Best of both worlds: The new Infiniti QX50

The Infiniti QX50's engine is among the smoothest 2-litre four-cylinders around, matching the creaminess of a bigger power plant with more cylinders.
The Infiniti QX50's engine is among the smoothest 2-litre four-cylinders around, matching the creaminess of a bigger power plant with more cylinders.ST PHOTOS: ALPHONSUS CHERN
The Infiniti QX50's engine is among the smoothest 2-litre four-cylinders around, matching the creaminess of a bigger power plant with more cylinders.
ST PHOTOS: ALPHONSUS CHERN

The new Infiniti QX50 has a petrol engine which is almost as efficient as a diesel

The Infiniti QX50 is the first car here to have a variable compression turbo engine, which promises the efficiency of a diesel and the punchiness of a petrol.

With the aid of an electric motor, a control shaft at the base of the engine rotates, influencing the angle of multi-link arms. This, in turn, changes the top dead-centre position of the pistons and thus the engine's compression ratios.

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A version of this article appeared in the print edition of The Straits Times on February 02, 2019, with the headline 'Best of both worlds'. Print Edition | Subscribe