NIO ET7 and XPeng P7 are both top performers in the high-end electric vehicle market, each with its own unique advantages. Here is a comparison of the two models:

1. Range performance: NIO ET7 offers two versions with ranges of 500km and 700km, and the upcoming 150kWh version will achieve a range of 1000km. In the 2022 New Energy Winter Test, NIO ET7 ranked first with a low-temperature range of 375.7km. XPeng P7 also has excellent range capability, but specific figures were not mentioned.

The power performance of the XPeng P7 boasts a 0-100km/h acceleration time of 3.95 seconds, demonstrating its robust power performance. The NIO ET7's initial acceleration capability is comparable, but the P7 has a superior reserve of power in the latter stages.

3. Exterior Design: The XPeng P7 boasts a drag coefficient of 0.236cd, showcasing the sleek and streamlined design. The NIO ET7 shares many similarities with the P7 in terms of exterior design, but the "horns" on top of the ET7 are equipped with lidars as standard across all series, enhancing the vehicle's distinctiveness and sense of technology.

Size Comparison: The dimensions of XPeng P7 are slightly larger than those of the NIO ET7, but the ET7 is wider. Both vehicles' dimensions are among the upper echelons in the medium-sized sedan category.

5. Smart features: The NIO ET7 is equipped with automatic emergency braking, lane departure warning, intelligent adaptive cruise control, and is powered by theAquila NIO SuperSense system, offering an advanced smart driving experience.

The seating experience of NIO ET7 is excellent in terms of ride quietness, especially when driving on highways, where sound insulation, wind noise, and tire noise are all handled very well.

To sum up, the NIO ET7 and XPeng P7 each have their own merits, and consumers can choose according to their own needs and preferences.