Chevrolet Malibu 12V Battery Size and Replacement: 2013 Model Year
The short answer
Parts catalogs commonly list a Group 48 battery, also labeled H6, for the 2013 Chevrolet Malibu. No verified manufacturer specification was supplied for this article, so treat that size as a starting point rather than a confirmed fit. Confirm it against your own car before buying, especially if you have the Malibu Eco or a car from outside North America.
What "group size" means
Group size is an industry code for a battery's case dimensions, terminal positions and terminal type. Matching it ensures the battery fits the tray, the hold-down clamp secures it and the cables reach the correct posts. Some brands label the same size with a number such as 48 and others with a European-style code such as H6, so both labels can describe the same case.
Conditions that can change the answer
Powertrain: the 2013 Malibu was offered with different engines, including the Eco with GM's eAssist mild-hybrid system. Catalogs may list a different 12V battery or battery type for the Eco, so check by exact powertrain rather than model name alone. The Eco's hybrid pack is a separate component: the eAssist system uses its own high-voltage battery in addition to the 12V battery. A no-start or dead-accessory problem usually involves the 12V battery, which is the one sold at parts counters. Market: specifications for cars sold outside North America can differ, and this article could not verify them. Previous replacements: a past owner or shop may have installed a different size, so the battery currently in the car is not proof of the correct original fitment.
How to confirm the right battery for your car
Read the label on the installed battery for its group size, cold cranking amps and battery type. Check the owner's manual for the battery specification. Use a parts retailer's lookup with your exact model year, engine and trim, or with your VIN, which identifies the specific build. Compare the replacement's specifications to the original equipment rather than relying on the size code alone.
Specifications to match besides size
Cold cranking amps (CCA) measure how much current a battery can deliver to start an engine in cold weather. Choose a replacement that meets or exceeds the CCA rating of the original battery or the figure in your manual. No CCA figure for the 2013 Malibu was available for this article, so take that number from your existing battery label or the manual.
Battery type also matters. An AGM (absorbent glass mat) battery is a sealed design often specified for vehicles with heavier electrical demands or hybrid assistance. If your car came with an AGM battery, replace it with another AGM unit rather than a conventional flooded battery.
Information this article could not verify
No source material was supplied for battery location, physical dimensions, CCA ratings, reserve capacity, whether the Eco requires a different 12V battery, any battery registration or relearn procedure after replacement, or prices. Confirm these points with your owner's manual, a VIN-based parts lookup or a Chevrolet dealer before you buy or install a battery.