enough room to maneuver itself into the space.
That means cars can potentially be stored much more tightly.
How Much More?
This is where the numbers become interesting.
Several companies developing these systems say robotic parking can significantly increase parking density.
HL Robotics says its outdoor STAN system can improve space efficiency by:
up to 50%.
Stanley Robotics, the company behind STAN, similarly says its system can fit up to 50% more vehicles into a parking area.
Hyundai WIA has also said its parking robot system can increase parking capacity by approximately:
20% to 50%
depending on the parking layout.
These are company claims, not a guarantee that every 1,000-space garage automatically becomes a 1,500-space garage.
The actual result depends on the building, layout, ramps, columns, fire regulations and how the system is designed.
But the reason companies are interested becomes obvious.
Even a smaller increase could make valuable space more productive.
One Parking Space Can Cost $73,000 to Build
Now we get to the money.
Researchers at UCLA examined parking construction costs across 17 U.S. cities.
Their 2025 data found that the average construction cost of one parking space was approximately:
Aboveground structured parking
$52,000 per space
Underground parking
$73,000 per space
And that doesn't include the price of the land.
The underground figure had increased more than 50% from the inflation-adjusted 2012 estimate.
So consider a hypothetical building.
A 1,000-space underground garage at the study's average construction cost represents roughly:
$73 million
in parking construction.
This does not mean installing robots would automatically save $73 million or that adding 50% capacity creates $36.5 million of profit.
Robots cost money.
Buildings need modifications.
Maintenance costs money.
Software costs money.
And additional parking capacity is not economically identical to constructing new spaces.
But the numbers explain why developers might care about parking robots.
They aren't only selling convenience.
They are selling better use of expensive real estate.
So Who Is Building These Robots?
This isn't one company's experiment.
A small global industry is emerging around moving entire cars with robots.
And some of the companies behind it aren't names most people associate with parking.
Hyundai WIA
Hyundai WIA is part of Hyundai Motor Group.
The company is better known for automotive components and manufacturing technology.
But it has also been developing robotics and automated logistics systems.
Its parking robot is remarkably thin:
110 mm
or about 4.3 inches.
The robot moves underneath a vehicle and lifts it by the wheels.
Hyundai WIA has already deployed parking robots in manufacturing and mobility facilities, including Hyundai Motor Group's innovation center in Singapore and manufacturing operations in the United States.
The technology has also been commercially used at Factorial Seongsu, a robot-friendly building in Seoul.
The interesting development in 2026 is that Hyundai WIA is taking the technology somewhere much more ordinary:
an apartment complex.
That matters.
Factories are controlled environments.
If parking robots begin working reliably in apartments, offices, shopping centers and public garages, the potential market becomes much larger.
Stanley Robotics and HL Robotics
Another important player started in France.
Stanley Robotics developed a robot called:
STAN.
A driver leaves the vehicle in a designated area.
STAN slides underneath it, lifts the tires and carries the vehicle to a parking space.
The system has already operated at Lyon Airport in France.
Stanley says it has accumulated around six years of field experience with the system and that its robotic layout can increase parking capacity by up to 50%.
But Stanley Robotics is no longer simply a French startup.
In 2024, South Korea's HL Robotics acquired a controlling stake in the company.
HL Robotics now positions STAN as its outdoor parking robot platform.
And the technology is expanding again.
In August 2026, HL Robotics announced that STAN would enter operation at London's Gatwick Airport.
The robot can carry vehicles weighing up to:
3 tonnes
and is designed to operate outdoors in rain, snow and temperatures ranging from -20°C to 60°C.
It can also operate 24 hours a day.
This is important because airports may be one of the most obvious places for robotic parking.
Cars often sit there for days.
Customers don't need immediate access to them.
And airport parking operators make money from how efficiently they can use their land.
Parking Robots May Be More Than a Parking Business
There's another clue in what HL Robotics says about STAN.
The company isn't only targeting parking garages.
It also lists:
airport parking
and
vehicle logistics
as major applications.
Think about a car factory.
Thousands of finished vehicles may need to be moved from production lines to storage areas, shipping yards or transportation hubs.
Normally, people may have to enter those vehicles and drive them individually.
A robot that can pick up an ordinary vehicle and move it without modifying the car can automate part of that process.
HL Robotics says STAN can reduce operating costs by up to 30% through process optimization.
Again, that's a company claim rather than a universal industry result.
But it shows that the business opportunity isn't simply:
“help people park.”
It could also be:
“move cars without drivers.”
There Are Two Very Different Ideas for the Future of Parking
And this is where the industry gets more interesting.
Parking robots aren't the only solution.
There is another idea.
Instead of making the parking garage smarter, make the car smarter.
Companies including Bosch and Mercedes-Benz have been developing automated valet parking systems where compatible vehicles can navigate parking facilities without a human driver.
So there may eventually be two competing models.
Model A
Normal car
Smart parking robot
The robot physically moves the car.
