2000 Lexus SC 400 Gas Tank Size & Fuel Capacity
Fuel tank capacity
20.6gal · 78 L
The 2000 Lexus SC 400 has a fuel tank capacity of 20.6 gallons (78 liters).
A full tank is good for roughly 474 highway miles or 330 miles around town, going by the EPA ratings.
20.6 gal · Bigger than 68% of 2000 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Pump & gauge parts
- FAQ
2000 Lexus SC 400 fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 2dr Coupe 4.0L 8cyl 5A · RWD MPG 16 / 23Range 330 / 474 mi | 4.0L 8cyl 5A | RWD | 20.6 gal78 L | 16 / 23 | 330 / 474 mi | |
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
How far a 2000 Lexus SC 400 goes on a tank
Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 19 MPG, a full 20.6-gallon tank covers about 391 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 20.6 | 474 | 330 |
| 3/4 | 15.5 | 355 | 247 |
| 1/2 | 10.3 | 237 | 165 |
| 1/4 | 5.2 | 118 | 82 |
| 1/8 | 2.6 | 59 | 41 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 789 gallons, roughly 38 full tanks.
Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.
What it costs to fill up a 2000 Lexus SC 400
$87.96 to fill the 20.6-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 20.6 gal | Regular | $4.27 | $87.96 | $65.97 |
By region, 20.6-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $82.81 |
| Midwest | $4.27 | $87.96 |
| Gulf CoastLowest | $3.70 | $76.22 |
| Rocky Mountain | $4.46 | $91.88 |
| West Coast | $5.42 | $111.65 |
| CaliforniaHighest | $5.89 | $121.33 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 20.6-gallon tank$87.96
- A year of driving (15,000 mi)$3,371
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
SC 400 tank size in other years
The 2000 SC 400 uses the same 20.6 gal tank as every SC 400 since 1992.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2000 SC 400 | 20.6 gal | 474 mi |
| 1999 SC 400 | 20.6 gal | 474 mi |
| 1998 SC 400 | 20.6 gal | 474 mi |
| 1997 SC 400 | 20.6 gal | 433 mi |
| 1996 SC 400 | 20.6 gal | 453 mi |
| 1995 SC 400 | 20.6 gal | 412 mi |
2000 Lexus SC 400 vs similar 2000 coupes
At 20.6 gallons, the SC 400's largest tank ranks second of the three 2000 coupes compared here. The Mercedes-Benz CL-Class carries the most (23.3 gal) and the Cadillac Eldorado the least (19.0 gal).
| 2000 model | Tank | Longest highway range |
|---|---|---|
| Mercedes-Benz CL-Class | 23.3 gal | 489 mi |
| Lexus SC 400 | 20.6 gal | 474 mi |
| Cadillac Eldorado | 19.0 gal | 475 mi |
Other 2000 coupes of a similar size, one model per brand.
2000 Lexus SC 400 fuel pump and gauge parts
These are the part numbers the makers list for the 2000 Lexus SC 400. Check the fuel system recalls first: recall repairs are free.
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Frequently asked questions
What is the fuel tank capacity of the 2000 Lexus SC 400?
The 2000 Lexus SC 400 holds 20.6 gallons (78 liters).
How many gallons and liters does the 2000 Lexus SC 400 gas tank hold?
The 2000 Lexus SC 400 tank holds 78 liters, or 20.6 gallons in US gallons.
How far can a 2000 Lexus SC 400 go on a full tank?
About 474 miles on the highway and 330 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
How many miles can a 2000 Lexus SC 400 go on a quarter tank?
About 118 highway miles or 82 in town from the 20.6-gallon tank, which has roughly 5.2 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2000 Lexus SC 400 take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2000 Lexus SC 400?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 20.6-gallon tank from empty costs $87.96. It ranges from $76.22 in the Gulf Coast to $121.33 in California.
How much does a full tank of gas weigh in a 2000 Lexus SC 400?
About 128 pounds for the 20.6-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2000 Lexus SC 400 have a bigger gas tank than the Cadillac Eldorado?
Yes. The 2000 Lexus SC 400 holds up to 20.6 gallons; the 2000 Cadillac Eldorado holds up to 19.0.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings. Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.