Meanwhile, the fuel system is managed via a gasoline direct injection system for precision in the delivery of the right air and fuel ratio to the engine. The DOHC configuration further guarantees better airflow at high engine operations and the AVCS complements this with its enhanced scavenging effect that brings about more efficiency and fuel economy, especially during high engine loads. In addition, the engine features a dual-overhead camshaft (DOHC) with four valves per cylinder and utilizes an active valve control system (AVCS). These contribute to a compression ratio of 12.5:1 which allow an engine to optimize the extraction of mechanical energy from the combustion process while keeping fuel economy and emissions in check. It has a bore of 94 mm and a stroke of 90 mm to put a balance between engine rev and fuel economy. The displacement of the engine sits at 2,498 cc and it uses natural aspiration, making it more effective in moving more air and fuel, allowing it to produce more power. The vehicle's lighter weight improves fuel efficiency, too. As a result, acceleration is faster and the ride is more enjoyable. These present efficiency in air cooling because of the airflow distributed evenly across the four cylinders.įor its application in the Subaru Outback, the Boxer engine's smaller size, as well as its all-aluminum construction, reduces the engine's weight. ![]() In general, the boxer-four layout leverages from its minimal vibration, a low center of gravity, and a short engine length. The 2.5L engine used by the 2022 Subaru Outback is packaged with a flat-four engine, also commonly referred to as a boxer-four engine due to its layout. Key Specs of the 2022 Subaru Outback 2.5L Engine Hopefully, these will help potential buyers or new owners of the sixth-generation Outback see whether or not they are getting the best value for their money from the product. This article tackles some of the key features of the 2.5L engine of the Outback, including the following: So, in this article, we will see whether it does live up to expectations or it inherited some of the major problems that plagued its precursor. The engine promises better responsiveness at low torques, better fuel economy, and overall performance than its predecessor. The FB-series comes in as the successor of the famous or infamous EJ25-depending on whose side of the story you're on. One of the signature boxer engines of Subaru that made it to the Outback is the 2.5L engine with the designation FB25. Continuing its maker's 69 years of legacy is the Outback SUV, which has always been known for its high-mileage capability, resiliency, and overall versatility that can accommodate any lifestyle. ![]() The Japanese brand's unique always-on Symmetrical All-Wheel Drive (SAWD) system has been the foundation of its vehicles for decades. Subaru vehicles are known for their unwavering capability, which is due to the expert engineering that underpins them.
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