What is the gas mileage on a Lexus GS 450h?
The Lexus GS 450h typically achieves about 29 mpg combined, with around 26 mpg in city driving and 34 mpg on the highway, though exact numbers vary by model year and drivetrain.
The GS 450h is Lexus' hybrid version of the midsize GS sedan. It pairs a 3.5-liter V6 with electric motors to maximize efficiency without sacrificing luxury or performance. Because the car uses multiple power sources and has different drive modes, official figures can vary by year and configuration. This article breaks down the typical figures and factors that influence real-world mileage.
Fuel-economy basics for the GS 450h
Official EPA numbers are published per model year and can differ slightly across configurations. Here is a representative estimate for most U.S. GS 450h variants.
- EPA fuel-economy estimate: roughly 26 mpg city, 34 mpg highway, 29 mpg combined.
These figures are approximate and reflect typical US-market GS 450h models. Real-world mileage can be higher or lower depending on conditions and maintenance.
Real-world factors that affect mileage
Fuel efficiency is influenced by how the car is driven and maintained. The hybrid system operates differently in urban versus highway driving, and battery health can also play a role. Below are common elements that affect mpg.
- Driving style: smooth, steady acceleration and longer highway trips tend to improve mpg; aggressive driving reduces it.
- Battery and hybrid health: older or degraded energy storage can limit electric assist, reducing efficiency.
- Tire pressure and rolling resistance: under-inflated tires or worn tires increase fuel use.
- Climate-control usage: air conditioning and cabin heaters pull power from the system, lowering mpg.
- Vehicle load and aerodynamics: roof racks, heavy payload, or roof boxes can raise drag and lower efficiency.
To optimize mpg, keep tires inflated, perform regular maintenance, and use eco modes sensibly depending on conditions.
Summary
The GS 450h offers a balanced combination of luxury and efficiency for a hybrid sedan. Expect around 29 mpg combined on average, with city driving typically lower than highway. For precise figures, refer to the EPA ratings for your specific model year and drivetrain configuration.
Is the Lexus GS450h a good car?
The GS450h is an unquestionably good car in some respects and controversial in others, which is just how it ought to be. If you side with the Lexus in those areas, it might make a fine alternative to a 5-series.
How many miles per gallon does a GS 450 get?
Despite its power, the GS 450h maintains impressive fuel efficiency at about 25 MPG, offering a perfect balance for drivers who desire both speed and eco-consciousness.
What is the real mpg of the Lexus 450h?
Lexus RX450h ECONOMY AND EMISSIONS
So how do these figures translate to real life? At 50mph the RX450h averaged 58.5mpg. At 60mph this reduced to 48.7mpg. At 70mph this dropped to 40mpg.
How many miles per gallon does a 2015 GS450h get?
31 MPG
