Lexus LS 400 MPG and Fuel Economy
Lexus have been manufacturing models of LS 400 for 11 years, with the latest vehicle in 2000 having a combined MPG of 19.
The estimated fuel cost for the 2000 Lexus LS 400 is $3,900 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $8,000 more on fuel driving a 2000 Lexus LS 400.
🛢 The Lexus LS 400 will consume roughly 16 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Lexus LS 400 will emit -1 grams of CO2, which is about -15,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the Lexus LS 400.
The table below is a complete list of the 11 Lexus LS 400 fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2000 Lexus LS 400 | 19 | $3,900 |
| 1999 Lexus LS 400 | 19 | $3,900 |
| 1998 Lexus LS 400 | 19 | $3,900 |
| 1997 Lexus LS 400 | 19 | $3,900 |
| 1996 Lexus LS 400 | 19 | $3,900 |
| 1995 Lexus LS 400 | 19 | $3,900 |
| 1994 Lexus LS 400 | 18 | $4,100 |
| 1993 Lexus LS 400 | 18 | $4,100 |
| 1992 Lexus LS 400 | 18 | $4,100 |
| 1991 Lexus LS 400 | 18 | $4,100 |
| 1990 Lexus LS 400 | 18 | $4,100 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/lexus/ls-400">Lexus LS 400 MPG and Fuel Economy</a>
"Lexus LS 400 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/lexus/ls-400.
"Lexus LS 400 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/lexus/ls-400. Accessed January 3, 2026.
Lexus LS 400 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/lexus/ls-400.