2023 Lexus LC 500 Convertible Gas Tank Size & Fuel Capacity
Fuel tank capacity
21.7gal · 82 L
The 2023 Lexus LC 500 Convertible has a fuel tank capacity of 21.7 gallons (82 liters).
A full tank is good for roughly 543 highway miles or 326 miles around town, going by the EPA ratings.
21.7 gal · Bigger than 73% of 2023 models we list.
Listed separately: 2023 Lexus LC 500 (21.7 gal).
2023 Lexus LC 500 Convertible fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 2dr Convertible 5.0L 8cyl 10A · RWD MPG 15 / 25Range 326 / 543 mi | 5.0L 8cyl 10A | RWD | 21.7 gal82 L | 15 / 25 | 326 / 543 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 2023 Lexus LC 500 Convertible 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 21.7-gallon tank covers about 391 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 21.7 | 543 | 326 |
| 3/4 | 16.3 | 407 | 244 |
| 1/2 | 10.9 | 271 | 163 |
| 1/4 | 5.4 | 136 | 81 |
| 1/8 | 2.7 | 68 | 41 |
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
- 489 g/mi
- EPA greenhouse score
- 4 of 10
- Source
- EPA ratings
What it costs to fill up a 2023 Lexus LC 500 Convertible
$114.58 to fill the 21.7-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 |
|---|---|---|---|---|
| 21.7 gal | Premium | $5.28 | $114.58 | $85.93 |
By region, 21.7-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $106.98 |
| Midwest | $5.37 | $116.53 |
| Gulf CoastLowest | $4.57 | $99.17 |
| Rocky Mountain | $5.12 | $111.10 |
| West Coast | $6.08 | $131.94 |
| CaliforniaHighest | $6.36 | $138.01 |
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
- 21.7-gallon tank$114.58
- 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.
LC 500 Convertible tank size in other years
The 2023 LC 500 Convertible uses the same 21.7 gal tank as every LC 500 Convertible since 2021.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2023 LC 500 Convertible | 21.7 gal | 543 mi |
| 2022 LC 500 Convertible | 21.7 gal | 543 mi |
| 2021 LC 500 Convertible | 21.7 gal | 543 mi |
2023 Lexus LC 500 Convertible vs similar 2023 convertibles
The LC 500 Convertible has the largest tank of the four 2023 convertibles compared here, 21.7 gallons against 20.1 for the BMW M8.
| 2023 model | Tank | Longest highway range |
|---|---|---|
| Lexus LC 500 Convertible | 21.7 gal | 543 mi |
| BMW M8 | 20.1 gal | 422 mi |
| Mercedes-Benz C-Class | 17.4 gal | 609 mi |
| Audi S5 | 15.3 gal | 459 mi |
Other 2023 convertibles of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2023 Lexus LC 500 Convertible?
The 2023 Lexus LC 500 Convertible holds 21.7 gallons (82 liters).
How many gallons and liters does the 2023 Lexus LC 500 Convertible gas tank hold?
The 2023 Lexus LC 500 Convertible tank holds 82 liters, or 21.7 gallons in US gallons.
How far can a 2023 Lexus LC 500 Convertible go on a full tank?
About 543 miles on the highway and 326 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 2023 Lexus LC 500 Convertible go on a quarter tank?
About 136 highway miles or 81 in town from the 21.7-gallon tank, which has roughly 5.4 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2023 Lexus LC 500 Convertible take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2023 Lexus LC 500 Convertible?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 21.7-gallon tank from empty costs $114.58. It ranges from $99.17 in the Gulf Coast to $138.01 in California.
How much does a full tank of gas weigh in a 2023 Lexus LC 500 Convertible?
About 135 pounds for the 21.7-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2023 Lexus LC 500 Convertible have a bigger gas tank than the BMW M8?
Yes. The 2023 Lexus LC 500 Convertible holds up to 21.7 gallons; the 2023 BMW M8 holds up to 20.1.
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).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.