The 2012 Mazda5 is powered by a 2.5-liter inline-four engine from Mazda’s MZR family, delivering about 157 horsepower and 163 lb-ft of torque.
In more detail, the 2012 Mazda5 uses a naturally aspirated 2.5-liter four-cylinder, featuring dual overhead cams, 16 valves, and variable valve timing. The engine is paired with a five-speed automatic transmission in most trims, prioritizing efficiency and practicality for a compact family minivan.
Engine specifications
Here are the core mechanical specs for the 2.5-liter engine used in the 2012 Mazda5.
- Displacement: 2.5 liters
- Configuration: Inline-4 (I4)
- Valvetrain: DOHC with 16 valves and variable valve timing
- Fuel delivery: Sequential multi-point fuel injection
- Power: Approximately 157 horsepower
- Torque: Approximately 163 lb-ft
EPA fuel economy for the 2.5-liter engine is typically in the low- to mid-20s mpg in city driving and around 28–30 mpg on the highway, depending on transmission and trim.
Performance context
The engine is designed to provide adequate power for city driving and highway merging, offering a smooth, reliable experience suitable for a family-focused minivan rather than sporty performance.
Summary
In short, the 2012 Mazda5 uses a 2.5-liter inline-four engine from Mazda’s MZR family, producing about 157 hp and 163 lb-ft of torque, paired with a transmission aimed at practical, everyday driving.