Tesla Roadster Design
The Tesla Roadster is a fast two-seat convertible sports car. But that description could fit any number of cars; the Roadster will go down in history for being the first high-performance electric car sold in the U.S. since the 1920s.
The Tesla Roadster comes from a brand-new Silicon Valley startup automaker dedicated to producing pure electric cars powered by lithium-ion batteries, with no combustion engine of any kind. The Roadster single-handedly convinced irascible auto journalists and wealthy buyers that electric cars weren’t all “golf carts,” but in fact could provide silent, swift, sheer acceleration that humbled Ferrari models costing twice as much. Revealed in 2006 to a startled world, with the first Roadsters rolling off the line late in 2008, full production started for the 2009 model year.
Tesla Roadster Design
The Tesla Roadster uses 6,831 small “commodity” lithium-ion cells the same kind used in mobile phones and laptops to provide 0-to-60-mph acceleration under 4 seconds and a real-world range of 150 to 240 miles, depending on how often the driver uses that acceleration. The Roadster's electric motor is redlined at 13,000 to 15,000 rpm, for a quoted top speed of 125 mph. The mid-mounted 53-kilowatt-hour battery pack sits behind the cockpit, with a 185-kilowatt (248-horsepower) electric motor driving the rear wheels. The Tesla Roadster is assembled by Lotus in England, and shares some chassis architecture with that maker’s light, swift Elise sports car.
With a price tag of more than $100,000, the Tesla Roadster competes—at least in theory—with imported high-end performance cars from Porsche, Aston Martin, Ferrari, and the like. But until German makes like Audi manage to launch their own all-electric sports cars.
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