Tesla Semi specs revealed
Elon Musk shared fresh Tesla Semi performance claims — a 500‑mile range at full payload, roughly 1.7 kWh per mile efficiency, a 1,073‑hp tri‑motor setup, a battery life target of 1 million miles and deliveries slated to start this year. (x.com) The post circulated with photos and comments from fans and industry observers about how those numbers compare to diesel semis. (x.com)
Tesla has posted final specs for the production Tesla Semi, including a 500-mile Long Range version and a 325-mile Standard Range version, as customer deliveries move closer in 2026. (tesla.com) On Tesla’s Semi page, the company says the truck can travel up to 500 miles on a charge, use 1.7 kilowatt-hours per mile, and recover up to 60 percent of range in 30 minutes with Tesla Semi chargers. The same page lists three independent rear motors and up to 800 kilowatts of drive power, which is about 1,073 horsepower. (tesla.com) Tesla’s published specs also split the truck into two trims. The Standard Range model is rated at about 325 miles with an 82,000-pound gross combination weight and curb weight under 20,000 pounds, while the Long Range model is listed at 23,000 pounds curb weight and up to 1.2 megawatts peak charging. (tesla.com; electrek.co) The numbers matter because weight and charging speed are the two measurements fleets watch first. In freight, every extra pound in the truck can cut into cargo, and every extra minute at a charger can cut into route time and driver schedules. (tesla.com; nacfe.org) Tesla now says deliveries start in 2026, which is later than the company’s original timeline after the Semi was first unveiled in November 2017 and first handed over to PepsiCo in December 2022. Tesla’s fourth-quarter 2025 update said the company would ramp new production lines in 2026, and Tesla’s Semi site now uses the same year for deliveries. (tesla.com; assets-ir.tesla.com; electrek.co) Real-world testing has shown where electric heavy trucks already fit. In the North American Council for Freight Efficiency’s 2023 Run on Less depot study, Tesla Semis at PepsiCo’s Sacramento site completed 384 miles on a single charge and 806 miles in 24 hours using 750-kilowatt charging. (nacfe.org) That testing also showed the limits are not only on the truck. The North American Council for Freight Efficiency said larger depots can need multi-megawatt power delivery, and slow utility and site work remain a bottleneck for electric truck rollouts. (nacfe.org) Tesla has not posted current Semi pricing on its website, so fleets still do not have a public list price to compare against diesel tractors or rival battery-electric trucks. For now, the clearest update is that Tesla has moved from concept-era promises to a production spec sheet with 2026 deliveries attached. (tesla.com; electrek.co)
