2021 Lexus IS mpg
Combined mpg, 300 RWD
25mpg
- 21 city, 31 highway.
- 1 mpg below the median of 81 sedans (2021).
- 4 trims: 22 to 25 mpg.
12,000 miles a year. Gas $3.20.
| Trim | Engine | Drive | City mpg | Hwy mpg | Combined | Tank, gal | Miles per tank | Cost a year |
|---|---|---|---|---|---|---|---|---|
| 300 RWD | 2.0L 4cyl | RWD | 21 | 31 | 25 | 17.4 | 435 | $1,536 |
| 350 F Sport RWD | 3.5L 6cyl | RWD | 20 | 28 | 23 | 17.4 | 400 | $1,670 |
| 300 AWD | 3.5L | AWD | 19 | 26 | 22 | 17.4 | 383 | $1,745 |
| 350 F Sport AWD | 3.5L | AWD | 19 | 26 | 22 | 17.4 | 383 | $1,745 |
Fuel cost
300 RWD, 25 mpg combined.
- Per year
- $1,536
- Per month
- $128
- Per mile
- 12.8 cents
- Fill the tank
- $55.68
- Top trim: 350 F Sport AWD. $1,745 a year. $209 more than the 300 RWD.
Trip cost
| Trip | Gallons | Cost |
|---|---|---|
| 100 miles | 3.2 | $10.32 |
| 300 miles | 9.7 | $30.97 |
| 500 miles | 16.1 | $51.61 |
| 1,000 miles | 32.3 | $103 |
Commute cost
- Per month
- $111
- Per year
- $1,331
- Miles a month
- 867
300 RWD. 20 miles each way, 5 days a week.
Is 25 mpg good? Yes. Beats 58% of 2026 cars.
MPG by year
Rivals
| Car | Cheapest trim | Combined mpg | Compare |
|---|---|---|---|
| 2021 Lexus IS | 300 RWD | 25 mpg | |
| 2021 Audi A4 | 40 TFSI Premium AWD | 27 mpg | |
| 2021 Volvo S60 | T5 Momentum FWD | 27 mpg | |
| 2021 Mercedes-Benz E-Class All Terrain | CLA 250 Coupe | 25 mpg | Compare |
| 2021 Lexus ES | 350 FWD | 26 mpg | |
| 2021 Mercedes-Benz CLA | 250 FWD | 29 mpg | |
| 2021 Alfa Romeo Giulia | RWD | 27 mpg | Compare |
What this cannot tell you
EPA ratings. Your own mpg will differ.
Gas prices change by state and by week.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree