The RX330 uses a 3.3-liter V6 engine known as the 3MZ-FE, equipped with variable valve timing (VVT-i).
In the RX330, Lexus paired this 3.3-liter V6 with a 5-speed automatic transmission and offered both front-wheel-drive and all-wheel-drive configurations. Produced around the mid-2000s, the RX330 aimed to deliver smooth, confident performance for a mid-size luxury SUV.
Engine type and specifications
Key specifications of the RX330’s powerplant include:
- Engine code: 3MZ-FE
- Displacement: 3.3 L (3348 cc)
- Configuration: 60-degree V6, DOHC, 24 valves
- Valvetrain: Variable valve timing with intelligence (VVT-i)
- Fuel delivery: Sequential multi-port fuel injection
- Power: roughly 235–245 horsepower, depending on market and revision
- Torque: approximately 240–250 lb-ft
- Transmission: 5-speed automatic
- Drive: available in front-wheel drive or all-wheel drive
These specifications collectively define the RX330’s ability to deliver smooth power and steady mid-range response, suited to daily driving and highway merging.
Engineering notes and context
- The 3MZ-FE is part of Toyota/Lexus’s MZ family of V6 engines, known for refinement and reliability.
- VVT-i on the engine helps optimize efficiency and throttle response across different speeds.
- Aluminum construction and modern valve and fuel systems contributed to a balanced weight and performance profile for its class.
In the broader Lexus lineup, the 3MZ-FE also powered several contemporaries, such as the ES330, reinforcing a family of midsize luxury vehicles that prioritized smooth, confident power delivery.
Summary
The RX330’s engine is a 3.3-liter V6 (3MZ-FE) with VVT-i, paired with a 5-speed automatic and offered in both FWD and AWD formats. It emphasizes smooth power, refined operation, and reliability that characterized Lexus models of its era.