- Newest year: 2018
- Gas
- Small cars
2018 Buick Cascada MPG & Fuel Cost
1 configuration · 24 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 small car configurations, MY2018. Ranked against all rated configurations, not sales-weighted.
2018 Buick Cascada at a glance
The 2018 Buick Cascada has 1 configuration in the EPA database, rated 24 MPG combined. The most efficient is the Cascada 1.6L 4-cyl turbo FWD at 24 MPG, which costs about $3,370 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The Cascada 1.6L 4-cyl turbo FWD costs less to fuel than 4 of 10 small car configurations rated for MY2018 (class median $3,170 a year).
What the 2018 Cascada 1.6L 4-cyl turbo FWD costs to drive
Per month
$281
$3,370 a year ÷ 12
Per 25 miles
$5.62
Per 100 miles
$22.47
Five years
$16,850
5 × the yearly cost, prices held at today's level
vs the small car median
$200more a year
Class median $3,170 a year, MY2018
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2018 Buick Cascada MPG
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Cascada (Most efficient) | 1.6L 4-cyl turbo | FWD | 21 | 29 | 24 | $3,370 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the Cascada 1.6L 4-cyl turbo FWD: $4,020 in California and $2,930 in Texas, a $1,090 difference.
- California $4,020
- Washington $3,780
- New York $3,330
- Florida $3,080
- Texas $2,930
Similar cars
Closest combined MPG among MY2018 small car models.
Generations
Frequently asked questions
How does the 2018 Buick Cascada compare with the previous generation?
The previous generation (2017 Buick Cascada) is rated 23 MPG combined and costs $3,570 a year to fuel; the 2018 model is rated 24 MPG and costs $3,370 a year.
What gas mileage does the 2018 Buick Cascada get?
EPA rates the 2018 Buick Cascada at 24 MPG combined across 1 configuration. The most efficient, the Cascada 1.6L 4-cyl turbo FWD, is rated 24 MPG combined (21 city / 29 highway).
How much does it cost to fuel a 2018 Buick Cascada per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the Cascada 1.6L 4-cyl turbo FWD costs about $3,370 a year. Across all 1 configuration the cost runs $3,370 a year.
How much does it cost to drive a 2018 Buick Cascada 100 miles?
About $22.47 per 100 miles for the Cascada 1.6L 4-cyl turbo FWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2018 Buick Cascada more efficient in the city or on the highway?
The Cascada 1.6L 4-cyl turbo FWD is rated 21 city and 29 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2018 Buick Cascada compare with other small car configurations?
The Cascada 1.6L 4-cyl turbo FWD costs about $3,370 a year to fuel, $200 more than the class median of $3,170, and less than 4 of 10 small car configurations. The comparison covers all 365 rated small car configurations for MY2018, not weighted by sales.
Is the 2018 Buick Cascada different from the 2017 model?
The most efficient configuration moves from 23 to 24 MPG, up 1. Its annual cost goes from $3,570 to $3,370, $200 less. EPA lists 1 configuration for 2018 against 1 configuration for 2017. See the 2017 Buick Cascada for that year.