The Buick Regal TourX does 24 mpg combined (21 city, 29 highway), which works out to about $1,600 a year in fuel at $3.20 a gallon and 12,000 miles. Against other 4-cyl cars it sits below the average of 25.7 mpg.
Every Buick Regal TourX engine, compared
The Buick Regal TourX was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2L 4-cyl | 21 / 29 | 2018–2020 | $1,600 |
What that actually costs
The Buick Regal TourX burns a gallon every 24 miles, so 12,000 miles takes about 500 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.133 |
| Fuel per year | $1,600 |
| Fuel over five years | $8,000 |
| Against other 4-cyl cars | +$106 a year |
| EPA's own estimate | $3,200 a year |
City or highway — who is this car for
The Buick Regal TourX gives up 8 mpg the moment you leave the motorway — 29 out there against 21 in town, a 38% drop worth $505 a year. A wide gap punishes stop-and-start traffic; a narrow one means the car doesn't care where you drive it.
| Measure | Value | Reading |
|---|---|---|
| City | 21 mpg | $1,829 a year if you only drive in town |
| Highway | 29 mpg | $1,324 a year if you mostly commute |
| Gap | +8 mpg (38%) | Wide — this car dislikes traffic |
How the Regal TourX changed over the years
Combined figure across the 3 model years the Regal TourX was rated in, all of them at 24 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2020 | 21 / 29 | 1 | $1,600 | |
| 2019 | 21 / 29 | 1 | $1,600 | |
| 2018 | 21 / 29 | 1 | $1,600 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 3 EPA ratings of the Buick Regal TourX — 1 engine across 2018–2020. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $3,200. Full method.
Frequently asked questions
What mpg does the Buick Regal TourX get?
24 mpg combined on average — 21 in the city and 29 on the highway, per EPA ratings across 2018–2020.
How much does a Buick Regal TourX cost in fuel per year?
About $1,600 at 12,000 miles and $3.20 a gallon — roughly $8,000 over five years, or 0.133 dollars a mile.
Which Regal TourX engine is the most economical?
The 2L 4-cyl at 24 mpg.
Is the Regal TourX good on fuel compared with similar cars?
Against other 4-cyl cars it sits below the average of 25.7 mpg, computed across 4765 ratings.
Are these real-world Regal TourX figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Buick Regal TourX is $3,200 against the $1,600 we compute at 12,000 miles. Expect a little worse in practice: the spread between the city and highway figures is smaller than the spread between two drivers of the same one.
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