Against 257 other V6 cars rated 1989–1991, the 350 beats their 18.1 mpg average by 2.9 mpg, about $293 a year.
Every Mercedes-Benz 350 engine, compared
The Mercedes-Benz 350 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 |
|---|---|---|---|---|
| 3.5L 6-cyl | 19 / 23 | 1990–1991 | $1,829 |
What that actually costs
Against its rivals in the same model years, the Toyota Camry gets 21.8 mpg, the Honda Accord 23.3 mpg and the Hyundai Elantra 22 mpg, next to 21 mpg for the 1991 350. The 350 costs the most of them to run: $181 a year more than the Honda Accord.
| Measure | Value |
|---|---|
| Cost per mile (1991) | $0.152 |
| Fuel per year | $1,829 |
| Fuel over five years | $9,145 |
| Against other V6 cars, 1989–1991 | −$293 a year |
| EPA's own estimate | $3,700 a year |
City or highway — who is this car for
The 1991 Mercedes-Benz 350 gives up 4 mpg in town: 23 on the highway against 19 in the city, $351 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (1991) | 19 mpg | $2,021 a year if you only drive in town |
| Highway | 23 mpg | $1,670 a year if you mostly commute |
| Gap | +4 mpg (21%) | Typical for its type |
How the 350 changed over the years
Combined figure across the 2 model years the 350 was rated in, all of them at 21 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1991 | 19 / 23 | 1 | $1,829 | |
| 1990 | 19 / 23 | 1 | $1,829 |
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 Mercedes-Benz 350 — 1 engine across 1990–1991. 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 $3,700. Full method.
Frequently asked questions
What mpg does the 1991 Mercedes-Benz 350 get?
21 mpg combined, 19 city and 23 highway, per EPA. Across every year since 1990 the 350 has averaged 21 mpg.
Is the 1991 350 more efficient than the 1990?
About the same: 21 against 21 mpg combined.
Does the 350 get better gas mileage than the Toyota Camry?
About the same: 21 mpg for the 1991 350 against 21.8 for the 1992 Toyota Camry.
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