What engine is in the 2001 GS 430?
The 2001 GS 430 is powered by a 4.3-liter V8 known as the 3UZ-FE. In more detail, Lexus fitted this aluminum-block, 32-valve V8 with variable valve timing to produce about 300 horsepower and roughly 325 lb-ft of torque, paired with modern engine management for smooth performance.
Overview of the 3UZ-FE V8
The GS 430 shares the 3UZ-FE with other near-era Lexus V8s. This 4.3-liter engine is a lightweight, all-aluminum design that uses dual overhead cams and 32 valves to deliver a refined balance of power and refinement. It features variable valve timing for improved low-end torque and broad high-end power, along with Lexus’ electronic throttle control and comprehensive engine management.
Technical specifications
Below are the core specs that define the GS 430’s 3UZ-FE engine. The list focuses on displacement, configuration, output, and related systems.
- Displacement: 4,294 cc (4.3 L)
- Configuration: V8, 32-valve DOHC
- Materials: Aluminum block and heads
- Power: ~300 horsepower (approximately 223 kW) at around 5,400 rpm
- Torque: ~325 lb-ft (440 Nm) at around 3,400 rpm
- Fuel delivery: Sequential multi-port fuel injection
- Ignition: Electronic ignition with modern engine management
- Drivetrain: Rear-wheel drive (RWD)
- Applications: Lexus GS430 (2001-2005 US models) and related Lexus/V8 platforms of the era
These specifications illustrate a balance between smooth power delivery and refined throttle response that contributed to the GS 430’s reputation for comfort and performance.
Maintenance and notes
Engineers designed the 3UZ-FE to be dependable for long-term ownership, with features like a timing chain-driven valvetrain and robust cooling. For owners and potential buyers, routine checks of fluids, belts (where applicable), and spark plugs, along with listening for unusual noises or vibrations, help preserve performance.
Summary
The 2001 Lexus GS 430 runs the 3UZ-FE 4.3-liter V8, a purpose-built, aluminum-block engine delivering about 300 hp and 325 lb-ft of torque. This combination underpins the GS 430’s confident highway manners and smooth, refined ride that defined early 2000s Lexus luxury performance.
What engine does a 2001 GS 430 have?
Engine
| Base engine size | 4.3 L |
|---|---|
| Cylinders | V8 |
| Base engine type | Gas |
What engine does a 2001 LS430 have?
The LS 430 draws its power from a new 4.3 liter, four cam, 32-valve V-8 with Variable Valve Timing with intelligence. It feeds its 290 horsepower and 320 pound-feet of torque to the rear wheels through a slick 5-speed automatic transmission, one of only a few carryover components.
Which Lexus GS has a 2JZ?
The Lexus GS 300 had a naturally aspirated 2JZ engine capable of generating 227 horsepower and 210 lb-ft of torque. Some referred to this vehicle as “the gentleman's Supra,” a reference to the fact that it provided a more upscale feel than Toyota's famous sports car while retaining some of its sporty excitement.
What engine does a GS 430 have?
4.3-liter V8 engine
The GS 430 model was equipped with a 4.3-liter V8 engine (3UZ-FE) producing 280 PS, and the GS 350 came with a 3.5-liter V6 engine (2GR-FSE) developing 315 PS. In March the next year, the GS 450h was added to the lineup as the first hybrid model of Lexus in Japan.
