2003-2007 Nissan 350Z Roadster (Z33) 3.5 i V6 24V (283 Hp)

The Nissan 350Z Roadster (Z33), specifically the 3.5i V6 24V variant producing 283 horsepower, represents Nissan’s entry into the modern sports car market with an open-top configuration. Produced from 2003 to 2007, it builds upon the success of the 350Z coupe, offering a more visceral driving experience with the added enjoyment of open-air motoring. This model occupied the premium position within the 350Z Roadster lineup, offering the highest available power output at the time. It was a key component of Nissan’s strategy to revitalize its performance image, appealing to enthusiasts seeking a blend of Japanese reliability and sporty handling.

Technical Specifications

Brand Nissan
Model 350Z
Generation 350Z Roadster (Z33)
Type (Engine) 3.5 i V6 24V (283 Hp)
Start of production 2003
End of production 2007
Powertrain Architecture Internal Combustion engine
Body type Cabriolet
Seats 2
Doors 2
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 6.4 sec
Acceleration 0 – 62 mph 6.4 sec
Acceleration 0 – 60 mph 6.1 sec
Maximum speed 250 km/h (155.34 mph)
Weight-to-power ratio 5.8 kg/Hp, 173.1 Hp/tonne
Weight-to-torque ratio 4.6 kg/Nm, 215.3 Nm/tonne
Power 283 Hp @ 6200 rpm
Power per litre 80.9 Hp/l
Torque 352 Nm @ 4800 rpm (259.62 lb.-ft. @ 4800 rpm)
Engine layout Front, Longitudinal
Engine Model/Code VQ35DE
Engine displacement 3498 cm3 (213.46 cu. in.)
Number of cylinders 6
Engine configuration V-engine
Cylinder Bore 95.5 mm (3.76 in.)
Piston Stroke 81.4 mm (3.2 in.)
Compression ratio 10.3:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain DOHC
Engine oil capacity 4.7 l (4.97 US qt | 4.14 UK qt)
Coolant 8.7 l (9.19 US qt | 7.65 UK qt)
Kerb Weight 1635 kg (3604.56 lbs.)
Trunk (boot) space – maximum 130 l (4.59 cu. ft.)
Fuel tank capacity 80 l (21.13 US gal | 17.6 UK gal)
Length 4310 mm (169.69 in.)
Width 1815 mm (71.46 in.)
Height 1328 mm (52.28 in.)
Wheelbase 2650 mm (104.33 in.)
Front track 1535 mm (60.43 in.)
Rear (Back) track 1545 mm (60.83 in.)
Minimum turning circle 11.2 m (36.75 ft.)
Drivetrain Architecture Rear wheel drive
Number of gears 6 gears, manual transmission
Front suspension Coil spring
Rear suspension Coil spring
Front brakes Ventilated discs
Rear brakes Ventilated discs
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Tires size 225/45 R18; 245/45 R18
Wheel rims size 8J X 18

Powertrain & Engine Architecture

The heart of the 350Z Roadster is the VQ35DE 3.5-liter V6 engine. This engine is a naturally aspirated, 24-valve DOHC powerplant known for its smooth operation and robust construction. The VQ series engines, in general, are renowned for their reliability and responsiveness. The VQ35DE utilizes a multi-port fuel injection system, delivering fuel directly into each intake port for optimized combustion. The engine’s architecture features a 60-degree V-angle, contributing to its balance and reduced vibrations. The 283 horsepower and 259.62 lb-ft of torque are achieved through a combination of optimized intake and exhaust systems, along with a relatively high compression ratio of 10.3:1. The standard transmission for this variant was a 6-speed manual, providing precise control and engaging driving experience. While an automatic transmission was offered, it was generally considered less desirable by enthusiasts due to its impact on performance.

Driving Characteristics

The 350Z Roadster 3.5i with the manual transmission delivers a spirited driving experience. Acceleration from 0-60 mph takes approximately 6.1 seconds, and it reaches a top speed of 155 mph. The engine provides a broad torque curve, making it responsive in various driving situations. The rear-wheel-drive configuration contributes to a balanced feel, and the relatively short wheelbase enhances agility. Compared to the automatic transmission version, the manual offers quicker acceleration and more driver involvement. While not as raw or focused as some European sports cars, the 350Z Roadster provides a compelling blend of performance and everyday usability. The suspension, tuned for a balance between comfort and handling, provides a firm but not overly harsh ride.

Equipment & Trim Levels

The 350Z Roadster 3.5i typically came standard with features such as leather upholstery, air conditioning, power windows and locks, and a Bose audio system. Optional extras included a navigation system, heated seats, and a premium sound system upgrade. The Roadster also featured a power-operated soft top, which could be raised or lowered with ease. Interior trim options were relatively limited, focusing on black or gray leather with aluminum accents. The dashboard layout was driver-focused, with clearly marked gauges and intuitive controls.

Chassis & Braking

The 350Z Roadster utilizes a front-engine, rear-wheel-drive layout with a fully independent suspension system. The front suspension consists of coil springs and shock absorbers, while the rear features a multi-link setup. This configuration provides good handling characteristics and ride comfort. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. An Anti-lock Braking System (ABS) is standard, enhancing safety and control during hard braking. The chassis is reinforced to compensate for the lack of a fixed roof, maintaining structural rigidity.

Market Reception & Comparison

The 350Z Roadster was generally well-received by automotive critics, praised for its stylish design, strong performance, and relatively affordable price point. Compared to other roadsters in its class, such as the Mazda MX-5 Miata and the BMW Z4, the 350Z offered a more powerful engine and a more aggressive driving experience. However, it was also criticized for its weight and its less refined interior compared to some European competitors. Fuel economy was reasonable for a sports car, averaging around 19 mpg in the city and 24 mpg on the highway. Reliability was generally good, with the VQ35DE engine proving to be a durable and dependable powerplant.

Legacy

The Nissan 350Z Roadster, particularly the 3.5i variant, has established itself as a popular choice in the used car market. The VQ35DE engine is known for its longevity and relatively low maintenance costs. While some owners have reported issues with the cooling system and the automatic transmission (in those equipped with it), these are generally not widespread problems. The 350Z Roadster remains a desirable option for enthusiasts seeking an affordable and engaging sports car experience. Its combination of performance, style, and reliability has ensured its place as a modern classic.

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