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Mazda Motor Corp has announced that the next-gen Mazda 2 (Hazumi concept pictured) will feature a new 1.5 SkyActiv-D diesel engine. Like the 2.2 SkyActiv-D engine, the new motor features a very low compression ratio for a diesel – 14.8 in this case.

Displacing 1,497 cc and having a 76 mm bore and 82.5 mm stroke, the Euro 6-compliant, direct-injected four-cylinder turbo mill produces 105 PS at 4,000 rpm and 250 Nm of torque from 1,500 to 2,500 rpm.

There’s a variable-turbine geometry turbo with rotation sensor and a water-cooled intercooler integrated into the intake manifold. The engine cooling system features cooling water control valves and water jacket spacers.

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Mazda claims “outstanding dynamic performance”, “linear acceleration all the way up the rpm range” and “excellent environmental performance without resorting to expensive NOx aftertreatment systems.”

The 1.5 SkyActiv-D engine inherits many of the 2.2 SkyActiv-D’s technologies, but fortifies itself with an expanded homogenous lean burn range, reduced mechanical resistance and enhanced insulation to curb the increase in cooling loss associated with a smaller engine.

The homogeneous lean burn range is extended through the adoption of high- and low-pressure EGR systems, while cooling loss is suppressed by combustion mode transition control technology and high-dispersion solenoid injectors which, along with stepped egg-shaped pistons, help to reduce contact between the flame and chamber wall.

In the new Mazda 2, the engine will be connected to an i-stop start/stop system and i-Eloop regenerative braking. SkyActiv manual or auto gearboxes will be available, ensuring the new Mazda 2 achieves among the best JC08 economy figures for a vehicle powered solely by an internal combustion engine (excluding hybrid and micro-mini vehicles) in Japan.

Also, the new Mazda 2 diesel will meet Japan’s Post New Long-Term (PNLT) emission regulations, which were introduced in October 2009.

A research report on Berjaya Auto in March indicated that the new Mazda 2 would arrive in Malaysia before year-end – seems a pretty tall order. Rumours also exist that the car could spawn an SUV that may be called the CX-3.

Next-gen Mazda 2 spotted in Europe

Mazda Hazumi concept

 

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