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  3. SUBARU BR-Z

SUBARU 300.SU1B25 Boxer Engine 2.4L 4K

fits model: D45, Brz, 300. make: Subaru. year: 2025.

300.su1b25 Subaru 2.4l D45 Boxer Engine 2025 Brz Br-z 4k Miles

( Model: BR-Z ), ( Conditions Options: 2.4, Mt, Rwd ), ( Genuine Oem: Yes ), ( Ipn: 300.su1b25 ), ( Engine Size: 2.4 L ), ( Fuel Type: Gasoline ), ( Type: Complete Assembly ), ( Block Type: Flat )

Review SUBARU 2.4l Boxer Engine Br z 4k Miles fits D45 BRZ 300 2025

Introducing the Subaru 300.SU1B25 2.4L D45 Boxer Engine, a powerful and efficient powertrain designed for the 2025 Subaru BRZ and BR-Z models. This engine is a testament to Subaru's commitment to delivering reliable, high-performance engines that provide an unforgettable driving experience.

The Subaru 300.SU1B25 engine is a horizontally opposed, or "boxer," design, meaning the pistons move side to side instead of up and down. This unique configuration offers several benefits, including reduced vibration, improved balance, and a lower center of gravity. The result is a smoother, more responsive engine that delivers exceptional power and torque.

This 2.4-liter engine boasts a displacement of 146.4 cubic inches and features a double-overhead camshaft (DOHC) design. The D45 engine code represents the fifth generation of Subaru's renowned D-series engines. The DOHC design provides better valve control, allowing for more efficient combustion and improved power output.

The Subaru 300.SU1B25 engine produces approximately 184 horsepower and 179 lb-ft of torque. This power output is achieved through a combination of advanced technologies, including direct fuel injection, high-tumble intake ports, and a high-performance exhaust system. The engine's compression ratio is 10.6:1, providing excellent efficiency and power during various driving conditions.

The engine block is made from an aluminum alloy, which not only reduces weight but also offers enhanced heat dissipation. The cylinder head is crafted from aluminum as well, while the pistons are made from forged aluminum for strength and durability. The connecting rods are made from steel for optimal balance and rigidity.

The Subaru 300.SU1B25 engine is equipped with a continuous variable automatic transmission (CVT) as standard. This transmission offers smooth, seamless power delivery and excellent fuel economy. However, it is also compatible with a six-speed manual transmission for those who prefer a more engaging driving experience.

The engine's cooling system is designed to ensure optimal performance under various driving conditions. It features a liquid-cooled intercooler, which helps maintain consistent intake air temperature for improved power output and fuel efficiency. The engine's oil cooling system ensures the engine stays at an optimal operating temperature for extended durability and reliability.

In summary, the Subaru 300.SU1B25 2.4L D45 Boxer Engine is a high-performance, fuel-efficient powertrain designed for the 2025 BRZ and BR-Z models. With its unique boxer design, advanced technologies, and excellent power output, this engine delivers an unforgettable driving experience. Its aluminum block and cylinder head, forged aluminum pistons, and steel connecting rods ensure strength, durability, and reliability. The engine's compatibility with both a CVT and manual transmission cater to various driving preferences.

Subaru BRZ (2025) 2.4L D4-S Boxer Engine: A Comprehensive Analysis

The Subaru BRZ (2025) with the 2.4L D4-S boxer engine is a sports car that has gained significant attention due to its unique design and performance. Here's a balanced analysis of this vehicle, focusing on its pros and cons.

Pros:

1. Agile Handling: The low center of gravity and rear-wheel-drive layout contribute to exceptional handling and agility, making the BRZ an ideal choice for driving enthusiasts.

2. Fuel Efficiency: The Subaru BRZ delivers impressive fuel economy, making it a cost-effective option for daily commuting or long-distance trips.

3. Engaging Driving Experience: The 2.4L boxer engine offers a thrilling driving experience with its linear power delivery and responsive acceleration.

4. Affordable Price Point: Compared to other sports cars in its class, the Subaru BRZ offers a more affordable price point, making it an attractive option for budget-conscious buyers.

5. Reliability: Subaru is known for manufacturing reliable vehicles, and the BRZ is no exception. Its boxer engine design and robust build quality ensure a long-lasting vehicle.

Cons:

1. Limited Cargo Space: The Subaru BRZ has a relatively small trunk and limited interior storage, making it less suitable for those who require ample cargo space.

2. Rough Ride: The BRZ's stiff suspension and low ground clearance can result in a harsh ride over uneven roads, which might not be to everyone's liking.

3. Limited Customization: Compared to other sports cars in its class, the Subaru BRZ offers limited customization options, which may be a drawback for some buyers.

4. Limited Rear Visibility: The BRZ's rear pillars and small rear windows can make it challenging to see when reversing or changing lanes, which might require additional caution.

5. Limited Passenger Space: The BRZ is a compact sports car, which means it has limited passenger space. Taller passengers or those with larger frames might find the seats uncomfortable or cramped.

Conclusion:

The Subaru BRZ (2025) with the 2.4L D4-S boxer engine offers a unique blend of performance, agility, and affordability. While it may have some drawbacks, such as limited cargo space and a rough ride, these issues are often outweighed by the engaging driving experience and reliable build quality. Ultimately, this sports car is an excellent choice for driving enthusiasts who prioritize agile handling, responsive acceleration, and a thrilling driving experience.

Recommendation:

If you're in the market for a sports car that offers impressive handling, a thrilling driving experience, and a reasonable price point, the Subaru BRZ (2025) with the 2.4L D4-S boxer engine should be on your shortlist. While it may not be perfect for everyone, its pros far outweigh its cons, making it a solid investment for driving enthusiasts.

Details:

No expedited shipping is available.

specifications grokengines:

  • for models: D45, Brz, 300
  • for makes: Subaru
  • for years: 2025
  • model: Br-z
  • conditions options: 2.4, Mt, Rwd
  • genuine oem: Yes
  • ipn: 300.su1b25
  • engine size: 2.4 L
  • fuel type: Gasoline
  • type: Complete Assembly
  • block type: Flat

returns grokengines:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer

general grokengines:

  • condition: Used
  • Car Truck Parts Accessories > Engines Engine Parts > Engines

shipping grokengines:

  • class: Freight
  • type: Fixed
  • cost: $450.00
  • service: Flat Rate Freight

seller grokengines:

  • city: Richland, Mississippi
  • rating: 99.9%
  • # reviews: 54534

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  • credit card: Mastercard
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offer grokengines:

  • sold: 0
  • best offers: True
  • quantity: 1
  • started: February 19, 2026
  • availability: In Stock
  • options: Ship-to-home
for models: d45, brz, 300, for makes: subaru, for years: 2025, conditions options: 2.4, mt, rwd, genuine oem: yes, engine size: 2.4 l, fuel type: gasoline, type: complete assembly, block type: flat,
manufacturer: subaru, category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 7432585476171861,

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  • Offer #1: $6000.00 price + $450.00 shipping estimate = $6450.00* total. ENGINE ASSEMBLY (INTAKE TO OIL PAN) LESS BELT DRIVEN ACCESSORIES.+$450.00 shipping

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