How fast is the Lexus GS 450h?
The Lexus GS 450h can accelerate from 0 to 60 mph in roughly 5.5 to 6 seconds and reach a top speed around 130 mph, thanks to a combined hybrid output of about 338 horsepower. In real-world driving, it emphasizes smooth, assured acceleration and refined highway cruising more than outright raw speed.
Performance specifications
These figures summarize the core speed-focused attributes of the GS 450h, drawing from official specifications and standardized testing conducted across model years and markets.
- Combined system horsepower: roughly 338 hp (253 kW)
- Powertrain: 3.5-liter V6 (2GR-FSE) paired with electric motors
- Transmission: electronically controlled CVT (E-CVT)
- Drivetrain: all-wheel drive (AWD) in most markets
- 0–60 mph: about 5.5–6.0 seconds depending on year and conditions
- Top speed: electronically limited to around 130 mph (210 km/h)
These numbers reflect typical specifications shared by Lexus and automotive outlets. Individual results can vary slightly by model year, tire choice, battery state of charge, and ambient conditions.
Real-world performance and testing
In independent tests and daily driving, the GS 450h tends to deliver its best performance when the hybrid system is allowed to blend power smoothly. The electric motors provide immediate torque at lower speeds, while the V6 sustains power as speed climbs. The overall package prioritizes refinement and effortless punch over track-like acceleration.
Before the list: Automotive testers frequently report a range of real-world figures due to year-to-year updates, tire wear, weather, and battery health. The following summarizes common results seen in multiple reviews and road tests.
- 0–60 mph in practice: typically 5.7–6.0 seconds
- Top speed observed in testing: usually 125–130 mph, depending on tires and grade
- In mixed driving, real-world efficiency tends to be in the mid-20s mpg city/highway (varies with battery state and driving style)
These practical results illustrate how the GS 450h behaves outside controlled lab conditions. Factors such as battery charge, climate control usage, and tire friction can shift performance by a noticeable margin.
What affects its speed and acceleration
Hybrid powertrain dynamics
The GS 450h relies on a synergy between the 3.5-liter V6 and electric motors. The electric portion provides immediate torque at low speeds, while the gasoline engine contributes sustained power at higher speeds. The system’s seamless power delivery is a hallmark of its luxury-oriented performance profile.
Grip, tires, and weight distribution
Tire choice and suspension setup significantly influence acceleration and top speed in practice. All-wheel drive helps keep traction, especially in wet or slippery conditions, but heavier components of the hybrid system can affect the quickest sprint times compared with non-hybrid peers.
Summary
The Lexus GS 450h offers a compelling blend of speed and efficiency for a mid-sized luxury sedan. With a combined output around 338 horsepower, official 0–60 mph times near 5.5–6.0 seconds, and a top speed around 130 mph, it delivers refined, confident performance rather than headline-grabbing brutal acceleration. Real-world results align with this balance, showing smooth, practical speed that fits everyday driving and long-range comfort.
Final takeaway
For buyers seeking a luxurious, quiet, and efficient ride with respectable straight-line speed, the GS 450h remains a competitive option within its era. If raw track-level speed is the priority, modern performance sedans may offer stronger numbers, but the GS 450h’s hybrid operation and smooth power delivery continue to appeal to those prioritizing refinement and efficiency.
Summary: The GS 450h accelerates from 0 to 60 mph in about 5.5–6 seconds and tops out near 130 mph, blending a V6 with electric motors for a refined, confident speed profile. Real-world results hover around these figures, influenced by tires, battery state, and driving conditions.
How fast is the GS450h 1 4 mile?
Allowing our 450h to squirt from 0 to 60 in just 5.6 seconds, and through the quarter mile in 13.5 seconds at 101 miles per hour. Good company for any BMW or Mercedes.
How much horsepower does the GS 450h have?
The Lexus GS 450h has a combined system horsepower of 338 to 340 hp, depending on the model year, which is produced by its 3.5-liter V6 engine and electric motor. This allows it to achieve performance on par with a V8, with a 0-60 mph acceleration time of approximately 5.6 seconds.
You can watch this video to see a review of the 2007 Lexus GS450h: 1mHondata97YouTube · Nov 12, 2023
- Combined Horsepower: The total system output is consistently between 338 and 340 horsepower across various model years.
- Engine and Electric Motor: This power comes from a combination of a 3.5L V6 gasoline engine and electric motor-generators.
- Performance: The powerful hybrid system provides strong acceleration, with a 0-60 mph time of around 5.6 seconds, which was comparable to V8 models of the time.
This video reviews the 2018 Lexus GS 450h: 58sRedline ReviewsYouTube · Aug 14, 2018
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.
What are common GS 450h problems?
If so, there are two main problems commonly associated with this gearbox: a known issue with low pressure transmission fluid and an incorrect gear ratio. Typical symptoms of these faults include the check engine management warning light appearing on the dashboard and/or the check hybrid system warning light.
