Driver Completes 3,000-Mile Autonomous Tesla Road Trip

A 2018 Tesla Model X navigated nearly 3,000 miles during a cross-country test of electric vehicle autonomy.

Updated on Oct. 25, 2026 in Electric Vehicles

Bold vector editorial illustration of an electric car silhouette on a winding highway, representing long-distance autonomous driving technology. — A 3,000-mile road trip across the U.S. using Tesla autonomous features provided data on charging reliability and self-driving system performance limitations. AI Illustration. Upload story photo >

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Bill Sniffin, an 80-year-old driver, completed a 3,000-mile road trip from Dallas to Iowa and back to Wyoming using Tesla autonomous features. The journey served as a real-world evaluation of electric vehicle technology and long-distance charging reliability.

Why it matters

The excursion provides data on the real-world capabilities and limitations of self-driving systems over vast distances. It highlights how electric vehicles navigate varying infrastructure and the necessity of driver oversight in complex road environments.

The 2018 Tesla Model X required charging stops roughly every 100 miles, with 25 minutes needed to reach an 80 percent charge. The vehicle reached zero battery with only 4 miles of range remaining while traveling in Iowa.

The players

Bill Sniffin

Bill Sniffin is an 80-year-old driver who conducted this long-distance test of electric vehicle autonomy.

The details

The Tesla self-driving system operated for the majority of the trip, though the driver remained responsible for constant attention in construction zones. The driver plans to conduct future tests involving the car's summon and self-parallel parking features.

October 2026: Publication of the report detailing the completed road trip.

Roadmap

This test highlights the ongoing evolution of the Tesla Full Self-Driving system as it transitions toward wider real-world integration. By pushing a 2018 model through diverse transit environments, the test demonstrates the current boundaries of consumer-level autonomous hardware.

Drivers considering similar trips should account for 25-minute charging intervals every 100 miles to maintain an 80 percent battery state. Maintaining active supervision is mandatory, particularly when navigating construction zones and variable regional infrastructure.

The takeaway

Long-distance electric travel remains viable but necessitates careful route planning regarding charging station availability. Reliable autonomy continues to require consistent driver vigilance to manage unpredictable conditions like road construction.