2019 Genesis G80 Gas Tank Size & Fuel Capacity
Fuel tank capacity
20.3gal · 77 L
The 2019 Genesis G80 has a fuel tank capacity of 20.3 gallons (77 liters) on every trim.
A full tank is good for roughly 467–548 highway miles or 305–386 miles around town, going by the EPA ratings.
20.3 gal · Bigger than 73% of 2019 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- FAQ
2019 Genesis G80 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 6 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | Fuel | MPG city / hwy | Range city / hwy |
|---|---|---|---|---|---|---|
| 3.3T Sport 4dr Sedan 3.3L 6cyl Turbo 8A · RWD · Premium (recommended) MPG 17 / 25Range 345 / 508 mi | 3.3L 6cyl Turbo 8A | RWD | 20.3 gal77 L | Premiumrecommended | 17 / 25 | 345 / 508 mi |
| 3.3T Sport 4dr Sedan AWD 3.3L 6cyl Turbo 8A · AWD · Premium (recommended) MPG 17 / 24Range 345 / 487 mi | 3.3L 6cyl Turbo 8A | AWD | 20.3 gal77 L | Premiumrecommended | 17 / 24 | 345 / 487 mi |
| 3.8 4dr Sedan 3.8L 6cyl 8A · RWD · Regular MPG 19 / 27Range 386 / 548 mi | 3.8L 6cyl 8A | RWD | 20.3 gal77 L | Regular | 19 / 27 | 386 / 548 mi |
| 3.8 4dr Sedan AWD 3.8L 6cyl 8A · AWD · Regular MPG 18 / 25Range 365 / 508 mi | 3.8L 6cyl 8A | AWD | 20.3 gal77 L | Regular | 18 / 25 | 365 / 508 mi |
| 5.0 Ultimate 4dr Sedan 5.0L 8cyl 8A · RWD · Premium (recommended) MPG 16 / 24Range 325 / 487 mi | 5.0L 8cyl 8A | RWD | 20.3 gal77 L | Premiumrecommended | 16 / 24 | 325 / 487 mi |
| 5.0 Ultimate 4dr Sedan AWD 5.0L 8cyl 8A · AWD · Premium (recommended) MPG 15 / 23Range 305 / 467 mi | 5.0L 8cyl 8A | AWD | 20.3 gal77 L | Premiumrecommended | 15 / 23 | 305 / 467 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 2019 Genesis G80 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 20.3-gallon tank covers about 406 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 20.3 | 508 | 345 |
| 3/4 | 15.2 | 381 | 259 |
| 1/2 | 10.2 | 254 | 173 |
| 1/4 | 5.1 | 127 | 86 |
| 1/8 | 2.5 | 63 | 43 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 750 gallons, roughly 37 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
- 442–503 g/mi
- EPA greenhouse score
- 3–4 of 10
- Source
- EPA ratings
What it costs to fill up a 2019 Genesis G80
$107.18 to fill the 20.3-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 |
|---|---|---|---|---|
| 20.3 gal | Premium | $5.28 | $107.18 | $80.39 |
| 20.3 gal | Regular | $4.27 | $86.68 | $65.01 |
By region, 20.3-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $100.08 |
| Midwest | $5.37 | $109.01 |
| Gulf CoastLowest | $4.57 | $92.77 |
| Rocky Mountain | $5.12 | $103.94 |
| West Coast | $6.08 | $123.42 |
| CaliforniaHighest | $6.36 | $129.11 |
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
- 20.3-gallon tank$107.18
- 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.
G80 tank size in other years
The 2019 G80 uses the same 20.3 gal tank as every G80 since 2019.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2024 G80 | 17.2–19.3 gal | 516 mi |
| 2023 G80 | 17.2–19.3 gal | 550 mi |
| 2022 G80 | 17.2–19.3 gal | 550 mi |
| 2021 G80 | 17.2–19.3 gal | 550 mi |
| 2020 G80 | 20.3 gal | 528 mi |
| 2019 G80 | 20.3 gal | 548 mi |
| 2017 G80 | 20.3 gal | 568 mi |
2019 Genesis G80 vs similar 2019 sedans
At 20.3 gallons, the G80's largest tank ranks third of the six 2019 sedans compared here. The Porsche Panamera carries the most (23.7 gal) and the Lincoln Continental the least (18.0 gal).
| 2019 model | Tank | Longest highway range |
|---|---|---|
| Porsche Panamera | 21.1–23.7 gal | 640 mi |
| Mercedes-Benz CLS-Class | 21.1 gal | 654 mi |
| Genesis G80 | 20.3 gal | 548 mi |
| Audi A7 | 19.3 gal | 560 mi |
| Cadillac CT6-V | 19.2 gal | 480 mi |
| Lincoln Continental | 18.0 gal | 486 mi |
Other 2019 sedans of a similar size, one model per brand.
2019 Genesis G80 fuel system recalls
None of the 4 recalls NHTSA lists for the 2019 Genesis G80 involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2019 Genesis G80?
The 2019 Genesis G80 holds 20.3 gallons (77 liters) on every trim we list.
How many gallons and liters does the 2019 Genesis G80 gas tank hold?
The 2019 Genesis G80 tank holds 77 liters, or 20.3 gallons in US gallons.
Does AWD change the 2019 Genesis G80 gas tank?
No. RWD and AWD versions of the 2019 Genesis G80 use the same 20.3 gal tank.
How far can a 2019 Genesis G80 go on a full tank?
About 467–548 miles on the highway and 305–386 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 2019 Genesis G80 go on a quarter tank?
About 127 highway miles or 86 in town from the 20.3-gallon tank, which has roughly 5.1 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2019 Genesis G80 take?
Premium unleaded (recommended), or Regular unleaded, depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2019 Genesis G80?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 20.3-gallon tank from empty costs $107.18. It ranges from $92.77 in the Gulf Coast to $129.11 in California.
How much does a full tank of gas weigh in a 2019 Genesis G80?
About 126 pounds for the 20.3-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2019 Genesis G80 have a bigger gas tank than the Porsche Panamera?
No. The 2019 Porsche Panamera holds up to 23.7 gallons; the 2019 Genesis G80 holds up to 20.3.
Has the 2019 Genesis G80 had a fuel pump or fuel system recall?
No. None of the 4 recalls NHTSA lists for the 2019 Genesis G80 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.