The Rolls-Royce Silver Spirit does 9.8 mpg combined (8.5 city, 11.4 highway), which works out to about $3,918 a year in fuel at $3.20 a gallon and 12,000 miles. Against other V8 cars it sits below the average of 16.1 mpg.
Every Rolls-Royce Silver Spirit engine, compared
The Rolls-Royce Silver Spirit 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 |
|---|---|---|---|---|
| 6.8L 8-cyl | 8.5 / 11.4 | 1984–1994 | $3,918 |
What that actually costs
The Rolls-Royce Silver Spirit burns a gallon every 9.8 miles, so 12,000 miles takes about 1224 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.327 |
| Fuel per year | $3,918 |
| Fuel over five years | $19,590 |
| Against other V8 cars | +$1,533 a year |
| EPA's own estimate | $7,014 a year |
City or highway — who is this car for
The Rolls-Royce Silver Spirit gives up 2.9 mpg the moment you leave the motorway — 11.4 out there against 8.5 in town, a 34% drop worth $1,150 a year. A wide gap punishes stop-and-start traffic; a narrow one means the car doesn't care where you drive it.
| Measure | Value | Reading |
|---|---|---|
| City | 8.5 mpg | $4,518 a year if you only drive in town |
| Highway | 11.4 mpg | $3,368 a year if you mostly commute |
| Gap | +2.9 mpg (34%) | Wide — this car dislikes traffic |
How the Silver Spirit changed over the years
The Silver Spirit peaked in 1994 at 11 mpg (9 city, 14 highway) and was at its thirstiest in 1988 at 9 — 2 mpg apart, or $776 a year in fuel between buying one year and the other. The 1994 car does 11. Jumps usually mark a new generation or a new engine; dips often mean a heavier body or added all-wheel drive.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1994 | 9 / 14 | 1 | $3,491 | |
| 1993 | 9 / 13 | 1 | $3,491 | |
| 1992 | 9 / 13 | 1 | $3,491 | |
| 1991 | 9 / 12 | 1 | $3,840 | |
| 1990 | 9 / 12 | 1 | $3,840 | |
| 1989 | 9 / 11 | 1 | $3,840 | |
| 1988 | 8 / 10 | 1 | $4,267 | |
| 1987 | 8 / 10 | 1 | $4,267 | |
| 1986 | 8 / 10 | 1 | $4,267 | |
| 1985 | 8 / 10 | 1 | $4,267 | |
| 1984 | 8 / 10 | 1 | $4,267 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 11 EPA ratings of the Rolls-Royce Silver Spirit — 1 engine across 1984–1994. 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 $7,014. Full method.
Frequently asked questions
What mpg does the Rolls-Royce Silver Spirit get?
9.8 mpg combined on average — 8.5 in the city and 11.4 on the highway, per EPA ratings across 1984–1994.
How much does a Rolls-Royce Silver Spirit cost in fuel per year?
About $3,918 at 12,000 miles and $3.20 a gallon — roughly $19,590 over five years, or 0.327 dollars a mile.
Which Silver Spirit engine is the most economical?
The 6.8L 8-cyl at 9.8 mpg.
Is the Silver Spirit good on fuel compared with similar cars?
Against other V8 cars it sits below the average of 16.1 mpg, computed across 3323 ratings.
Are these real-world Silver Spirit figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Rolls-Royce Silver Spirit is $7,014 against the $3,918 we compute at 12,000 miles. Expect a little worse in practice: the spread between the city and highway figures is smaller than the spread between two drivers of the same one.
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