1985 Rolls-Royce Silver Spirit/Spur/MulsanneFuel Economy & MPG Ratings
Gasoline Midsize CarsRear-Wheel Drive
.jpg?width=640)
City
8
MPG
Highway
10
MPG
Combined
9
MPG
Trim Comparison
Automatic 3-spd
Regular
City
8
Hwy
10
Comb
9
Fuel cost: $7,500/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 3-spd | Regular | 8 | 10 | 9 | $7,500 |
Annual Fuel Cost
$7,500
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-25,500
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 987 g/mile
- Annual Petroleum Consumption
- 33.1 barrels
Specifications
- Engine
- 6.8L 8-cyl
- Transmission
- 3-speed Automatic
- Drivetrain
- RWD
- Body Style
- Sedan
- GVWR
- Class 1 (≤6,000 lbs)
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 6.8L, 8-cylinder
- Induction Type
- Gas Guzzler, Port Fuel Injection
- Fuel Type
- Regular Gasoline
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$7,483/yr
California
$5.957/gal$9,928/yr
Texas
$3.888/gal$6,480/yr
Florida
$4.136/gal$6,893/yr
New York
$4.522/gal$7,537/yr
Ohio
$4.510/gal$7,517/yr
Washington
$5.591/gal$9,318/yr
Colorado
$4.618/gal$7,697/yr
Minnesota
$4.344/gal$7,240/yr
Massachusetts
$4.448/gal$7,413/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $7,483/yr | — |
| California | $5.957/gal | $9,928/yrHIGHEST | +$2,445 |
| Texas | $3.888/gal | $6,480/yrLOWEST | $-1,003 |
| Florida | $4.136/gal | $6,893/yr | $-590 |
| New York | $4.522/gal | $7,537/yr | +$54 |
| Ohio | $4.510/gal | $7,517/yr | +$34 |
| Washington | $5.591/gal | $9,318/yr | +$1,835 |
| Colorado | $4.618/gal | $7,697/yr | +$214 |
| Minnesota | $4.344/gal | $7,240/yr | $-243 |
| Massachusetts | $4.448/gal | $7,413/yr | $-70 |
Calculated at 15,000 miles/year (EPA standard assumption) using 9 MPG combined. Regular gasoline prices. Actual costs vary.
Related
Rolls-Royce Silver Spirit/Spur/Mulsanne MPG History
See how this model's fuel economy changed by year