Against 156 other V8 cars rated 1991–1993, the 400 beats their 15.1 mpg average by 2.9 mpg, about $410 a year.
Every Mercedes-Benz 400 engine, compared
The Mercedes-Benz 400 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 |
|---|---|---|---|---|
| 4.2L 8-cyl | 15.5 / 21 | 1992–1993 | $2,259 |
What that actually costs
| Measure | Value |
|---|---|
| Cost per mile (1993) | $0.178 |
| Fuel per year | $2,133 |
| Fuel over five years | $10,665 |
| Against other V8 cars, 1991–1993 | −$410 a year |
| EPA's own estimate | $4,550 a year |
City or highway — who is this car for
The 1993 Mercedes-Benz 400 gives up 6 mpg in town: 22 on the highway against 16 in the city, $655 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (1993) | 16 mpg | $2,400 a year if you only drive in town |
| Highway | 22 mpg | $1,745 a year if you mostly commute |
| Gap | +6 mpg (38%) | Wide — this car dislikes traffic |
How the 400 changed over the years
The 400 peaked in 1993 at 18 mpg (16 city, 22 highway) and was at its thirstiest in 1992 at 16 — 2 mpg apart, or $267 a year in fuel between buying one year and the other. The 1993 model gains 2 mpg against 16 for the 1992.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1993 | 16 / 22 | 1 | $2,133 | |
| 1992 | 15 / 20 | 1 | $2,400 |
MPG is a number. Dollars per year is the answer.
- Fuel profile built from your actual mileage and local prices
- Fuel tracker: what you really spend, month by month
- Insurance and fuel folded into 5-year cost to own
- Compare any two cars on total cost, not sticker price
- No ads, no tracking — and much more
How we count
This page rests on 2 EPA ratings of the Mercedes-Benz 400 — 1 engine across 1992–1993. 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 $4,550. Full method.
Frequently asked questions
What mpg does the 1993 Mercedes-Benz 400 get?
18 mpg combined, 16 city and 22 highway, per EPA. Across every year since 1992 the 400 has averaged 17 mpg.
Is the 1993 400 more efficient than the 1992?
Yes: 18 against 16 mpg combined, about $267 a year less to run.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.