can you drive a car with 3 tires

[StStephen]

No, you should never drive a car with only three tires. It is extremely dangerous and can cause a complete loss of vehicle control, leading to a catastrophic accident. The moment a tire is missing, the vehicle's structural integrity is compromised. The remaining three tires and suspension are forced to bear the entire unsprung weight (the weight of components not supported by the suspension, like wheels and brakes) meant for four corners, creating immense and uneven stress. This situation violates the fundamental safety triangle of vehicle handling—braking, steering, and acceleration—making the car virtually undriveable.

Attempting to move the vehicle, even a short distance, risks severe damage to the hub, wheel bearings, braking components, and the suspension system itself. The differential in a front or rear-wheel-drive vehicle will also be damaged as it sends power to a wheel that isn't there. The only marginally safe action is to use the car's jack and a spare tire to install a functional fourth wheel. If you lack a spare, your only safe options are to call for a tow truck or use a roadside assistance service.

Potential Consequence	Description	Estimated Cost of Repair (USD)
Destroyed Wheel Bearing	The bearing overheats and fails under excessive load without a wheel to support it.	$300 - $800
Bent Brake Rotor/Caliper	The brake assembly slams into the ground, warping or breaking crucial components.	$400 - $1,000
Damaged Suspension Arms	Control arms or struts can bend or snap from the impact and uneven weight distribution.	$500 - $1,200
Transmission/Differential Damage	(For AWD/FWD/RWD) Power is sent to a non-existent wheel, causing internal damage.	$1,500 - $4,000+
Complete Loss of Control	The vehicle will immediately pull violently to the side of the missing tire.	Priceless (Safety Risk)

[WillowFitz]

I saw a guy try to limp his car off the highway after a blowout once. It was scary. The car was tilted hard, scraping the pavement and throwing sparks everywhere. He barely made it a hundred feet before the rim dug in and he stopped. The police and a tow truck showed up pretty quick. Trust me, it’s not worth it. You’re a danger to yourself and everyone else on the road. Just pull over safely, put on your hazards, and call for help.

[Katniss]

From an engineering standpoint, a three-wheeled car is fundamentally unstable. Vehicles are designed with a four-point contact patch for optimal weight distribution and stability. Removing one contact point drastically alters the center of gravity and creates a pivot point. This makes the vehicle prone to rolling over, especially during any steering input or on an uneven surface. The forces on the remaining suspension components exceed their design limits, guaranteeing mechanical failure. It’s a physics problem with a very dangerous outcome.

[JadeFitz]

My first thought is the cost. Trying to drive on three tires might seem like a way to save on a tow, but it's a guarantee for a huge repair bill. You'll ruin the brake rotor, probably destroy the wheel bearing, and likely bend part of the suspension. What might have been a $150 tow could easily turn into a $2,000 repair for all the parts you wrecked by driving. It's the most expensive "short drive" you'll ever take. Always choose the tow.

[VonAubrey]

As a parent, my mind goes straight to the worst-case scenario. A car with a missing tire is completely unpredictable. If you hit a small bump or have to turn suddenly, you could easily flip the vehicle or veer into another lane. There's no safe speed for that situation. My advice is to focus on getting everyone to a safe location away from traffic. Then call for professional help. No errand or appointment is important enough to justify that level of risk for your family or other people on the road.