When choosing a battery for the Subaru Outback IV, manufactured between 2009 and 2014, there are several important factors to consider to ensure not only a reliable start but also long-term, trouble-free operation of all vehicle systems. The engine variants available in this model, including the 2.5 i, 2.5 i AWD, 3.6 R (all petrol), as well as the 2.0 D diesel, have very similar battery requirements, which simplifies the selection process to a great extent. None of these engines are equipped with a Start-Stop system, which means you do not need to look for batteries specifically adapted for the increased cycling typical of such systems. This gives you a wider choice among traditional lead-acid batteries, which are well-suited for these vehicles.
The optimal battery capacity for the Subaru Outback IV from these years ranges from 60 to 65 Ah. This range is carefully selected to provide enough reserve power for both starting the engine and supplying additional onboard electronics, especially in colder climates where battery performance can drop significantly. A capacity within this interval ensures the battery is neither under nor over-specified, which could otherwise lead to premature wear or insufficient power. In addition to capacity, attention should be paid to the cold cranking amps (CCA), which for this model should be between 390 and 580 A. The CCA value is crucial, especially for the diesel variant, as diesel engines require more power to start, particularly in winter. However, the specified range comfortably covers all offered engine versions. Choosing a battery with a CCA near the upper end of this range will provide extra reliability during harsh weather.
It is also important to note the type of battery best suited for this vehicle. For the Subaru Outback IV, lead-acid batteries are recommended. These are time-tested, reliable, and relatively affordable, making them a practical choice for most users. Within this category, you may come across both standard flooded batteries as well as more advanced EFB or AGM types, but since the Outback IV lacks the Start-Stop system, traditional lead-acid options are entirely sufficient. However, opting for a reputable brand can bring additional benefits, such as improved durability, better warranty terms, and consistent quality.
When selecting a battery, the physical fit is crucial, as improper sizing can lead to installation problems or even damage. An interesting detail about the Subaru Outback IV is the type of battery mounting used. While many European cars commonly use batteries with B13 mounting, this Subaru model utilizes B0 or Korean B1 mounting. This means standard European battery sizes may not fit properly, so it is essential to double-check the mounting specifications before purchase. Installing a battery with the correct mounting ensures not only a secure fit but also proper connection and safety during operation. This detail sometimes surprises owners accustomed to more standard battery shapes and fixings.
Some of the example, suitable battery models for the Subaru Outback IV, regardless of engine choice, include the Bosch S40 24, Exide EA654, Exide EB604, Lucas LP005, and Varta D47. These batteries meet the required capacity, cold cranking amps, and mounting specifications. It is worth noting that these are just examples, and the market offers a wider selection from various brands that also meet the technical criteria. When choosing among them, it is wise to check the production date to avoid purchasing an old battery, as batteries degrade over time, even in storage.
A lesser-known but interesting fact is that the Subaru Outback’s electrical system is known for its resilience, but still, frequent short trips or leaving electrical devices running while the engine is off can shorten the battery’s lifespan. Therefore, regular maintenance, such as checking the battery terminals for corrosion and ensuring the charging system is working correctly, will help extend the life of your new battery. Also, be aware that extreme temperature swings, whether hot or cold, can affect performance, so if you live in a particularly harsh climate, choosing a battery with higher CCA might pay off in the long run. In summary, selecting a battery for the Subaru Outback IV 2009-2014 is straightforward if you stick to the recommended specifications and ensure the correct mounting type. This attention to detail will guarantee robust performance and reliable starting power over the years.
Subaru Outback in version IV was produced in the years 2009 – 2014. Below we present the specifications of batteries suitable for specific engines.
Basic parameters of batteries suitable for Subaru Outback (2009-2014):
| Layout | Terminal types | Base hold-down |
|---|---|---|
| 0 – positive on the right side | 1 | Korean B1 |
| 0 – positive on the right side | 1 | B0 |
Subaru Outback IV – petrol engines:
- 2.5 i
- 2.5 i AWD
- 3.6 R
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 24 | 60 Ah 540 A | 232x173x225 mm | More |
| Exide Excell EB604 | 60 Ah 390 A | 230x173x222 mm | More |
| Exide Premium EA654 | 65 Ah 580 A | 230x173x222 mm | More |
| Lucas Premium LP005 | 60 Ah 540 A | 230x170x225 mm | More |
| Varta Blue Dynamic D47 | 60 Ah 540 A | 232x173x225 mm | More |
Subaru Outback IV – diesel engines:
- 2.0 D
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 24 | 60 Ah 540 A | 232x173x225 mm | More |
| Exide Excell EB604 | 60 Ah 390 A | 230x173x222 mm | More |
| Exide Premium EA654 | 65 Ah 580 A | 230x173x222 mm | More |
| Lucas Premium LP005 | 60 Ah 540 A | 230x170x225 mm | More |
| Varta Blue Dynamic D47 | 60 Ah 540 A | 232x173x225 mm | More |
If you’re still unsure which battery fits your Subaru Outback , or if you want to help others in their selection, please send us a photo of your current battery in the comment section at the bottom of the page. You can also send the picture to contact@whatbattery.co.uk (we will place it in the comments to also help other users). Be sure to specify the car model, year, type, as well as the engine capacity and power. We’ll do our best to assist you!