2020 Mercedes-Benz SLC mpg
Combined mpg, 300 RWD
27mpg
- 23 city, 32 highway.
- Top 24% of 25 convertibles (2020).
- 4 trims: 20 to 27 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 | 23 | 32 | 27 | 15.9 | 429 | $1,422 |
| AMG SLC 43 RWD | 3.0L | RWD | 20 | 29 | 23 | N/A | N/A | $1,670 |
| SL SL 450 Roadster 2D RWD | 3.0L 6cyl | RWD | 20 | 28 | 22 | N/A | N/A | $1,745 |
| SL SL 550 Roadster 2D RWD | 4.7L 8cyl | RWD | 17 | 25 | 20 | N/A | N/A | $1,920 |
Fuel cost
300 RWD, 27 mpg combined.
- Per year
- $1,422
- Per month
- $119
- Per mile
- 11.9 cents
- Fill the tank
- $50.88
- Top trim: AMG SLC 43 RWD. $1,670 a year. $247 more than the 300 RWD.
Trip cost
| Trip | Gallons | Cost |
|---|---|---|
| 100 miles | 3.1 | $10.00 |
| 300 miles | 9.4 | $30.00 |
| 500 miles | 15.6 | $50.00 |
| 1,000 miles | 31.3 | $100 |
Commute cost
- Per month
- $103
- Per year
- $1,233
- Miles a month
- 867
300 RWD. 20 miles each way, 5 days a week.
Is 27 mpg good? Yes. Beats 68% of 2026 cars.
MPG by year
Rivals
| Car | Cheapest trim | Combined mpg | Compare |
|---|---|---|---|
| 2020 Mercedes-Benz SLC | 300 RWD | 27 mpg | |
| 2020 BMW Z4 | sDrive30i RWD | 27 mpg | Compare |
| 2020 Audi S5 | Premium AWD | 23 mpg | Compare |
| 2020 BMW 4 Series | 430i Gran Coupe RWD | 27 mpg | Compare |
| 2020 Audi A5 | Premium AWD | 27 mpg |
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