Oldsmobile Silhouette 2WD
20 MPG The 2004 Oldsmobile Silhouette 2WD is EPA-rated at 20 MPG combined (17 city / 24 highway). Over 15,000 miles a year that is about 750 gallons, $2400 a year in fuel, or $0.160 per mile at $3.20/gal.
Across its full 1990–2004 run it averages 18.8 MPG, improving by 2 MPG over 15 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.125 | $1250 | $1875 | $2500 |
| $3.00/gal | $0.150 | $1500 | $2250 | $3000 |
| $3.20/gal | $0.160 | $1600 | $2400 | $3200 |
| $3.50/gal | $0.175 | $1750 | $2625 | $3500 |
| $4.00/gal | $0.200 | $2000 | $3000 | $4000 |
| $4.50/gal | $0.225 | $2250 | $3375 | $4500 |
| $5.00/gal | $0.250 | $2500 | $3750 | $5000 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2004 | 20 MPG | 17 | 24 | $3100 | 444 | 1 |
| 2003 | 20 MPG | 17 | 24 | $3100 | 444 | 1 |
| 2002 | 20 MPG | 17 | 24 | $3100 | 444 | 1 |
| 2001 | 20 MPG | 17 | 24 | $3100 | 444 | 1 |
| 2000 | 19 MPG | 17 | 24 | $3300 | 468 | 1 |
| 1999 | 18 MPG | 16 | 23 | $3450 | 494 | 1 |
| 1998 | 19 MPG | 16 | 23 | $3300 | 468 | 1 |
| 1997 | 19 MPG | 16 | 23 | $3300 | 468 | 1 |
| 1996 | 19 MPG | 17 | 24 | $3300 | 468 | 1 |
| 1995 | 18 MPG | 16 | 22 | $3450 | 494 | 2 |
| 1994 | 18 MPG | 16 | 22 | $3450 | 494 | 2 |
| 1993 | 18 MPG | 15.5 | 22 | $3450 | 494 | 2 |
| 1992 | 18 MPG | 15.5 | 21.5 | $3450 | 494 | 2 |
| 1991 | 18 MPG | 16 | 21 | $3450 | 494 | 1 |
| 1990 | 18 MPG | 16 | 21 | $3450 | 494 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 43 special purpose vehicles models tracked here, the Oldsmobile Silhouette 2WD ranks 8 on current figures, against a class average of 17.5 MPG.
Closest more-efficient alternatives in the same class: Jeep Wrangler 4WD (21), Geo Tracker Convertible 2WD (21.5), Subaru Wagon 4WD (21.5), Suzuki Sidekick Hardtop 4WD (21.5), Geo Tracker Convertible 4WD (21.8).
Tailpipe CO₂ is rated at 444 grams per mile, which works out to roughly 6.7 tonnes a year at 15,000 miles.
Questions
What MPG does the Oldsmobile Silhouette 2WD get?
The 2004 Oldsmobile Silhouette 2WD is rated at 20 MPG combined by the EPA — 17 city and 24 highway. Across all 15 model years in the database it averages 18.8 MPG, ranging from 18 to 20 depending on year and trim.
How much does a Oldsmobile Silhouette 2WD cost in fuel per year?
At 20 MPG and 15,000 miles a year, it burns about 750 gallons — roughly $2400 a year with fuel at $3.20 a gallon, or $0.160 per mile. The EPA's own published annual figure for the 2004 model is $3100.
Has the Oldsmobile Silhouette 2WD become more efficient over time?
Yes. It has gone from 18 MPG in 1990 to 20 in 2004 — an improvement of 2 MPG, or 11% across 15 model years.
Is the Oldsmobile Silhouette 2WD efficient for its class?
It ranks 8 of 43 in the Special Purpose Vehicles class on current figures, against a class average of 17.5 MPG. That is 2.5 better than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.