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The 4 Series Gran Coupe offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The ES Series doesn’t offer a heads-up display.
The power windows standard on both the 4 Series Gran Coupe and the ES Series have locks to prevent small children from operating them. When the lock on the 4 Series Gran Coupe is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The ES Series prevents the driver from operating the other windows just as it does the other passengers.
In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The 4 Series Gran Coupe offers available headlight washers to keep headlight output high. The ES Series doesn’t offer headlight washers.
To help drivers see further while navigating curves, the 4 Series Gran Coupe offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The ES Series doesn’t offer cornering lights.
The 4 Series Gran Coupe’s power mirror controls are mounted on the armrest for easy access. The ES Series’ power mirror controls are on the dash, hidden behind the steering wheel, where they are awkward to manipulate.
Both the 4 Series Gran Coupe and the ES Series offer optional heated front seats. The 4 Series Gran Coupe also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the ES Series.
The 4 Series Gran Coupe’s optional Parking Assistant can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The ES Series doesn’t offer an automated parking system.