2020 Toyota Prius MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2020 Toyota Prius.
The 2020 Toyota Prius has a 207V Li-Ion electric motor which is charged via standard charger.
All MPG estimates are "MPG equivalent". This is a conversion of electric energy consumption to a gasoline equivalent.
Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2020 Toyota Prius is, we have the information you need.
🛣 How Many Miles per Gallon (MPG) Does a 2020 Toyota Prius Get?
First off, the most commonly asked question. A 2020 Toyota Prius gets up to 54 miles per gallon in the city, and 50 miles per gallon on the highway.
The combined average MPG for the 2020 Toyota Prius is 52 miles per gallon.
💵 What is the Average Yearly Fuel Cost for a 2020 Toyota Prius?
The estimated fuel costs for the 2020 Toyota Prius is $1,200 per year.
That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
If you were to compare a 2020 Toyota Prius to an average vehicle over 5 years, you will save $5,500 on fuel.
🛢 How Many Barrels of Petroleum Does a 2020 Toyota Prius Consume?
The 2020 Toyota Prius will consume roughly 6 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
💨 How Many Grams of CO2 Does a 2020 Toyota Prius Emit?
For every mile driven, the 2020 Toyota Prius will emit 169 grams of CO2, which is about 2,535,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 87 trees would be needed to offset emissions from the 2020 Toyota Prius.
Overview
The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2020 Toyota Prius.
| City MPG | 54 |
|---|---|
| Highway MPG | 50 |
| Combined MPG | 52 |
| Save/Spend vs Average Car | Save $5,500 |
| Fuel Cost | $1,200 |
| Fuel Type 1 | Regular |
| Electric Motor | 207V Li-Ion |
| ATV Type | Hybrid |
| Barrels of Petroleum | 6 |
| Grams of CO2 | 2,535,000 |
| Trees Needed to Offset | 121 |
| Drive | Front-Wheel Drive |
| Cylinders | 4 |
| Displacement | 1.8 |
| Transmission | Automatic (variable gear ratios) |
| Vehicle Class | Midsize Cars |
| Start/Stop? | Yes |
| Supercharged? | No |
| Turbocharged? | No |
Related Toyota Models from 2020
If you're interested in other Toyota models from 2020, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.
| Model | Combined MPG |
|---|---|
| 4Runner 2WD | 17 |
| 4Runner 4WD | 17 |
| 4Runner 4WD | 17 |
| 86 | 27 |
| 86 | 24 |
| Avalon | 25 |
| Avalon Hybrid | 43 |
| Avalon Hybrid XLE | 44 |
| Avalon XLE | 26 |
| C-HR | 29 |
| Camry | 26 |
| Camry | 34 |
| Camry AWD LE/SE | 29 |
| Camry AWD XLE/XSE | 28 |
| Camry Hybrid LE | 52 |
| Camry Hybrid XLE/SE | 46 |
| Camry LE/SE | 32 |
| Camry TRD | 25 |
| Camry XLE/XSE | 31 |
| Camry XSE | 26 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/toyota/prius/2020">2020 Toyota Prius MPG and Fuel Economy</a>
"2020 Toyota Prius MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/toyota/prius/2020.
"2020 Toyota Prius MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/toyota/prius/2020. Accessed January 3, 2026.
2020 Toyota Prius MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/toyota/prius/2020.