2003 · Wagon · Gas
2003 Lexus RX MPG & fuel economy
The 2003 Lexus RX is a wagon offered in 2 EPA-rated configurations. The most efficient version returns 18 MPG combined (17 city / 21 highway) on regular gasoline. Efficiency is unchanged from the 2002 model. Among 7 wagons rated for 2003, it ranks 4th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,583 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2003 Lexus RX's fuel average is 7.7 km/L (13.1 L/100 km), or 18 MPG combined: 7.2 km/L in the city and 8.9 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 17 | 7.2 | 13.8 |
| Highway | 21 | 8.9 | 11.2 |
| Combined | 18 | 7.7 | 13.1 |
How it ranks among 2003 Wagons
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
RX MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 3.0L 6-cyl · 4-speed automatic RX 300 |
Gas | 17 MPG | 21 MPG | 18 MPG | — | $2,583 |
| 4WD/AWD · 3.0L 6-cyl · 4-speed automatic RX 300 4WD |
Gas | 16 MPG | 21 MPG | 18 MPG | — | $2,583 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.0L 6-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 104 cu ft
- Cargo volume
- 32 cu ft
- Tailpipe CO₂
- 494 g/mi
2003 Lexus RX vs. rivals
Compare the 2003 RX
With any other car from any year, including other RX model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2003 Lexus RX?
Up to 18 MPG combined (17 city / 21 highway).
What fuel does the 2003 Lexus RX use?
Regular gasoline.
What is the fuel average in km/L for the 2003 Lexus RX?
The 2003 Lexus RX's fuel average is 7.7 km/L (13.1 L/100 km), or 18 MPG combined: 7.2 km/L in the city and 8.9 km/L on the highway.
How much does it cost to fuel the 2003 Lexus RX per year?
About $2,583 at 15,000 miles a year with $3.10/gal regular gas, or $17.22 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.