2017 Genesis G90 Gas Tank Size & Fuel Capacity
Fuel tank capacity
21.9gal · 83 L
The 2017 Genesis G90 has a fuel tank capacity of 21.9 gallons (83 liters) on every trim.
A full tank is good for roughly 504–526 highway miles or 329–372 miles around town, going by the EPA ratings.
21.9 gal · Bigger than 78% of 2017 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- FAQ
2017 Genesis G90 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 4 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Premium 4dr Sedan 3.3L 6cyl Turbo 8A · RWD MPG 17 / 24Range 372 / 526 mi | 3.3L 6cyl Turbo 8A | RWD | 21.9 gal83 L | 17 / 24 | 372 / 526 mi | |
| Premium 4dr Sedan AWD 3.3L 6cyl Turbo 8A · AWD MPG 17 / 24Range 372 / 526 mi | 3.3L 6cyl Turbo 8A | AWD | 21.9 gal83 L | 17 / 24 | 372 / 526 mi | |
| Ultimate 4dr Sedan 5.0L 8cyl 8A · RWD MPG 16 / 24Range 350 / 526 mi | 5.0L 8cyl 8A | RWD | 21.9 gal83 L | 16 / 24 | 350 / 526 mi | |
| Ultimate 4dr Sedan AWD 5.0L 8cyl 8A · AWD MPG 15 / 23Range 329 / 504 mi | 5.0L 8cyl 8A | AWD | 21.9 gal83 L | 15 / 23 | 329 / 504 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 2017 Genesis G90 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 20 MPG, a full 21.9-gallon tank covers about 438 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 21.9 | 526 | 372 |
| 3/4 | 16.4 | 394 | 279 |
| 1/2 | 11.0 | 263 | 186 |
| 1/4 | 5.5 | 131 | 93 |
| 1/8 | 2.7 | 66 | 47 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 750 gallons, roughly 34 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
- 18–20 MPG
- Tailpipe CO2
- 448–493 g/mi
- EPA greenhouse score
- 3–4 of 10
- Source
- EPA ratings
What it costs to fill up a 2017 Genesis G90
$115.63 to fill the 21.9-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 |
|---|---|---|---|---|
| 21.9 gal | Premium | $5.28 | $115.63 | $86.72 |
By region, 21.9-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $107.97 |
| Midwest | $5.37 | $117.60 |
| Gulf CoastLowest | $4.57 | $100.08 |
| Rocky Mountain | $5.12 | $112.13 |
| West Coast | $6.08 | $133.15 |
| CaliforniaHighest | $6.36 | $139.28 |
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
- 21.9-gallon tank$115.63
- A year of driving (15,000 mi)$3,960
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
G90 tank size in other years
2017 is the first G90 model year we list.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2022 G90 | 21.9 gal | 526 mi |
| 2021 G90 | 21.9 gal | 526 mi |
| 2020 G90 | 21.9 gal | 548 mi |
| 2019 G90 | 21.9 gal | 526 mi |
| 2018 G90 | 21.9 gal | 526 mi |
| 2017 G90 | 21.9 gal | 526 mi |
2017 Genesis G90 vs similar 2017 sedans
At 21.9 gallons, the G90's largest tank ranks third of the six 2017 sedans compared here. The Mercedes-Benz S-Class carries the most (24.6 gal) and the Cadillac XTS the least (20.0 gal).
| 2017 model | Tank | Longest highway range |
|---|---|---|
| Mercedes-Benz S-Class | 16.6–24.6 gal | 598 mi |
| Porsche Panamera | 23.7 gal | 664 mi |
| Genesis G90 | 21.9 gal | 526 mi |
| Jaguar XJ | 21.7 gal | 586 mi |
| BMW ALPINA B7 | 20.6 gal | 494 mi |
| Cadillac XTS | 19.0–20.0 gal | 532 mi |
Other 2017 sedans of a similar size, one model per brand.
2017 Genesis G90 fuel system recalls
None of the 3 recalls NHTSA lists for the 2017 Genesis G90 involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2017 Genesis G90?
The 2017 Genesis G90 holds 21.9 gallons (83 liters) on every trim we list.
How many gallons and liters does the 2017 Genesis G90 gas tank hold?
The 2017 Genesis G90 tank holds 83 liters, or 21.9 gallons in US gallons.
Does AWD change the 2017 Genesis G90 gas tank?
No. RWD and AWD versions of the 2017 Genesis G90 use the same 21.9 gal tank.
How far can a 2017 Genesis G90 go on a full tank?
About 504–526 miles on the highway and 329–372 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 2017 Genesis G90 go on a quarter tank?
About 131 highway miles or 93 in town from the 21.9-gallon tank, which has roughly 5.5 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2017 Genesis G90 take?
Premium unleaded (recommended). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2017 Genesis G90?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 21.9-gallon tank from empty costs $115.63. It ranges from $100.08 in the Gulf Coast to $139.28 in California.
How much does a full tank of gas weigh in a 2017 Genesis G90?
About 136 pounds for the 21.9-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2017 Genesis G90 have a bigger gas tank than the Mercedes-Benz S-Class?
No. The 2017 Mercedes-Benz S-Class holds up to 24.6 gallons; the 2017 Genesis G90 holds up to 21.9.
Has the 2017 Genesis G90 had a fuel pump or fuel system recall?
No. None of the 3 recalls NHTSA lists for the 2017 Genesis G90 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 (Genesis 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.