Two gasoline engines were offered for the 2006 Mazda6: a 2.3-liter inline-4 and a 3.0-liter V6. The 2.3L comes from Mazda's MZR family, while the 3.0L is Ford's Duratec-based V6. Availability depended on trim and market.
Engine options in the 2006 Mazda6
The following describes the two engines Mazda offered for the 2006 Mazda6 in most markets. Each engine is gasoline-powered and was paired with various transmission choices depending on configuration.
- 2.3-liter inline-4 (MZR) — double overhead camshaft (DOHC), variable valve timing, gasoline-powered, producing about 156 horsepower and roughly 150 pound-feet of torque, varying slightly by market and emissions specifications.
- 3.0-liter V6 (Duratec) — 60-degree V6, DOHC with variable valve timing, gasoline-powered, delivering roughly 210–215 horsepower and around 200 pound-feet of torque, depending on market and transmission.
In practice, the 2.3L four-cylinder was favored for everyday driving and efficiency, while the 3.0L V6 offered stronger acceleration and highway performance. Transmission options varied with configuration and market.
Summary
The 2006 Mazda6 offered two gasoline engines: a 2.3-liter inline-4 (MZR) and a 3.0-liter V6 (Duratec). Power and availability varied by trim, market, and configuration, giving buyers a choice between efficiency and performance.


