When we talk about luxury cars in the USA, the competition is fierce—Mercedes-Benz, BMW, Audi, Lexus, and Tesla all fight for the crown. But if you search for "What is the top 1 luxury car in USA?", the answer in 2025 consistently points toward one name:

Mercedes-Benz S-Class – The #1 Luxury Car in the USA

The Mercedes-Benz S-Class continues to dominate the American luxury market because of its unmatched comfort, design, technology, safety, and smooth performance. It defines what true luxury feels like.

Below is a quick comparison table to show why it stays on top.

Why the S-Class Is #1 in the USA

Ultra-Luxury Interior

The S-Class interior feels like a private jet, with:

• Nappa leather seats
• 64-color ambient lighting
• Executive rear lounge seating

Next-Level Technology

It includes:

• MBUX voice assistant
• Augmented reality navigation
• 3D instrument cluster

Powerful Yet Smooth Performance

Multiple engine options deliver:

• Silent cabin
• Cloud-like suspension
• Efficient hybrid choices

Ultimate Comfort & Safety

Features include:

• Massage + heated + ventilated seats
• Level-2 autonomous driving
• World-class crash protection

Conclusion

If you are wondering "What is the top 1 luxury car in USA?" — the clear answer is the Mercedes-Benz S-Class, the undisputed king of luxury sedans. Its elegance, comfort, innovation, and class-leading experience make it the benchmark for all other luxury cars.