2025 Lexus RC Gas Tank Size & Fuel Capacity
Fuel tank capacity
17.4–17.5gal · 66–66 L
The 2025 Lexus RC has a fuel tank capacity of 17.4 to 17.5 gallons (66–66 liters), depending on the trim. The most common size is 17.5 gallons, used on 8 trims.
A full tank is good for roughly 418–543 highway miles or 278–368 miles around town, going by the EPA ratings.
17.5 gal · Smaller than 53% of 2025 models we list.
2025 Lexus RC fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- Engine
All 9 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| F Final Edition 2dr Coupe 5.0L 8cyl 8A · RWD MPG 16 / 24Range 278 / 418 mi | 5.0L 8cyl 8A | RWD | 17.4 gal66 L | 16 / 24 | 278 / 418 mi | |
| 300 2dr Coupe 2.0L 4cyl Turbo 8A · RWD MPG 21 / 31Range 368 / 543 mi | 2.0L 4cyl Turbo 8A | RWD | 17.5 gal66 L | 21 / 31 | 368 / 543 mi | |
| 300 2dr Coupe AWD 3.5L 6cyl 6A · AWD MPG 19 / 26Range 333 / 455 mi | 3.5L 6cyl 6A | AWD | 17.5 gal66 L | 19 / 26 | 333 / 455 mi | |
| 300 F SPORT 2dr Coupe 2.0L 4cyl Turbo 8A · RWD MPG 21 / 31Range 368 / 543 mi | 2.0L 4cyl Turbo 8A | RWD | 17.5 gal66 L | 21 / 31 | 368 / 543 mi | |
| 300 F SPORT 2dr Coupe AWD 3.5L 6cyl 6A · AWD MPG 19 / 26Range 333 / 455 mi | 3.5L 6cyl 6A | AWD | 17.5 gal66 L | 19 / 26 | 333 / 455 mi | |
| 350 2dr Coupe 3.5L 6cyl 8A · RWD MPG 20 / 28Range 350 / 490 mi | 3.5L 6cyl 8A | RWD | 17.5 gal66 L | 20 / 28 | 350 / 490 mi | |
| 350 2dr Coupe AWD 3.5L 6cyl 6A · AWD MPG 19 / 26Range 333 / 455 mi | 3.5L 6cyl 6A | AWD | 17.5 gal66 L | 19 / 26 | 333 / 455 mi | |
| 350 F SPORT 2dr Coupe 3.5L 6cyl 8A · RWD MPG 20 / 28Range 350 / 490 mi | 3.5L 6cyl 8A | RWD | 17.5 gal66 L | 20 / 28 | 350 / 490 mi | |
| 350 F SPORT 2dr Coupe AWD 3.5L 6cyl 6A · AWD MPG 19 / 26Range 333 / 455 mi | 3.5L 6cyl 6A | AWD | 17.5 gal66 L | 19 / 26 | 333 / 455 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 2025 Lexus RC 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 22 MPG, a full 17.5-gallon tank covers about 385 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 17.5 | 455 | 333 |
| 3/4 | 13.1 | 341 | 249 |
| 1/2 | 8.8 | 228 | 166 |
| 1/4 | 4.4 | 114 | 83 |
| 1/8 | 2.2 | 57 | 42 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 682 gallons, roughly 39 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
- 19–25 MPG
- Tailpipe CO2
- 356–459 g/mi
- EPA greenhouse score
- 4–5 of 10
- Source
- EPA ratings
What it costs to fill up a 2025 Lexus RC
$92.40 to fill the 17.5-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 |
|---|---|---|---|---|
| 17.4 gal | Premium | $5.28 | $91.87 | $68.90 |
| 17.5 gal | Premium | $5.28 | $92.40 | $69.30 |
By region, 17.5-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $86.27 |
| Midwest | $5.37 | $93.98 |
| Gulf CoastLowest | $4.57 | $79.98 |
| Rocky Mountain | $5.12 | $89.60 |
| West Coast | $6.08 | $106.40 |
| CaliforniaHighest | $6.36 | $111.30 |
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
- 17.4-gallon tank$91.87
- 17.5-gallon tank$92.40
- A year of driving (15,000 mi)$3,600
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
RC tank size in other years
The 2025 RC uses the same 17.4–17.5 gal tank sizes as the 2024 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2025 RC | 17.4–17.5 gal | 543 mi |
| 2024 RC | 17.4–17.5 gal | 543 mi |
2025 Lexus RC vs similar 2025 coupes
The RC has the largest tank of the three 2025 coupes compared here, 17.5 gallons against 16.9 for the Porsche 911.
| 2025 model | Tank | Longest highway range |
|---|---|---|
| Lexus RC | 17.4–17.5 gal | 543 mi |
| Porsche 911 | 16.6–16.9 gal | 415 mi |
| BMW M4 CS | 15.6 gal | 359 mi |
Other 2025 coupes of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2025 Lexus RC?
The 2025 Lexus RC holds between 17.4 and 17.5 gallons, depending on the trim. 17.5 gallons is the usual size; the smaller 17.4-gallon tank is on the F Final Edition 2dr Coupe.
How many gallons and liters does the 2025 Lexus RC gas tank hold?
The 2025 Lexus RC tank holds 66–66 liters, or 17.4–17.5 gallons in US gallons.
Which 2025 Lexus RC has the biggest gas tank?
The 17.5-gallon tank is on the 300 2dr Coupe, 300 2dr Coupe AWD, 300 F SPORT 2dr Coupe and 5 other trims. The smallest tank, 17.4 gallons, is on the F Final Edition 2dr Coupe.
Does AWD change the 2025 Lexus RC gas tank?
Yes. RWD: 17.4–17.5 gal; AWD: 17.5 gal.
How far can a 2025 Lexus RC go on a full tank?
About 418–543 miles on the highway and 278–368 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 2025 Lexus RC go on a quarter tank?
About 114 highway miles or 83 in town from the 17.5-gallon tank, which has roughly 4.4 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2025 Lexus RC take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2025 Lexus RC?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 17.5-gallon tank from empty costs $92.40. It ranges from $79.98 in the Gulf Coast to $111.30 in California.
How much does a full tank of gas weigh in a 2025 Lexus RC?
About 109 pounds for the 17.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2025 Lexus RC have a bigger gas tank than the BMW M4 CS?
Yes. The 2025 Lexus RC holds up to 17.5 gallons; the 2025 BMW M4 CS holds up to 15.6.
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.