Against 500 other 4-cyl cars rated 2016–2018, the COROLLA iM beats their 27.3 mpg average by 3.7 mpg, about $168 a year.
Every Toyota COROLLA iM engine, compared
The Toyota COROLLA iM 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 |
|---|---|---|---|---|
| 1.8L 4-cyl | 28 / 36 | 2017–2018 | $1,239 |
What that actually costs
Against its rivals in the same model years, the Honda Accord gets 37.7 mpg, the Hyundai Elantra 35 mpg and the Nissan Altima 29.2 mpg, next to 31 mpg for the 2018 COROLLA iM.
| Measure | Value |
|---|---|
| Cost per mile (2018) | $0.103 |
| Fuel per year | $1,239 |
| Fuel over five years | $6,195 |
| Against other 4-cyl cars, 2016–2018 | −$168 a year |
| EPA's own estimate | $2,000 a year |
City or highway — who is this car for
The 2018 Toyota COROLLA iM gives up 8 mpg in town: 36 on the highway against 28 in the city, $304 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2018) | 28 mpg | $1,371 a year if you only drive in town |
| Highway | 36 mpg | $1,067 a year if you mostly commute |
| Gap | +8 mpg (29%) | Typical for its type |
How the COROLLA iM changed over the years
Combined figure across the 2 model years the COROLLA iM was rated in, all of them at 31 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2018 | 28 / 36 | 1 | $1,239 | |
| 2017 | 28 / 36 | 1 | $1,239 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 2 EPA ratings of the Toyota COROLLA iM — 1 engine across 2017–2018. 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 $2,000. Full method.
Frequently asked questions
What mpg does the 2018 Toyota COROLLA iM get?
31 mpg combined, 28 city and 36 highway, per EPA. Across every year since 2017 the COROLLA iM has averaged 31 mpg.
Is the 2018 COROLLA iM more efficient than the 2017?
About the same: 31 against 31 mpg combined.
Does the COROLLA iM get better gas mileage than the Honda Accord?
No: 31 mpg for the 2018 COROLLA iM against 37.7 for the 2019 Honda Accord, about $220 a year more to run.
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