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How much horsepower does a 998cc inline four-cylinder engine have?

You can't determine the horsepower of a 998cc inline four-cylinder engine based on its displacement alone. Here's why:

* Horsepower is not directly tied to engine size: Horsepower is a measure of power output, and it depends on many factors beyond just engine displacement.

* Factors influencing horsepower: Here are some key factors that determine horsepower:

* Engine design and efficiency: Different engine designs (e.g., naturally aspirated, turbocharged, supercharged) and internal components (e.g., valve timing, compression ratio) have a significant impact on power output.

* Fuel system and air intake: How the engine gets air and fuel (e.g., fuel injection, carburetor) affects combustion efficiency and power.

* Exhaust system: The exhaust system can influence power output.

* RPM range: Engines produce different power levels at different RPMs.

* Other factors: Weight, friction, and drivetrain losses can all affect horsepower.

Example: A 998cc inline four-cylinder engine could produce anywhere from 50 horsepower (in a basic, naturally aspirated design) to over 200 horsepower (with a turbocharger, advanced engine management, and other performance upgrades).

To find the horsepower of a specific engine, you need to know the model and its specifications. Look for information from the manufacturer or reliable automotive websites.