What is the top speed of a 2003 Lexus gs400?
The stock top speed of the 2003 Lexus GS400 is electronically limited to about 149 mph (240 km/h) in most markets, including the United States.
The GS400 sits in Lexus’ third-generation lineup and uses a 4.0-liter V8 to deliver strong performance with the comfort and refinement typical of the brand. The official top speed figure reflects the factory limiter rather than the engine’s full capability.
What sets the GS400’s speed limit
Most modern Lexus performance sedans employ an electronic control unit (ECU) that caps source speed to protect drivetrain components, safeguard safety margins, and align with warranty expectations. For the 2003 GS400, that limiter sits around 149 mph (240 km/h) in stock form.
Markets and variations
In the United States and many other markets, the limiter is widely cited as 149 mph. Variations can occur by region due to differing regulations or model specifications, but the common reference for the 2003 GS400 is the 149 mph cap. Modifying or removing the limiter can affect reliability, warranty coverage, and legality, and is generally discouraged for street use.
Summary
In short, a 2003 Lexus GS400, in stock condition, is electronically limited to about 149 mph (240 km/h). The figure reflects factory tuning intended to balance performance with safety and long-term durability, rather than any limitation of the V8’s potential.
How much horsepower does a 2003 GS400 have?
Answering customer requests for more power, the American market GS 400 (UZS160) was equipped with the 4.0-liter 1UZ-FE V8 that produced 224 kW (300 hp) and 420 N⋅m (310 ft⋅lb) of torque. Both models featured a five-speed automatic transmission with the GS 400 receiving steering wheel shift buttons.
Is the Lexus GS 450H a fast car?
With a 3.5-liter 338-horsepower V6 engine, the GS450h has ample power and quick, hesitation-free acceleration.
How fast can a Lexus GX 460 go?
Top Speed of the Lexus GX 460
Since each model uses the standard 4.6L V8, the 2021 GX 460 has an estimated top speed of 110mph.
How fast is a Lexus GS400?
The GS400 had 300 horsepower and 310 ft-lbs of torque, and sprinted from 0-60 mph (or 0-96 km/h) in 5.7 seconds. Real world tests have actually bested Lexus' estimate, clocking its fastest real-word acceleration figure in 5.4 seconds.
