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 2004 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.
In real driving: owners who log fill-ups at fueleconomy.gov average 19.2 MPG in the LS 430 (9 drivers), about 426 miles on a full 22.2-gallon tank.
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.
Other 2004 sedans of a similar size, one model per brand.
2004 Lexus LS 430 fuel system recalls
NHTSA lists 1 fuel-system recall for the 2004 Lexus LS 430, out of 3 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Delivery · Fuel pumpJun 25, 2004 · NHTSA 04V295000 · Toyota Motor North America, Inc. · 14,259 vehicles
On certain passenger vehicles, the impeller inside the fuel pump may have been improperly molded due to a manufacturing error. Alcohol in some fuels may deform the impeller and cause it to come into contact with the pump housing.
Risk and remedy
Risk: This condition could increase the rotational resistance of the impeller and, in the worst case, may result in failure of the fuel pump.
Remedy: Dealers will replace the fuel pump. Owners will be notified in july, 2004. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact lexus at 1-800-255-3987.
What is the fuel tank capacity of the 2004 Lexus LS 430?
The 2004 Lexus LS 430 holds 22.2 gallons (84 liters).
How many gallons and liters does the 2004 Lexus LS 430 gas tank hold?
The 2004 Lexus LS 430 tank holds 84 liters, or 22.2 gallons in US gallons.
How far can a 2004 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 2004 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.
How many miles does a 2004 Lexus LS 430 really get on a tank?
Drivers who log their fill-ups at fueleconomy.gov average 19.2 MPG in the 2004 Lexus LS 430 (9 drivers), which works out to about 426 miles on a full 22.2-gallon tank.
What gas does the 2004 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 2004 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 2004 Lexus LS 430?
About 138 pounds for the 22.2-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2004 Lexus LS 430 have a bigger gas tank than the INFINITI Q45?
Yes. The 2004 Lexus LS 430 holds up to 22.2 gallons; the 2004 INFINITI Q45 holds up to 21.4.
Has the 2004 Lexus LS 430 had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2004 Lexus LS 430: 04V295000 (delivery · fuel pump). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
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).