Mazda Inline-Six 3.3-Liter Diesel Engine Detailed, Makes 406 LB-FT


Rumors of a rear-wheel-drive platform with an inline-six engine from Mazda have been swirling for years but the official announcement was made only recently. After revealing plans to launch RWD vehicles with 3.0 liter petrol and 3.3 liter diesel engines, the company Zoom-Zoom is finally ready to talk about specifications. However, for now, we have to settle for those of the oil burners.

Without further ado, the standard SKYACTIV-D 3.3 produces 228 horsepower (170 kilowatts) between 4,000 rpm and 4,200 rpm. The full amount of torque, 500 Newton-meters (369 pound-feet), can be achieved from a low 1,500 rpm to 3,000 rpm. Then there’s the e-SKYACTIV D variant of the same diesel engine, but with a mild hybrid tuning. Power reaches 251 hp (187 kW) at 3,750 rpm while torque rises to 550 Nm (406 lb-ft) from 1,500 rpm to 2,400 rpm.

The straight-six diesel engine works with an eight-speed automatic transmission that sends power to both axles in the newly released CX-60 SUV that weighs about 1,900 kilograms (4,189 pounds). The diesel-fueled SUV will do 0 to 62 mph (100 km/h) in 7.3 seconds before hitting a top speed of 137 mph (220 km/h).

Technical specifications for the 3.0-liter petrol engine are yet to be provided, but at least we can compare the diesel to the already-revealed 2.5-liter plug-in hybrid model. It combines a naturally aspirated four-cylinder petrol mill with an electric motor for a total output of 323 hp (241 kW) at 6,000 rpm and 500 Nm (369 lb-ft) at 4,000 rpm.

As expected, the CX-60 PHEV version is much heavier due to the additional hardware, at around 2,050 kg (4,519 lbs). Despite carrying about an extra 150 kg (331 lbs), the petrol-electric SUV sprints in 5.8 seconds or 1.5 seconds faster than the diesel thanks to its electric boost. Flat, reaching 124 mph (200 km/h).

Fun fact – the PHEV model has a perfect 50:50 weight distribution while the diesel is slightly heavier, at 55:45. The plug-in hybrid model with its electric motor is also an AWD-only affair with an up and coming eight-speed automatic. It boasts a 17.8-kWh battery pack for an electric range of up to 39 miles (63 km) in WLTP combined cycles.

As you may have heard, the global CX-60 will be sold in the United States as the wide-body CX-70. Mazda is also planning a three-line CX-80 for the international market, joining the CX-90 for the US. They will all arrive in the next two years.


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