2019 Buick Cascada Gas Tank Size & Fuel Capacity
Fuel tank capacity
14.3gal · 54 L
The 2019 Buick Cascada has a fuel tank capacity of 14.3 gallons (54 liters) on every trim.
A full tank is good for roughly 415 highway miles or 300 miles around town, going by the EPA ratings.
14.3 gal · Smaller than 79% of 2019 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Pump & gauge parts
- FAQ
2019 Buick Cascada fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 2dr Convertible 1.6L 4cyl Turbo 6A · FWD MPG 21 / 29Range 300 / 415 mi | 1.6L 4cyl Turbo 6A | FWD | 14.3 gal54 L | 21 / 29 | 300 / 415 mi | |
| Premium 2dr Convertible 1.6L 4cyl Turbo 6A · FWD MPG 21 / 29Range 300 / 415 mi | 1.6L 4cyl Turbo 6A | FWD | 14.3 gal54 L | 21 / 29 | 300 / 415 mi | |
| Sport Touring 2dr Convertible 1.6L 4cyl Turbo 6A · FWD MPG 21 / 29Range 300 / 415 mi | 1.6L 4cyl Turbo 6A | FWD | 14.3 gal54 L | 21 / 29 | 300 / 415 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 Buick Cascada 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 24 MPG, a full 14.3-gallon tank covers about 343 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 14.3 | 415 | 300 |
| 3/4 | 10.7 | 311 | 225 |
| 1/2 | 7.2 | 207 | 150 |
| 1/4 | 3.6 | 104 | 75 |
| 1/8 | 1.8 | 52 | 38 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 625 gallons, roughly 44 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
- 24 MPG
- Tailpipe CO2
- 373 g/mi
- EPA greenhouse score
- 5 of 10
- Source
- EPA ratings
What it costs to fill up a 2019 Buick Cascada
$75.50 to fill the 14.3-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 |
|---|---|---|---|---|
| 14.3 gal | Premium | $5.28 | $75.50 | $56.63 |
By region, 14.3-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $70.50 |
| Midwest | $5.37 | $76.79 |
| Gulf CoastLowest | $4.57 | $65.35 |
| Rocky Mountain | $5.12 | $73.22 |
| West Coast | $6.08 | $86.94 |
| CaliforniaHighest | $6.36 | $90.95 |
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
- 14.3-gallon tank$75.50
- A year of driving (15,000 mi)$3,300
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
Cascada tank size in other years
The 2019 Cascada uses the same 14.3 gal tank as every Cascada since 2016.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2019 Cascada | 14.3 gal | 415 mi |
| 2018 Cascada | 14.3 gal | 415 mi |
| 2017 Cascada | 14.3 gal | 386 mi |
| 2016 Cascada | 14.3 gal | 386 mi |
2019 Buick Cascada vs similar 2019 convertibles
The Cascada has the smallest tank of the two 2019 convertibles compared here: 14.3 gallons, against 18.5 for the Chevrolet Corvette.
| 2019 model | Tank | Longest highway range |
|---|---|---|
| Chevrolet Corvette | 18.5 gal | 463 mi |
| Buick Cascada | 14.3 gal | 415 mi |
Other 2019 convertibles of a similar size, one model per brand.
2019 Buick Cascada fuel pump and gauge parts
These are the part numbers the makers list for the 2019 Buick Cascada. Check the fuel system recalls first: recall repairs are free.
As an Amazon Associate we earn from qualifying purchases.
Frequently asked questions
What is the fuel tank capacity of the 2019 Buick Cascada?
The 2019 Buick Cascada holds 14.3 gallons (54 liters) on every trim we list.
How many gallons and liters does the 2019 Buick Cascada gas tank hold?
The 2019 Buick Cascada tank holds 54 liters, or 14.3 gallons in US gallons.
How far can a 2019 Buick Cascada go on a full tank?
About 415 miles on the highway and 300 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 Buick Cascada go on a quarter tank?
About 104 highway miles or 75 in town from the 14.3-gallon tank, which has roughly 3.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2019 Buick Cascada take?
Premium unleaded (recommended). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2019 Buick Cascada?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 14.3-gallon tank from empty costs $75.50. It ranges from $65.35 in the Gulf Coast to $90.95 in California.
How much does a full tank of gas weigh in a 2019 Buick Cascada?
About 89 pounds for the 14.3-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2019 Buick Cascada have a bigger gas tank than the Chevrolet Corvette?
No. The 2019 Chevrolet Corvette holds up to 18.5 gallons; the 2019 Buick Cascada holds up to 14.3.
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.