2005 Lexus LS 430 Gas Tank Size & Fuel Capacity
Fuel tank capacity
22.2gal · 84 L
The 2005 Lexus LS 430 has a fuel tank capacity of 22.2 gallons (84 liters).
A full tank is good for roughly 511 highway miles or 355 miles around town, going by the EPA ratings.
22.2 gal · Bigger than 66% of 2005 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
2005 Lexus LS 430 fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 4dr Sedan 4.3L 8cyl 6A · RWD MPG 16 / 23Range 355 / 511 mi | 4.3L 8cyl 6A | RWD | 22.2 gal84 L | 16 / 23 | 355 / 511 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 2005 Lexus LS 430 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 18 MPG, a full 22.2-gallon tank covers about 400 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 22.2 | 511 | 355 |
| 3/4 | 16.7 | 383 | 266 |
| 1/2 | 11.1 | 255 | 178 |
| 1/4 | 5.6 | 128 | 89 |
| 1/8 | 2.8 | 64 | 44 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 833 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.
- EPA combined
- 18 MPG
- Tailpipe CO2
- 494 g/mi
- Source
- EPA ratings
What it costs to fill up a 2005 Lexus LS 430
$117.22 to fill the 22.2-gallon tank from empty with premium, at this week's US average of $5.28 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 22.2 gal | Premium | $5.28 | $117.22 | $87.91 |
By region, 22.2-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $109.45 |
| Midwest | $5.37 | $119.21 |
| Gulf CoastLowest | $4.57 | $101.45 |
| Rocky Mountain | $5.12 | $113.66 |
| West Coast | $6.08 | $134.98 |
| CaliforniaHighest | $6.36 | $141.19 |
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
- 22.2-gallon tank$117.22
- A year of driving (15,000 mi)$4,400
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
LS 430 tank size in other years
The 2005 LS 430 uses the same 22.2 gal tank as every LS 430 since 2001.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2006 LS 430 | 22.2 gal | 511 mi |
| 2005 LS 430 | 22.2 gal | 511 mi |
| 2004 LS 430 | 22.2 gal | 511 mi |
| 2003 LS 430 | 22.2 gal | 511 mi |
| 2002 LS 430 | 22.2 gal | 511 mi |
| 2001 LS 430 | 22.2 gal | 511 mi |
2005 Lexus LS 430 vs similar 2005 sedans
The LS 430 has the largest tank of the seven 2005 sedans compared here, 22.2 gallons against 21.4 for the INFINITI Q45.
| 2005 model | Tank | Longest highway range |
|---|---|---|
| Lexus LS 430 | 22.2 gal | 511 mi |
| INFINITI Q45 | 21.4 gal | 471 mi |
| Mercedes-Benz E-Class | 21.1 gal | 696 mi |
| Audi A6 | 21.1 gal | 506 mi |
| Acura RL | 19.4 gal | 466 mi |
| Jaguar S-Type | 18.4 gal | 460 mi |
| Cadillac STS | 17.0 gal | 391 mi |
Other 2005 sedans of a similar size, one model per brand.
2005 Lexus LS 430 fuel system recalls
None of the 1 recall NHTSA lists for the 2005 Lexus LS 430 involve the fuel system.
2005 Lexus LS 430 fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2005 Lexus LS 430, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.
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Frequently asked questions
What is the fuel tank capacity of the 2005 Lexus LS 430?
The 2005 Lexus LS 430 holds 22.2 gallons (84 liters).
How many gallons and liters does the 2005 Lexus LS 430 gas tank hold?
The 2005 Lexus LS 430 tank holds 84 liters, or 22.2 gallons in US gallons.
How far can a 2005 Lexus LS 430 go on a full tank?
About 511 miles on the highway and 355 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 2005 Lexus LS 430 go on a quarter tank?
About 128 highway miles or 89 in town from the 22.2-gallon tank, which has roughly 5.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2005 Lexus LS 430 take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2005 Lexus LS 430?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 22.2-gallon tank from empty costs $117.22. It ranges from $101.45 in the Gulf Coast to $141.19 in California.
How much does a full tank of gas weigh in a 2005 Lexus LS 430?
About 138 pounds for the 22.2-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2005 Lexus LS 430 have a bigger gas tank than the Cadillac STS?
Yes. The 2005 Lexus LS 430 holds up to 22.2 gallons; the 2005 Cadillac STS holds up to 17.0.
Has the 2005 Lexus LS 430 had a fuel pump or fuel system recall?
No. None of the 1 recall NHTSA lists for the 2005 Lexus LS 430 involve the fuel system.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings (fueleconomy.gov). Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
- Recalls: NHTSA recall database (Lexus fuel system recalls).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.