Tesla Roadster Sport 2.5: 0-60 In 3.7s, 244-Mile Range

The Tesla Roadster Sport 2.5 stands as a landmark in automotive history, blending supercar thrills with zero-emission electric propulsion. Launched around 2010-2012, this convertible disrupted the sports car segment by delivering Lotus-like handling with Tesla’s innovative battery tech. Its hand-wound motor and adjustable suspension made it a benchmark for early EVs, achieving 0-60 mph in just 3.7 seconds while offering up to 244 miles of range.

Powertrain and Acceleration Excellence

At the heart of the Roadster Sport 2.5 is a 375-volt AC induction electric motor producing 288 horsepower at 4,400-6,000 rpm and 295 lb-ft of torque available instantly from 0 rpm. This setup enables rear-wheel drive through a single-speed direct drive transmission, eliminating gear shifts for seamless power delivery. Independent tests confirmed a 0-60 mph time of 3.7 seconds, a quarter-mile in 12.6 seconds at 102.6 mph, and a top speed electronically limited to 125 mph.

The motor’s design, including variable frequency drive, allowed regenerative braking to recapture energy during deceleration, extending range efficiency. With a power-to-weight ratio of 238 ps per ton, it outperformed many gas-powered rivals of its era.

Battery and Range Capabilities

Powering this beast is a 53 kWh lithium-ion battery pack comprising thousands of cells, weighing around 1,000 lbs but positioned low and central for optimal balance. EPA-rated range reached 244-245 miles on a full charge, with real-world tests aligning closely at about 240 miles under ideal conditions. Charging via a 120-volt outlet took longer, but a dedicated home station could recharge in 3.5 hours at up to 16.8 kW AC.

The battery’s durability was projected for 100,000 miles or five years, a bold claim for 2010 tech that held up in practice. Tesla’s air-cooled system and microprocessor controls maintained performance across temperatures.

Key Performance Metrics Table

Chassis, Suspension, and Handling Dynamics

Built on a Lotus Elise-derived chassis with carbon fiber elements, the Roadster Sport 2.5 tipped the scales at 2,723-2,877 lbs (1,237-1,305 kg), heavier than its gas forebears due to batteries but admirably balanced. Four-wheel independent suspension featured unequal-length wishbones, coaxial coil springs, telescopic dampers, and adjustable anti-roll bars—upgrades in the Sport package for sharper cornering.

Adjustable dampers allowed drivers to fine-tune ride firmness, while lighter forged alloy wheels (17×7.5 inches) shod in 225/45R17 performance tires enhanced grip. Track widths of 57.7 inches front and 59.0 inches rear contributed to its agile footprint, with a low drag coefficient of 0.35-0.36 minimizing wind resistance.

Dimensions included a compact 155.1-inch length, 72.9-inch width, 44.4-inch height, and 92.6-inch wheelbase, making it nimble on twisty roads. Despite the weight, reviewers noted precise steering and minimal body roll, though low-speed maneuvers required more effort.

Interior Comfort and Luxury Appointments

The two-seater cabin prioritized sporty minimalism with leather-upholstered sport seats, heated for driver and passenger, plus power lumbar adjustments. Front headroom measured 36.7 inches, legroom 42.0 inches, and shoulder room 26.0 inches—tight but functional for its class.

• Leather-wrapped steering wheel with alloy accents
• Single-zone climate control
• Trip computer, compass, external temp display, and tachometer
• Cruise control and universal remote transmitter
• Front cupholders and remote trunk release

Optional upgrades like executive leather/carbon fiber seats, infotainment packages, and alloy console trim elevated luxury. Build quality drew praise, though the targa-top convertible added 739 lbs compared to coupes but opened to the sky.

Safety and Reliability Features

Safety was robust for an EV pioneer: four-wheel ventilated disc brakes with ABS, electronic brakeforce distribution, traction control, and tire pressure monitoring. Front seatbelt pretensioners, integrated headrests, post-collision systems, immobilizer, and remote anti-theft alarm provided comprehensive protection.

An emergency interior trunk release addressed battery pack concerns. The low center of gravity from the floor-mounted battery enhanced stability. Warranty covered 3 years/36,000 miles basic, with battery longevity assurances.

Pricing, Options, and Market Position

In Britain, pricing started at £103,000; in the US, MSRP hit $130,450 for the 2012 Sport 2.5. The $19,500 Sport package bundled the high-torque motor, forged wheels, and adjustable suspension.

Colors included Fusion Red at no extra cost. Positioned against Porsche 911 and Audi R8, it offered superior acceleration and eco-credentials at a premium price.

Legacy and Evolution

The Roadster Sport 2.5 proved EVs could thrill, paving the way for Tesla’s Model S and beyond. Its 2011 introduction in England-assembled units marked a shift from California. While range and weight were critiques, performance metrics set standards—Motor Trend’s validations underscored credibility.

Today, used examples remain collectible, embodying the dawn of sustainable supercars. Compared to the new Tesla Roadster’s 1.9s 0-60 and 250+ mph top speed, the 2.5 version was the audacious starter.

Frequently Asked Questions (FAQs)

What is the 0-60 time for the Tesla Roadster Sport 2.5?

3.7 seconds, as manufacturer-stated and independently verified.

How far can the Roadster Sport 2.5 drive on one charge?

Up to 244 miles per EPA, around 240 in practice.

What type of motor powers it?

375-volt AC induction, 288 hp, 295 lb-ft torque.

Is the suspension adjustable?

Yes, standard on Sport models with dampers and anti-roll bars.

Where was it assembled?

Final assembly in England.