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how fuel efficient is the mazda skyactiv x engine

How fuel efficient is the Mazda Skyactiv-X engine?

With great mileage comes great driving range and fewer visits to the pump

Christopher Ng Photo

Christopher Ng

11 Jun 2019

While we are still twiddling thumbs waiting for the next generation Mazda3 to arrive on our shores, Mazda UK will be getting their hatchback, fitted with the Skyactiv-X, very soon. And they have been more than happy to reveal the fuel economy figures of Mazda’s halo engine.

To recap, the Skyactiv-X is a 2.0-litre, four-cylinder engine that combines the spark ignition of a petrol engine and the compression ignition of a diesel engine. Mazda calls this unique technology, Spark Plug Controlled Compression Ignition or SPCCI. This results in an engine that has the snappy response of a diesel engine with the free-revving performance of a petrol engine.

The Skyactiv-X in UK’s Mazda3 comes standard with the Mazda M Hybrid technology, which is basically a 24V mild hybrid system. As with other mild hybrid systems, this one also collects energy during deceleration which will then power an electric motor that adds juice to the engine. The goal here is to increase fuel efficiency without sacrificing engine response.

We know that the Skyactiv-X makes 178hp at 6,000rpm and 224Nm at 3,000rpm. Now, thanks to Mazda UK, we also know how thirsty it is (hint: it’s not).

Based on WLTP’s measurements, the Mazda3 with Skyactiv-X will achieve a combined fuel economy of 52.3mpg to 45.6mpg. Run the numbers through Google and you’ll arrive at a figure of 18.5km/l to 16.1km/l. With a 51-litre capacity fuel tank, the Mazda3 with Skyactiv-X has the potential range of 821.1km to 943.5km. Although the Skyactiv-X is no where near as powerful as Mercedes-AMG's latest engine, Mazda's engine is made to go the distance. 

We’re still unsure if our Mazda3 will come with the Skyactiv-X at launch or will we need to wait for a while longer for its arrival; if at all. But we deserve some nice things, don't we?

Contributed by CT