1990 Rolls-Royce Silver Spirit II/Silver Spur MPG & Specs — Real Fuel Cost
Quick answer
The 1990 Rolls-Royce Silver Spirit II/Silver Spur gets an EPA-estimated 9/12 MPG (city/highway) and 10 MPG combined, with an estimated $7,600/year fuel cost and 888.7 g/mi CO₂. Engine: 6.8 L 8-cyl.
The 1990 Rolls-Royce Silver Spirit II/Silver Spur with the 6.8-liter 8-cylinder premium gasoline engine returns an EPA-estimated 9 MPG in the city and 12 MPG on the highway, for a combined 10 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 6.8 L 8-cyl |
| Transmission | Automatic 3-spd |
| Drive | Rear-Wheel Drive |
| Fuel type | Premium Gasoline |
| Vehicle class | Midsize Cars |
| MPG — city | 9 |
| MPG — highway | 12 |
| MPG — combined | 10 |
| Annual fuel cost* | $7,600 |
| CO₂ tailpipe | 888.7 g/mi |
| EPA GHG score | — |
How efficient is it?
With a combined 10 MPG, the 1990 Rolls-Royce Silver Spirit II/Silver Spur sits in the low range for fuel economy. That is roughly 61% thirstier than the typical Midsize Cars of its era (26 MPG class average) — expect higher fuel bills than class-average alternatives.
Fuel economy and running costs
At about $7,600 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 1990 Rolls-Royce Silver Spirit II/Silver Spur. Over five years that is roughly $38,000 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 1990 Rolls-Royce Silver Spirit II/Silver Spur emits approximately 888.7 grams of CO₂ per mile at the tailpipe. Lower emissions generally track higher fuel economy.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.