Mazda 3 vs Porsche Taycan
The Porsche Taycan is the more efficient of the two: it reaches 93 mpg combined versus 33 mpg for the Mazda 3, a 60 mpg advantage and costs about $1,050 less per year to fuel.
Across 4 measured categories, the Porsche Taycan leads in 4. Figures are EPA test data, not manufacturer claims.
2020–2026
Porsche Taycan
Compact Cars · 84 configurations
Head-to-head specifications
| Metric | Mazda 3 | Porsche Taycan |
|---|---|---|
| Best combined MPG | 33 mpg | 93 mpg ✓ |
| Best city MPG | 30 mpg | 94 mpg ✓ |
| Best highway MPG | 40 mpg | 92 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $1,850 | $800 ✓ |
| Lowest CO2 output | 266 g/mi | Not available |
| Engines offered | SIDI, SIDI; With Cylinder Deactivation, SIDI; Without Cylinder Deactivation, SIDI; with i-ELOOP Technology Package | Not available |
| Transmissions | Automatic (S6), Manual 6-spd | Automatic (A2) |
| Drivetrains | 4-Wheel Drive, Front-Wheel Drive | All-Wheel Drive, Rear-Wheel Drive |
| Fuel types | Regular | Electricity |
| EPA class | Midsize Cars | Compact Cars |
| Years covered | 2015–2026 | 2020–2026 |
| Configurations on record | 97 | 84 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
3 vs Taycan: common questions
Which is better on gas, the Mazda 3 or the Porsche Taycan?
The Porsche Taycan is the more efficient of the two: it reaches 93 mpg combined versus 33 mpg for the Mazda 3, a 60 mpg advantage and costs about $1,050 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Porsche Taycan runs about $800 a year in fuel at its most efficient configuration, versus about $1,850 for the Mazda 3 — a difference of roughly $1,050 per year.
What engines do the 3 and Taycan offer?
Mazda 3: SIDI, SIDI; With Cylinder Deactivation, SIDI; Without Cylinder Deactivation, SIDI; with i-ELOOP Technology Package. Porsche Taycan: no engine data on record.
Are they in the same vehicle class?
The EPA classifies the Mazda 3 as Midsize Cars and the Porsche Taycan as Compact Cars, so they aren't a like-for-like match on size.
More 3 comparisons
Comparison id: mazda-3-vs-porsche-taycan