
2021 Volvo V40 Ratings.
In abounding ways, automotive agent architecture is converging, as the computer-engineered chase against bigger adeptness produces added agnate after-effects in Detroit, Tokyo, and Stuttgart.

Computer models appearance that for centralized agitation agent engines, 500cc butt displacement offers the best thermal efficiency, so we’re seeing a admeasurement of 2.0-liter four-cylinders, 3.0-liter six-cylinders, and 4.0-liter eight-cylinders.

Turbocharging and absolute ammunition bang are additionally key to extracting best adeptness from every atom of hydrocarbon breakable in the engine, so they are additionally acceptable the norm.
But adeptness doesn’t affliction how the engine’s cylinders are arrayed, and that is an breadth area we abide to see some assortment amid manufacturers. The inline four-cylinder is all-over and its agreement is adequately self-explanatory: four cylinders in a row. Normally, this row of cylinders is vertical. In front-drive cars with axle configuration, the row runs side-to-side in the car, while adventurous rear-drive models such as the Mazda MX-5 Miata arise the agent with the cylinders accumbent fore-aft in the car.

The 1.8-liter inline four-cylinder agent from a 2008 Honda Civic.

Inline four-cylinders accept the advantage of actuality bunched and bargain to manufacture, with a distinct alike of machined surfaces and a distinct butt head. But it is not the alone blueprint for four-cylinder engines.
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