Against 190 other V8 cars rated 1997–1999, the Silver Spur trails their 15.4 mpg average by 3.4 mpg, about $706 a year. Averaged over the years each was sold, the most economical engine since 1984, the 6.7L 8-cyl (1998), does 12 mpg and the thirstiest, the 6.8L 8-cyl (1984–1999), 10.1: $602 a year apart.
Every Rolls-Royce Silver Spur engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 6.7L 8-cyl | 10 / 15 | 1998–1998 | $3,200 | |
| 6.8L 8-cyl | 8.7 / 11.9 | 1984–1999 | $3,802 |
What that actually costs
| Measure | Value |
|---|---|
| Cost per mile (1999) | $0.267 |
| Fuel per year | $3,200 |
| Fuel over five years | $16,000 |
| Against other V8 cars, 1997–1999 | +$706 a year |
| EPA's own estimate | $7,147 a year |
City or highway — who is this car for
The 1999 Rolls-Royce Silver Spur gives up 5 mpg in town: 15 on the highway against 10 in the city, $1,280 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (1999) | 10 mpg | $3,840 a year if you only drive in town |
| Highway | 15 mpg | $2,560 a year if you mostly commute |
| Gap | +5 mpg (50%) | Wide — this car dislikes traffic |
How the Silver Spur changed over the years
The Silver Spur peaked in 1999 at 12 mpg (10 city, 15 highway) and was at its thirstiest in 1986 at 8 — 4 mpg apart, or $1,600 a year in fuel between buying one year and the other.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1999 | 10 / 15 | 1 | $3,200 | |
| 1998 | 10 / 15 | 1 | $3,200 | |
| 1997 | 10 / 15 | 1 | $3,200 | |
| 1996 | 10 / 14 | 1 | $3,200 | |
| 1995 | 9 / 14 | 1 | $3,491 | |
| 1994 | 9 / 13 | 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 | 7 / 9 | 1 | $4,800 | |
| 1985 | 7 / 9 | 1 | $4,800 | |
| 1984 | 7 / 9 | 1 | $4,800 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 16 EPA ratings of the Rolls-Royce Silver Spur — 2 engines across 1984–1999. 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 $7,147. Full method.
Frequently asked questions
What mpg does the 1999 Rolls-Royce Silver Spur get?
12 mpg combined, 10 city and 15 highway, per EPA. Across every year since 1984 the Silver Spur has averaged 10.3 mpg.
Is the 1999 Silver Spur more efficient than the 1998?
About the same: 12 against 12 mpg combined.
Which Silver Spur year has the best gas mileage?
The 1999, at 12 mpg combined (10 city, 15 highway), which is also the latest model year we hold.
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