What is the difference between Auto Start-Stop and Auto Hold?

[MichaelRose]

Auto Start-Stop and Auto Hold have the following differences: 1. Different purposes: The main purpose of Auto Hold is to increase the convenience for drivers and passengers, avoiding accidents caused by vehicle rollback while waiting at traffic lights; whereas Auto Start-Stop is more focused on environmental protection, primarily by recognizing the vehicle's driving status and shutting off the engine to achieve energy savings and emission reduction. 2. Different working states: When Auto Hold and Auto Start-Stop are in operation, the former allows complete release of both feet, while the latter requires continuous braking to ensure the Auto Start-Stop function works properly.

[StBrady]

After driving for so many years, I feel that auto start-stop and auto hold are like two completely different assistants. The auto start-stop is mainly for fuel saving—it temporarily shuts off the engine every time the car stops at a red light, reducing emissions and saving some money for the wallet, though the slight jerk during restart feels a bit unpleasant. On the other hand, auto hold makes driving easier, especially when parking on slopes—the car automatically brakes to prevent rolling, so you don’t have to keep your foot on the brake pedal, avoiding driving fatigue. The key difference lies in their functional focus: auto start-stop manages the engine, targeting environmental protection and fuel efficiency; auto hold manages the braking system, providing safety and control convenience. Personally, I recommend using start-stop more in traffic jams to save fuel and relying on auto hold for safety on mountain roads—just don’t confuse the two.

[DeMorgan]

As a little tech enthusiast who often tinkers with cars, let me explain the difference between these two features. Auto Start-Stop relies on sensors to detect when the car is fully stopped and automatically shuts off the engine, reducing idle time for better fuel efficiency and environmental benefits, though engine restart may cause slight vibrations. Auto Hold, on the other hand, is a braking system assist that automatically locks the brakes after a complete stop, allowing the driver to release their foot—especially useful on slopes to prevent rolling, enhancing driving comfort. Essentially, Auto Start-Stop is an energy-saving technology, while Auto Hold is an innovation focused on safety and convenience. Many new cars come equipped with both, making them quite user-friendly. If you frequently drive in congested urban areas, combining both features can significantly reduce stress and costs.

[AngelaFitz]

Driving to work daily, I have a deep understanding of auto start-stop and auto hold. Auto start-stop saves fuel by automatically shutting off the engine during traffic jams or at red lights, which sounds eco-friendly, but the slower restart affects driving smoothness. Auto hold is more practical—it automatically holds the brakes after the car stops, so you don’t need to keep your foot on the pedal, preventing rollback in garages or on slopes, making driving much easier. The difference? Start-stop focuses on engine fuel savings, while auto hold improves driving comfort. Commuters are better off enabling auto hold to give their legs a break, but start-stop isn’t always necessary. Considering this when choosing a car can save some hassle.