According to a series of news agencies, Mercedes-Benz will be downsizing the company’s engines for two models.

Turbocharged inline-fours will be replacing all six-cylinder engines in the E-class models and in the M-class SUV. According to experts, this move shows the automaker has chosen to take its diesel strategy to a different place altogether. It differs from Audi’s attitude toward its diesel engines. Specialists reported that Mercedes-Benz will be offering vehicle with diesel fours even in large vehicles while Audi will be offering several vehicles with diesel six.

These models should offer better fuel economy to consumers, which may be the company’s goal with this shift.

For more on these new models and different types of engines and what it means, click here to read the full article.