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Duralast is AutoZone’s house brand and DieHard is sold at Advance Auto Parts. Both come in good, better and best tiers. We compared each pair on the specifications printed on the stores’ product pages, the warranty each store lists and the price on November 2, 2026. We did not test batteries in a lab, so we make no claims about real-world life beyond what the warranties promise.
Duralast Gold vs DieHard Gold (Group 48 / H6)
The better tier is what most cars without start-stop need.
| Duralast Gold 48 / H6 battery H6-DLGAutoZone | DieHard Gold H6 battery 48H6Advance Auto Parts | |
|---|---|---|
| Price | $219.99 | $219.99 |
| CCA | 730 | 750 |
| Reserve capacity | 115 min | 115 min |
| Battery type | Flooded | Flooded |
| Warranty | 3-year free replacement | 3-year |
| Core charge | $22.00 | $22.00 |
| Store link | View at AutoZone | View at Advance Auto Parts |
Prices checked on Nov 2, 2026 on each store's public website (store pickup prices for AutoZone at 4915 Belle Terre Parkway, Palm Coast, FL, and Advance Auto Parts at 904 N State St, Bunnell, FL 32110); store prices and availability vary by location. Prices are before tax and exclude any battery core charge or refundable deposit. Always confirm the final price and fit for your vehicle at checkout.
Duralast Platinum AGM vs DieHard Platinum AGM (Group 48 / H6)
AGM batteries are required in many vehicles with engine start-stop and in cars that came with AGM from the factory.
| Duralast Platinum 48 / H6 AGM battery H6-AGMAutoZone | DieHard Platinum AGM H6 battery H6-AGMAdvance Auto Parts | |
|---|---|---|
| Price | $264.99 | $264.99 |
| CCA | 760 | 760 |
| Reserve capacity | 120 min | 120 min |
| Battery type | AGM | AGM |
| Warranty | 4-year free replacement | 4-year |
| Core charge | $22.00 | $22.00 |
| Store link | View at AutoZone | View at Advance Auto Parts |
Prices checked on Nov 2, 2026 on each store's public website (store pickup prices for AutoZone at 4915 Belle Terre Parkway, Palm Coast, FL, and Advance Auto Parts at 904 N State St, Bunnell, FL 32110); store prices and availability vary by location. Prices are before tax and exclude any battery core charge or refundable deposit. Always confirm the final price and fit for your vehicle at checkout.
Every published number in that table matches. If your car needs an AGM battery, the choice between these two is really a choice of store: nearest location, installation and any current battery offer.
Every tier and group size we compared
Below are all eleven battery matchups. Prices tie at most tiers, and the Group 47 (H5) Gold was $5 cheaper at Advance; AutoZone was cheaper on the Group 24F Gold and on its Econocraft budget battery, while Advance had a DieHard Platinum flooded battery on sale.
| Part | AutoZone | Advance Auto Parts | Lower price |
|---|---|---|---|
| Group 48 (H6) battery, better tier | $219.99Duralast Gold 48 / H6 battery H6-DLGWarranty: 3-year free replacement | $219.99DieHard Gold H6 battery 48H6Warranty: 3-year | Same price |
| Group 48 (H6) AGM battery, best tier | $264.99Duralast Platinum 48 / H6 AGM battery H6-AGMWarranty: 4-year free replacement | $264.99DieHard Platinum AGM H6 battery H6-AGMWarranty: 4-year | Same price |
| Group 48 (H6) premium flooded / EFB battery | $179.99Duralast Platinum 48 / H6 EFB battery H6-EFB | $142.25 | Advance Auto Partsby $37.74 |
| Group 48 (H6) battery, good tier | $179.99Duralast 48 / H6 battery H6-DL | $189.99DieHard Silver H6 battery 48H6-1Warranty: 2-year | AutoZoneby $10.00 |
| Group 48 (H6) battery, budget tier | $99.99Econocraft Group 48 / H6 battery H6-E | $124.99DieHard Red 48H6 battery 48H6-0Warranty: 1-year | AutoZoneby $25.00 |
| Group 47 (H5) battery, better tier | $224.99Duralast Gold 47 / H5 battery H5-DLGWarranty: 3-year free replacement (Duralast Gold line) | $219.99DieHard Gold H5 battery 47H5Warranty: 3-year | Advance Auto Partsby $5.00 |
| Group 47 (H5) AGM battery, best tier | $264.99Duralast Platinum 47 / H5 AGM battery H5-AGMWarranty: 4-year free replacement (Duralast Platinum AGM line) | $264.99DieHard Platinum AGM H5 battery H5-AGMWarranty: 4-year | Same price |
| Group 94R (H7) AGM battery, best tier | $264.99Duralast Platinum 94R / H7 AGM battery H7-AGMWarranty: 4-year free replacement (Duralast Platinum AGM line) | $264.99DieHard Platinum AGM H7 battery H7-AGMWarranty: 4-year | Same price |
| Group 24F battery, better tier | $219.99Duralast Gold 24F battery 24F-DLGWarranty: 3-year free replacement (Duralast Gold line) | $244.99DieHard Gold 24F battery 24F-6Warranty: 3-year | AutoZoneby $25.00 |
| Group 35 battery, better tier | $219.99Duralast Gold 35 battery 35-DLGWarranty: 3-year free replacement (Duralast Gold line) | $219.99DieHard Gold 35 battery 35-2Warranty: 3-year | Same price |
| Group 65 battery, better tier | $219.99Duralast Gold 65 battery 65-DLGWarranty: 3-year free replacement (Duralast Gold line) | $219.99DieHard Gold 65 battery 65-2Warranty: 3-year | Same price |
Prices checked on Nov 2, 2026 on each store's public website (store pickup prices for AutoZone at 4915 Belle Terre Parkway, Palm Coast, FL, and Advance Auto Parts at 904 N State St, Bunnell, FL 32110); store prices and availability vary by location. Prices are before tax and exclude any battery core charge or refundable deposit. Always confirm the final price and fit for your vehicle at checkout.
Which should you buy?
Choose Duralast if
- You need a Group 24F: Duralast Gold was $25 cheaper
- You want the cheapest Group 48 option: Econocraft at $99.99
- You prefer AutoZone's 90-day return window
Choose DieHard if
- You want free installation: Advance lists it with purchase
- You want the higher listed CCA on the Gold H6 (750 vs 730)
- A DieHard sale is running, like the Platinum H6 at $142.25 when we checked
The warranty is the best guide to value. A $219.99 Gold battery with a 3-year free replacement costs about $73 per covered year; a $264.99 AGM with 4 years costs about $66 per covered year. Run your own numbers in the battery cost per year calculator.
Duralast Gold at AutoZoneDieHard Gold at Advance
Frequently asked questions
Not on paper. At the Gold and Platinum AGM tiers we compared, specs, warranties and prices were nearly identical. The choice comes down to the store, any current special and whether you want free installation.Is Duralast better than DieHard?
Neither store names the manufacturer on the product pages we checked, and suppliers can change over time, so we do not guess. Compare the published specs and warranty instead.Who makes Duralast and DieHard batteries?
We do not have independent life testing. The free replacement warranties are the same length at the same tier: 3 years for Gold and 4 years for Platinum AGM.Which lasts longer, Duralast or DieHard?
Keep comparing
Sources
We compare auto parts on published specs, warranty terms and dated store prices, and we link every store policy to its official page. We do not run a lab, so we never claim hands-on tests we did not do. About us · How we compare · Editorial policy