2021 MINI Cooper Hardtop 4 door MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2021 MINI Cooper Hardtop 4 door.
The 2021 MINI Cooper Hardtop 4 door has 2 model options: Automatic (AM-S7) 3-cyl, 1.5 L and Manual 6-spd 3-cyl, 1.5 L.
The 2021 MINI Cooper Hardtop 4 door Automatic (AM-S7) 3-cyl, 1.5 L runs on premium gasoline and is in the Subcompact Cars car class.
The 2021 MINI Cooper Hardtop 4 door Manual 6-spd 3-cyl, 1.5 L runs on premium gasoline and is in the Subcompact Cars car class.
🛣 How Many Miles per Gallon (MPG) Does a 2021 MINI Cooper Hardtop 4 door Get?
Across all models, the combined average MPG for the 2021 MINI Cooper Hardtop 4 door is 31 miles per gallon.
The table below breaks down the MPG for each model option:
| Model Option | Combined MPG | City MPG | Highway MPG |
|---|---|---|---|
| Automatic (AM-S7) 3-cyl, 1.5 L | 31 | 28 | 37 |
| Manual 6-spd 3-cyl, 1.5 L | 30 | 26 | 37 |
💵 What is the Average Yearly Fuel Cost for a 2021 MINI Cooper Hardtop 4 door?
The average fuel costs for all models of the 2021 MINI Cooper Hardtop 4 door is $2,425.
The average fuel costs have 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.
Comparing a 2021 MINI Cooper Hardtop 4 door to an average vehicle over 5 years, you will spend $625 more on fuel.
The table below shows the fuel costs and 5-year save/spend for each model option:
| Model Option | Fuel Cost | 5-Year Save/Spend |
|---|---|---|
| Automatic (AM-S7) 3-cyl, 1.5 L | $2,400 | spend $500 more |
| Manual 6-spd 3-cyl, 1.5 L | $2,450 | spend $750 more |
🛢 How Many Barrels of Petroleum Does a 2021 MINI Cooper Hardtop 4 door Consume?
Across all models, the average number barrels of petroleum that the 2021 MINI Cooper Hardtop 4 door will consume in one year is 10 barrels.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
| Model Option | Barrels |
|---|---|
| Automatic (AM-S7) 3-cyl, 1.5 L | 10 |
| Manual 6-spd 3-cyl, 1.5 L | 10 |
💨 How Many Grams of CO2 Does a 2021 MINI Cooper Hardtop 4 door Emit?
The 2021 MINI Cooper Hardtop 4 door will emit an average of about 4,290,000 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 147 trees would be needed to offset emissions from the 2021 MINI Cooper Hardtop 4 door.
Overview
The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2021 MINI Cooper Hardtop 4 door model options.
Automatic (AM-S7) 3-cyl, 1.5 L
The table below contains all of the details we have for the 2021 MINI Cooper Hardtop 4 door Automatic (AM-S7) 3-cyl, 1.5 L:
| City MPG | 28 |
|---|---|
| Highway MPG | 37 |
| Combined MPG | 31 |
| Save/Spend vs Average Car | Spend $500 |
| Fuel Cost | $2,400 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 10 |
| Grams of CO2 | 4,200,000 |
| Trees Needed to Offset | 200 |
| Drive | Front-Wheel Drive |
| Cylinders | 3 |
| Displacement | 1.5 |
| Transmission | Automatic (AM-S7) |
| Vehicle Class | Subcompact Cars |
| Start/Stop? | Yes |
| Supercharged? | No |
| Turbocharged? | Yes |
Manual 6-spd 3-cyl, 1.5 L
The table below contains all of the details we have for the 2021 MINI Cooper Hardtop 4 door Manual 6-spd 3-cyl, 1.5 L:
| City MPG | 26 |
|---|---|
| Highway MPG | 37 |
| Combined MPG | 30 |
| Save/Spend vs Average Car | Spend $750 |
| Fuel Cost | $2,450 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 10 |
| Grams of CO2 | 4,380,000 |
| Trees Needed to Offset | 209 |
| Drive | Front-Wheel Drive |
| Cylinders | 3 |
| Displacement | 1.5 |
| Transmission | Manual 6-spd |
| Vehicle Class | Subcompact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | Yes |
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/mini/cooper-hardtop-4-door/2021">2021 MINI Cooper Hardtop 4 door MPG and Fuel Economy</a>
"2021 MINI Cooper Hardtop 4 door MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mini/cooper-hardtop-4-door/2021.
"2021 MINI Cooper Hardtop 4 door MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mini/cooper-hardtop-4-door/2021. Accessed January 3, 2026.
2021 MINI Cooper Hardtop 4 door MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mini/cooper-hardtop-4-door/2021.