The main companies building smart cars today

Smart cars are built by traditional automakers, tech companies, and startups working alone or in partnership. The largest producers are Tesla, which manufactures its own vehicles from the ground up; General Motors, Ford, and Volkswagen, which add smart features to their existing car lines; and BMW, Mercedes-Benz, and Audi, which integrate autonomous and connected technology into luxury models. Chinese manufacturers like BYD and NIO are also major players in the smart car market.

Beyond these established names, companies like Waymo (owned by Google's parent company Alphabet) and Cruise (owned by General Motors) focus specifically on self-driving technology rather than building entire vehicles. Apple has explored smart car development, though it has not yet released a consumer vehicle. Many of these companies partner with each other—for example, GM and Cruise work together on autonomous vehicles, while traditional automakers license self-driving software from tech firms.

Key Takeaways

  • Tesla manufactures its own smart cars entirely, while most traditional automakers add smart features to vehicles they already produce.
  • Tech companies like Waymo and Cruise specialize in self-driving systems and partner with automakers rather than building complete vehicles themselves.
  • Smart car features range from driver information (lane-keeping, automatic braking) to partial automation (highway driving) to full self-driving capability.
  • The smart car market includes both luxury brands and mass-market manufacturers, with Chinese companies becoming increasingly competitive.

What "smart car" actually means

A smart car is not a single thing—the term covers a wide range of technology. At the basic level, it means a vehicle with driver information features: automatic emergency braking, lane-keeping information, adaptive cruise control, and parking help. These systems use cameras, radar, and sensors to monitor the road and warn or information the driver.

At a higher level, smart cars can handle partial automation, meaning they can drive themselves on highways or in specific conditions without constant human input, though a driver must remain alert and ready to take over. Tesla calls this "Autopilot" and "Full Self-Driving Capability." BMW, Mercedes, and Audi offer similar systems under different names. The highest level is full autonomy—a vehicle that can drive itself in most conditions without a human driver present. Waymo and Cruise are testing fully autonomous vehicles in limited cities, but these are not yet widely available to consumers.

How traditional automakers entered the smart car market

Companies like Ford, General Motors, and Volkswagen did not start from scratch. Instead, they took their existing vehicle platforms and added smart technology through partnerships and in-house development. GM partnered with Cruise to develop self-driving systems. Ford invested in Argo AI (though that partnership ended in 2023). Volkswagen acquired stakes in autonomous vehicle companies and developed its own software division.

This approach lets established automakers leverage their manufacturing informed, dealer networks, and customer base while adding new capabilities. It also spreads the enormous cost of developing autonomous systems across multiple revenue streams. A traditional automaker might sell millions of vehicles with basic driver information features, which funds the research into more advanced self-driving technology.

Why Tesla took a different path

Tesla manufactures its own vehicles and develops its own smart car software in-house, which is unusual in the industry. This vertical integration means Tesla controls the entire process: the hardware (cameras, sensors, computers), the software that processes that data, and the vehicle itself. The company collects real-world driving data from its fleet to train its self-driving systems, which gives it a large dataset that competitors must work harder to match.

This approach has trade-offs. Tesla can move quickly and make decisions without coordinating with partners, but it also bears the full cost and responsibility for failures. Other automakers spread risk by working with multiple suppliers and technology partners, which can slow decision-making but reduces the burden on any single company.

Tech companies and startups in the smart car space

Waymo (Google) and Cruise (General Motors) are the most visible autonomous vehicle companies. Both focus on self-driving technology rather than manufacturing. Waymo operates a robotaxi service in San Francisco and Phoenix, where passengers can request a fully autonomous vehicle through an app. Cruise has tested autonomous vehicles in San Francisco and other cities, though its operations have faced regulatory scrutiny and setbacks.

Smaller startups like Aurora, Mobileye (owned by Intel), and Aptiv develop self-driving software and sensors that they license to automakers. This model lets startups focus on one piece of the puzzle—the autonomous driving system—while automakers handle manufacturing and sales. Chinese companies like Baidu and Didi are developing similar technology for their home market.

The role of suppliers and component makers

Smart cars depend on specialized parts that no single automaker makes entirely on its own. NVIDIA supplies the powerful computer chips that process sensor data in real time. Bosch, Continental, and Aptiv manufacture the cameras, radar, and lidar sensors that smart cars use to "see" the road. Qualcomm provides the connectivity systems that let vehicles communicate with each other and with infrastructure.

These suppliers work with multiple automakers, which means a smart car from Ford might use NVIDIA chips, Bosch sensors, and Qualcomm connectivity. This modular approach lets automakers focus on vehicle design and manufacturing while relying on specialists for the technology components. It also means that advances in sensor or chip technology benefit the entire industry relatively quickly.

Where smart car development is happening fastest

The United States and China are the two largest markets for smart car development. In the US, Tesla leads in consumer adoption, while Waymo and Cruise test autonomous vehicles in cities like San Francisco, Phoenix, and Las Vegas. Traditional automakers like GM, Ford, and BMW are investing heavily in smart car features and self-driving research.

China has become a major hub for smart car innovation. Companies like NIO, XPeng, and Li Auto manufacture smart vehicles with advanced features, often at lower prices than comparable US or European models. BYD, the world's largest electric vehicle manufacturer, is also expanding its smart car offerings. Chinese companies benefit from a large domestic market, government support for electric and autonomous vehicles, and a willingness to deploy new technology quickly.

Europe is moving more cautiously. Regulations around autonomous vehicles are stricter, and traditional automakers like Volkswagen, BMW, and Mercedes are integrating smart features gradually. However, European companies are investing in the underlying technology—software, sensors, and connectivity—that will power future smart cars.

Frequently Asked Questions

Is Tesla the only company making fully self-driving cars?

Tesla is the only company selling vehicles to consumers with a "Full Self-Driving" option, though that system still requires driver attention. Waymo operates fully autonomous robotaxis in San Francisco and Phoenix, but these are not sold to consumers—you request one through an app. Cruise has tested fully autonomous vehicles but does not currently offer a consumer service.

Can I buy a smart car from a traditional automaker like Ford or GM?

Yes. Ford, General Motors, BMW, Mercedes-Benz, and Volkswagen all sell vehicles with smart features like lane-keeping, automatic braking, and adaptive cruise control. These features are often included as standard or available as upgrades. However, their self-driving capabilities are more limited than Tesla's—they handle specific tasks like highway driving but require constant driver attention.

Who owns Waymo and Cruise?

Waymo is owned by Alphabet, Google's parent company. Cruise is owned by General Motors. Both companies focus on autonomous vehicle technology and operate robotaxi services in select cities, but neither manufactures vehicles for consumer purchase.

Why do smart cars need so many different companies involved?

Smart cars are too complex for any single company to build everything efficiently. Automakers focus on vehicle design and manufacturing. Chip makers like NVIDIA specialize in processors. Sensor companies like Bosch focus on cameras and radar. Software companies develop the systems that tie it all together. This division of labor lets each company become informed at what it does best and keeps costs lower than if one company tried to do everything.

Are Chinese smart cars available in the United States?

Not widely. Companies like NIO, XPeng, and Li Auto sell smart vehicles in China but have not entered the US market in significant numbers. BYD manufactures electric vehicles globally but focuses on buses and commercial vehicles in the US rather than consumer cars. Tariffs and regulatory barriers make it difficult for Chinese automakers to sell consumer vehicles in America, though this could change.