The Lexus RX 330 4WD, produced between 2003 and 2009, represents the second generation (RX II) of Lexus’s popular luxury crossover SUV. Positioned as a mid-range offering within the RX lineup, it served as a key model in establishing Lexus as a major player in the burgeoning luxury SUV market. The RX 330 4WD aimed to provide a comfortable, reliable, and technologically advanced alternative to traditional body-on-frame SUVs, appealing to buyers seeking a car-like driving experience with the added security of all-wheel drive. It was built on the K platform shared with the Toyota Highlander, but with a focus on refinement and luxury features.
Technical Specifications
| Brand | Lexus |
| Model | RX |
| Generation | RX II |
| Type (Engine) | 330 4WD (230 Hp) |
| Start of production | 2003 |
| End of production | 2009 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.8 sec |
| Acceleration 0 – 62 mph | 7.8 sec |
| Acceleration 0 – 60 mph | 7.4 sec |
| Maximum speed | 180 km/h (111.85 mph) |
| Weight-to-power ratio | 7.9 kg/Hp, 126.7 Hp/tonne |
| Weight-to-torque ratio | 5.5 kg/Nm, 180.7 Nm/tonne |
| Power | 230 Hp @ 5600 rpm |
| Power per litre | 69.7 Hp/l |
| Torque | 328 Nm @ 3600 rpm (241.92 lb.-ft. @ 3600 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 3MZ-FE |
| Engine displacement | 3302 cm3 (201.5 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 91.9 mm (3.62 in.) |
| Piston Stroke | 83 mm (3.27 in.) |
| Compression ratio | 10.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC, VVT-i |
| Engine oil capacity | 4.7 l (4.97 US qt | 4.14 UK qt) |
| Coolant | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Kerb Weight | 1815 kg (4001.39 lbs) |
| Trunk (boot) space – minimum | 490 l (17.3 cu. ft.) |
| Trunk (boot) space – maximum | 2130 l (75.22 cu. ft.) |
| Fuel tank capacity | 72 l (19.02 US gal | 15.84 UK gal) |
| Length | 4729 mm (186.18 in.) |
| Width | 1844 mm (72.6 in.) |
| Height | 1679 mm (66.1 in.) |
| Wheelbase | 2715 mm (106.89 in.) |
| Front track | 1575 mm (62.01 in.) |
| Rear (Back) track | 1575 mm (62.01 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 225/65 R17 |
Powertrain & Engine Architecture
The RX 330 4WD is powered by the 3MZ-FE, a 3.3-liter (3302 cc) naturally aspirated V6 engine. This engine is a member of Toyota’s MZ engine family, known for its smoothness and reliability. The 3MZ-FE features a 60-degree V-angle, dual overhead camshafts (DOHC), and Toyota’s Variable Valve Timing-intelligent (VVT-i) system. VVT-i adjusts the timing of both intake and exhaust valves, optimizing performance and fuel efficiency across the engine’s operating range. Fuel delivery is handled by a multi-port fuel injection system. The engine produces 230 horsepower at 5,600 rpm and 241.92 lb-ft of torque at 3,600 rpm. The engine is transversely mounted in the front of the vehicle.
The RX 330 4WD utilizes a five-speed automatic transmission. This transmission was designed to provide smooth and responsive shifting, contributing to the vehicle’s comfortable driving experience. The automatic transmission is electronically controlled, adapting shift points based on driving conditions and throttle input. The 4WD system is a full-time system, utilizing a viscous coupling center differential to distribute torque between the front and rear axles. This system provides enhanced traction in various weather conditions without requiring driver intervention.
Driving Characteristics
The RX 330 4WD offers a comfortable and refined driving experience. The 3.3-liter V6 provides adequate power for everyday driving and highway cruising, although it isn’t particularly sporty. Acceleration from 0-60 mph takes approximately 7.4 seconds. The automatic transmission shifts smoothly, and the VVT-i system helps to maintain a reasonable level of fuel efficiency. Compared to the more powerful RX 350 (introduced in later years), the RX 330 feels less energetic, especially when fully loaded or climbing hills. The 4WD system provides confident handling in slippery conditions, but the RX 330 is primarily designed for on-road use.
Equipment & Trim Levels
The RX 330 4WD came standard with a comprehensive list of features, including leather upholstery, power-adjustable front seats, a premium sound system, automatic climate control, and alloy wheels. Optional extras included a navigation system, a sunroof, and upgraded audio options. The RX 330 4WD was generally offered in a single, well-equipped trim level, with options packages available to customize the vehicle to individual preferences. Wood trim accents were common throughout the interior, enhancing the luxurious feel.
Chassis & Braking
The RX 330 4WD features an independent suspension system with coil springs at all four corners. The front suspension utilizes MacPherson struts, while the rear suspension employs a double-wishbone design. This suspension setup provides a comfortable ride and good handling characteristics. The braking system consists of ventilated disc brakes at the front and solid disc brakes at the rear. Anti-lock brakes (ABS) are standard, enhancing safety and control during emergency braking situations. The steering is rack-and-pinion with hydraulic power assist, providing precise and responsive steering feel.
Market Reception & Comparison
The Lexus RX 330 4WD was well-received by critics and consumers alike. It was praised for its comfortable ride, quiet interior, and reliable powertrain. Compared to other luxury SUVs of the time, such as the BMW X5 and the Mercedes-Benz ML-Class, the RX 330 offered a more accessible price point and a reputation for exceptional reliability. Fuel economy was respectable for its class, averaging around 18 mpg city and 24 mpg highway. However, some critics noted that the RX 330 lacked the sporty handling of its European competitors.
Legacy
The Lexus RX 330 4WD has proven to be a remarkably durable and reliable vehicle. Many examples are still on the road today, with well-maintained units exceeding 200,000 miles. The 3MZ-FE engine is known for its longevity, and the automatic transmission is generally trouble-free. In the used car market, the RX 330 4WD remains a popular choice for buyers seeking a comfortable, reliable, and affordable luxury SUV. Its success helped solidify Lexus’s position as a leader in the luxury automotive segment and paved the way for future generations of the RX crossover.
