2011 Toyota Prius MPG & Specs — Real Fuel Cost
Quick answer
The 2011 Toyota Prius gets an EPA-estimated 49/46 MPG (city/highway) and 48 MPG combined, with an estimated $1,300/year fuel cost and 185.146 g/mi CO₂. Engine: 1.8 L 4-cyl.
The 2011 Toyota Prius with the 1.8-liter 4-cylinder regular gasoline engine returns an EPA-estimated 49 MPG in the city and 46 MPG on the highway, for a combined 48 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 1.8 L 4-cyl |
| Transmission | Automatic (variable gear ratios) |
| Drive | Front-Wheel Drive |
| Fuel type | Regular Gasoline |
| Vehicle class | Midsize Cars |
| MPG — city | 49 |
| MPG — highway | 46 |
| MPG — combined | 48 |
| Annual fuel cost* | $1,300 |
| CO₂ tailpipe | 185.146 g/mi |
| EPA GHG score | — |
How efficient is it?
With a combined 48 MPG, the 2011 Toyota Prius sits in the exceptional range for fuel economy. That is about 88% better than the typical Midsize Cars of its era (26 MPG class average), making it one of the more efficient choices in its class.
Fuel economy and running costs
At about $1,300 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 2011 Toyota Prius. Over five years that is roughly $6,500 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 2011 Toyota Prius emits approximately 185.146 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.