Replacement batteries for a 2008 Subaru typically cost between $70 and $250, depending on type and brand, with higher-end AGM or OEM-style batteries often more expensive; installation and core charges may apply.
The exact price depends on your specific model (Impreza, Forester, Outback, Legacy), the battery’s group size and cold-cranking amps (CCA), warranty length, and where you shop. Subarus from that year often use common group sizes such as 35 or 24F, but you should verify the correct size and fit for your vehicle before purchasing.
What affects the price
Prices are driven by the battery’s size and technology, the brand and warranty, and where you buy. The following factors most influence what you’ll pay for a 2008 Subaru battery.
- Battery type: flooded lead-acid vs AGM (absorbed glass mat) technology
- Group size and CCA rating required by the vehicle
- Brand and warranty length (shorter vs longer warranties)
- Retailer (auto parts chain, dealership, warehouse club, or online)
- Installation options and potential core charges
Understanding these factors helps you estimate total cost and choose a battery that matches your climate and driving habits.
Common battery types and group sizes for 2008 Subaru
For many 2008 Subaru models, common group sizes are Group 35 and Group 24F. Some variants may use Group 25 or other sizes. Confirm the exact group size by checking the current battery label, owner’s manual, or the dealership/parts counter with your VIN.
Group size basics
- Group 35: A widely used size for many 2008 Subarus, offering a balance of capacity and fit
- Group 24F: Another common size for certain Legacy/Outback/Impreza configurations
- Group 25: Less common for 2008 Subarus but possible in some trims
Always verify the correct group size and CCA for your exact model before purchasing a replacement.
Where to buy and what to expect
Sources for replacement batteries vary. Prices can differ by retailer, and some offers include installation or special promotions.
- Auto parts chains (e.g., AutoZone, Advance Auto Parts, O'Reilly, Napa)
- Subaru dealership service departments
- Wholesale clubs or big-box retailers where available (availability varies by region)
- Online retailers with local pickup or home delivery
When shopping, look for a warranty that matches your needs (typically 3–5 years for standard flooded, longer for AGM), check for core charge details, and consider whether free installation is offered with your purchase.
Tips to save money and ensure a proper fit
To get the best value without sacrificing reliability, consider these strategies:
- Shop around and compare prices across stores and online retailers
- Check for promotions, discounts, or bundled offers with installation
- Ask about free or discounted installation if you’re buying locally
- Verify the warranty terms and whether the warranty is prorated
- Double-check the battery’s CCA and reserve capacity to suit cold-weather driving
Following these tips can help you secure a battery that fits your 2008 Subaru’s needs while staying within budget.
Summary
For a 2008 Subaru, budget roughly $70–$250 for a standard flooded battery and $150–$350 for an AGM or premium option, plus any installation and core charges. The exact price depends on the model, required group size (commonly 35 or 24F), CCA, warranty, and where you buy. Always verify the correct size and warranty terms, compare multiple retailers, and consider installation costs to get the best overall deal.