Model B
Smart car
Smart infrastructure
The car drives itself to the parking space.
Both eliminate the human driver from part of the parking process.
But they solve the problem very differently.
Why Would a Building Owner Choose a Robot?
The robot approach has one major advantage.
The car doesn't need to be autonomous.
A 15-year-old car can potentially be moved.
An electric car can be moved.
A gasoline car can be moved.
A vehicle from almost any manufacturer can be moved, as long as it fits the system's size and weight limits.
The intelligence lives in the garage.
Not necessarily inside every car.
That makes parking robots particularly interesting during a transition period when some cars are highly automated and millions of others are not.
But Parking Robots Have Their Own Problems
The technology isn't free.
A robotic garage needs:
robots,
sensors,
charging systems,
software,
maintenance,
safety systems,
and infrastructure.
The system also has to work reliably.
Imagine arriving at an airport after a 12-hour flight.
You don't care that the parking system uses advanced robotics.
You care about one thing:
Where is my car?
If the robot system fails, dozens or hundreds of vehicles could become difficult to retrieve.
Traditional parking is inefficient.
But it has one enormous advantage.
A driver can usually walk to the car and drive away.
Automation has to become reliable enough to beat that simplicity.
The Business May Eventually Be Software, Too
There is another part of this industry that is easy to miss.
Moving one car isn't especially difficult.
Moving hundreds of cars efficiently is much harder.
Which car should move first?
Where should each vehicle be stored?
Which robot should pick it up?
When should robots charge?
How do you prevent 50 robots from blocking each other?
How do you prepare a customer's car before they arrive?
This turns a parking garage into something closer to an automated warehouse.
Hyundai WIA has been developing fleet-management systems for parking and logistics robots.
HL Robotics also promotes digital-twin software that allows operators to monitor robots and simulate operations.
So the valuable product may eventually be more than the robot itself.
It could be:
robot
software
building design
maintenance
data
operations.
That's a much larger business than selling a machine that moves a car.
Parking Is Starting to Look Like Warehousing
This may be the easiest way to understand what is happening.
Modern warehouses no longer store boxes wherever a human finds an empty shelf.
Software decides where products should go.
Robots move them.
Space is optimized.
Movement is optimized.
Humans interact with the system mainly at the edges.
Now replace the boxes with:
cars.
That is essentially the idea behind robotic parking.
The driver hands the vehicle to the system.
The system decides where to store it.
And later, the system brings it back.
The parking garage becomes a warehouse for automobiles.
Who Wins?
It's too early to know.
Parking robots could become common in:
airports,
dense urban buildings,
apartment complexes,
car factories,
vehicle storage yards,
rail terminals,
and other places where space or labor is expensive.
Or self-driving cars could eventually become good enough that a separate parking robot becomes unnecessary.
Maybe both technologies survive.
Autonomous cars could dominate some new buildings.
Parking robots could handle older vehicles and high-density storage.
The answer will probably depend on something much less exciting than robotics.
Money.
If a robot system costs less than the space, construction and labor it saves, building owners have a reason to buy it.
If it doesn't, conventional parking will remain difficult to beat.
The Robot Isn't Really Selling Parking
A parking robot looks like a machine that moves cars.
But that's not necessarily what the customer is buying.
An airport may be buying more capacity.
A developer may be buying better use of expensive underground space.
A car factory may be buying less vehicle-handling labor.
And a parking operator may be buying a more automated business.
That's why companies such as Hyundai WIA, HL Robotics and Stanley Robotics are worth watching.
Not because parking robots are guaranteed to become enormous businesses.
They aren't.
But because they are trying to put a price on something every dense city struggles with:
space.
A parking robot doesn't make the building bigger.
It simply tries to make less of the building go to waste.
And if a system can really fit significantly more cars into the same expensive piece of real estate, the most valuable thing the robot moves may not be the car.
It may be the economics of the building.
BEYOND THE OBVIOUS.
Sources
UCLA Center for Parking Policy — Parking Construction Costs
A 2026 UCLA report using 2025 construction data from 17 U.S. cities found average costs of approximately $52,000 per aboveground structured parking space and $73,000 per underground space.
Hyundai WIA — Parking Robot
Official Hyundai WIA material covering its parking robot, commercial deployment at Factorial Seongsu and large-scale vehicle movement applications at Hyundai facilities in Singapore and the United States.
HL Robotics — STAN
Official specifications and company claims for STAN, including up to 50% greater space efficiency, up to 30% lower operating costs, 24/7 operation and a maximum payload of 3 tonnes.
Stanley Robotics — Autonomous Valet Parking
Official information about STAN's commercial operation at Lyon Airport, six years of field experience and its claimed parking-capacity improvements.
HL Robotics — Gatwick Airport
Official announcement regarding deployment of STAN at London's Gatwick Airport in 2026.
HL Group — Stanley Robotics Acquisition
Official information on HL Robotics' acquisition of a controlling stake in Stanley Robotics and Stanley's earlier commercial deployments.