Does the 2019 Buick LaCrosse have auto start-stop?
Yes. The EPA lists automatic engine start-stop on every 2019 Buick LaCrosse configuration.
Key takeaways
- Start-stop cars restart the engine many times per drive, so they are usually fitted with an AGM or EFB battery - replace like with like.
- The 2.5L 4-cylinder hybrid mild hybrid is a mild hybrid, with a separate higher-voltage battery besides the 12V one.
- Most systems have an off button that disables start-stop until the engine is next started; some models remember the setting.
| Engine | Drive | Transmission | Start-stop |
|---|---|---|---|
| 2.5L 4-cylinder hybrid mild hybrid | FWD | 6-speed automatic | Yes |
| 3.6L 6-cylinder | AWD | 9-speed automatic | Yes |
| 3.6L 6-cylinder | FWD | 9-speed automatic | Yes |
Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.
2019 Buick LaCrosse battery size, type and CCA → Some start-stop cars also need the new battery registered: which ones →
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