How many miles per gallon does a 2003 Lexus GS300 get?
The 2003 Lexus GS300 typically achieves about 23 miles per gallon combined in everyday driving, with around 20 mpg in the city and 28 mpg on the highway for the common rear-wheel-drive version. All-wheel-drive models tend to be a touch lower. This article explains the official EPA estimates and what drivers usually experience.
EPA fuel economy ratings for the 2003 GS300
EPA ratings provide a baseline for comparison and vary by drivetrain, transmission, and tire size. Here are the figures most commonly cited for the 2003 GS300 with an automatic transmission:
- Rear-wheel drive (RWD) with automatic: 20 mpg city / 28 mpg highway; combined around 23 mpg.
- All-wheel drive (AWD) with automatic: 19 mpg city / 23–24 mpg highway; combined around 21–22 mpg.
Note: Individual window stickers may show slight variations due to tire choices and market-specific configurations.
Real-world performance and factors affecting MPG
In everyday driving, the GS300’s fuel economy can deviate from EPA estimates based on how and where you drive. The following factors commonly influence mpg:
Key factors impacting fuel economy
- Driving style: rapid acceleration, aggressive cruising, and high speeds can significantly reduce MPG.
- Terrain and climate: city driving with lots of stops lowers MPG more than steady highway cruising; cold weather can also reduce efficiency.
- Maintenance and condition: a clean air filter, fresh spark plugs, proper engine tune, and correct tire pressure help preserve efficiency.
- Tire size and inflation: under-inflated or wider tires raise rolling resistance and lower MPG.
- Vehicle age and mileage: older engines may be less efficient and lose fuel economy over time.
Real-world results for many GS300 owners tend to fall in the low-to-mid 20s MPG in mixed driving, with higher numbers on long highway trips and lower numbers in urban conditions.
Summary
In summary, the 2003 Lexus GS300 delivers approximately 23 mpg combined in rear-wheel-drive form (about 20 mpg city and 28 mpg highway) and around 21–22 mpg combined if equipped with all-wheel drive. Real-world mileage typically sits in the low-to-mid 20s, depending on driving conditions and maintenance.
How much is a 2003 Lexus GS300 worth?
The value of a used 2003 Lexus GS 300 ranges from $1,261 to $2,713, based on vehicle condition, mileage, and options. Get a free appraisal here.
Does the Lexus GS300 require premium gas?
Most Lexus vehicles, particularly those with turbocharged or performance-focused engines, require premium gas. If you're driving any of these models, be sure to fill up with 91-octane or higher: Lexus IS (IS 300, IS 350, IS 500)
Is the GS 300 expensive to maintain?
The estimated cost to maintain and repair a Lexus GS300 ranges from $105 to $3599, with an average of $416.
Is the 2003 Lexus GS300 a good car?
Among the 305 owners who provided feedback on the 2003 Lexus GS for Kelley Blue Book, consumer sentiment is overwhelmingly positive, with 98% recommending the vehicle. Consumers rated the vehicle's comfort 4.8 out of 5 stars, performance 4.8 out of 5 stars, and value 4.8 out of 5 stars.
