2003-2011 Bristol Speedster 5.9 i V8 3S (390 Hp)

The Bristol Speedster 5.9i V8 3S, produced between 2003 and 2011, represents a unique chapter in the storied history of Bristol Cars. This two-seat, rear-wheel-drive cabriolet was the first open-top model offered by Bristol in over two decades, aiming to blend traditional British craftsmanship with modern performance. It was built upon the foundations of the existing Speedster coupe, sharing its chassis and core mechanical components, but distinguished by its fully automatic retractable soft top. The 3S designation indicates the highest performance variant within the Speedster range, boasting a 390 horsepower V8 engine. It occupied the premium position in Bristol’s limited lineup, catering to buyers seeking a luxurious and powerful grand tourer with a distinctive British character.

Technical Specifications

Brand Bristol
Model Speedster
Generation Speedster
Type (Engine) 5.9 i V8 3S (390 Hp)
Start of production 2003
End of production 2011
Powertrain Architecture Internal Combustion engine
Body type Cabriolet
Seats 2
Doors 2
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 5 sec
Acceleration 0 – 62 mph 5 sec
Acceleration 0 – 60 mph 4.8 sec
Maximum speed 257 km/h (159.69 mph)
Weight-to-power ratio 3.6 kg/Hp, 279.6 Hp/tonne
Weight-to-torque ratio 2.8 kg/Nm, 358.4 Nm/tonne
Power 390 Hp @ 5500 rpm
Power per litre 66.1 Hp/l
Torque 500 Nm @ 4000 rpm (368.78 lb.-ft. @ 4000 rpm)
Engine layout Front, Longitudinal
Engine Model/Code Magnum
Engine displacement 5900 cm3 (360.04 cu. in.)
Number of cylinders 8
Engine configuration V-engine
Cylinder Bore 101.6 mm (4 in.)
Piston Stroke 90.93 mm (3.58 in.)
Compression ratio 9.25:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Kerb Weight 1395 kg (3075.45 lbs.)
Fuel tank capacity 165 l (43.59 US gal | 36.29 UK gal)
Length 4674 mm (184.02 in.)
Width 1752 mm (68.98 in.)
Height 1118 mm (44.02 in.)
Wheelbase 2890 mm (113.78 in.)
Front track 1422 mm (55.98 in.)
Rear (Back) track 1435 mm (56.5 in.)
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 4 gears, automatic transmission
Front suspension Transverse stabilizer
Rear suspension Spring Strut
Front brakes Disc
Rear brakes Disc
Assisting systems ABS (Anti-lock braking system)
Tires size 255/55 R17
Wheel rims size 8.5J x 17

Powertrain & Engine Architecture

At the heart of the Speedster 5.9i 3S lies Bristol’s Magnum V8 engine, a naturally aspirated 5.9-liter (360 cubic inch) powerplant. This engine, while rooted in Chrysler’s LA series V8, underwent significant modifications by Bristol engineers over decades of development. The 3S variant featured enhanced cylinder heads, a revised camshaft profile, and a high-performance exhaust system to liberate an impressive 390 horsepower at 5500 rpm and 500 Nm (368.78 lb-ft) of torque at 4000 rpm. Fuel delivery is managed by a multi-port fuel injection system. The engine’s robust construction and relatively simple design contribute to its renowned reliability. The engine is mounted longitudinally in the front of the vehicle, sending power to the rear wheels. The Speedster 3S exclusively utilized a four-speed automatic transmission, a conscious decision by Bristol to prioritize ease of use and a relaxed grand touring experience over outright performance or fuel efficiency. This transmission, while not the most modern, was known for its smoothness and durability.

Driving Characteristics

The Bristol Speedster 5.9i 3S delivers a distinctly British grand touring experience. The automatic transmission, while lacking the engagement of a manual, provides seamless gear changes and allows the driver to fully appreciate the V8’s torque. Acceleration to 60 mph is achieved in around 4.8 seconds, and the car can reach a top speed of 159.69 mph. However, the Speedster isn’t about outright speed; it’s about effortless cruising. The suspension, featuring a transverse stabilizer at the front and a spring strut setup at the rear, provides a comfortable ride, absorbing bumps and imperfections in the road with aplomb. The steering is precise and well-weighted, offering good feedback to the driver. Compared to a hypothetical manual version, the automatic Speedster sacrifices some responsiveness, but gains in everyday usability. It also differs significantly from the more economical 4.0-liter versions of the Speedster, offering a substantial power increase and a more refined driving experience.

Equipment & Trim Levels

The Speedster 5.9i 3S was generously equipped, reflecting its premium positioning. Standard features included leather upholstery, burled walnut trim, electric windows, central locking, and an upgraded audio system. The interior was hand-crafted with meticulous attention to detail, showcasing Bristol’s commitment to traditional luxury. Customers could personalize their Speedster with a range of options, including different leather colors, wood veneers, and bespoke trim packages. A retractable soft top, operated electrically, was a defining feature of the model. Air conditioning was standard, as were heated front seats. While not overtly modern in its technology, the Speedster prioritized comfort and craftsmanship over cutting-edge gadgets.

Chassis & Braking

The Speedster’s chassis is a steel monocoque construction, providing a solid and rigid platform. The suspension system, as mentioned, utilizes a transverse stabilizer at the front and a spring strut setup at the rear. Disc brakes are fitted to all four wheels, providing ample stopping power. An Anti-lock Braking System (ABS) is standard, enhancing safety and control. The car rides on 17-inch alloy wheels, shod with 255/55 R17 tires. The braking system, while effective, isn’t particularly sophisticated by modern standards, but is more than adequate for the car’s performance capabilities.

Market Reception & Comparison

The Bristol Speedster 5.9i 3S received generally positive reviews from automotive critics. It was praised for its luxurious interior, powerful engine, and distinctive British character. However, its high price tag and relatively dated technology were points of criticism. Compared to other grand tourers of the era, such as the Aston Martin DB9 or the Bentley Continental GT, the Speedster offered a more understated and individualistic experience. Its fuel economy was relatively poor, typical of a large-displacement V8 engine. Reliability was generally good, but maintenance costs were high due to the car’s specialized components and limited production run.

Legacy

The Bristol Speedster 5.9i 3S remains a rare and desirable collector’s car. Its limited production numbers and unique character have ensured its enduring appeal. The Magnum V8 engine, while not the most technologically advanced, is known for its robustness and longevity. Today, well-maintained examples command significant prices in the used car market. The Speedster represents a final flourish of traditional British automotive engineering, a time when craftsmanship and individuality were valued above all else. While Bristol Cars ceased production in 2011, the Speedster 5.9i 3S stands as a testament to the company’s enduring legacy.

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