Here’s How Much A Roof Box Impacts EV Efficiency

Summary

In this video, Zach reviews the efficiency of his 2022 Hyundai Ioniq 5 SEL with all-wheel drive, conducting a road trip test with a Thule XXL roof box. After four months of ownership, he tests the car's efficiency with and without the box on a 70 mph loop from Wellington, Colorado to Cheyenne. The test includes driving in eco mode with a fan speed of one and a temperature set at 68, simulating a family road trip. The results show a slight decrease in efficiency with the roof box, but it's deemed worth it for the extra storage space, especially for an upcoming Texas trip.

Takeaways

• 📕 Zach introduces an efficiency test for his 2022 Hyundai Ioniq 5 SEL with a roof box, aiming to assess its impact on the car's efficiency.
• 💵 The test involves driving the car with and without the Thule XXL motion XT roof box to compare efficiency.
• 📻 The Hyundai Ioniq 5 is used frequently for road trips, particularly to Texas, which is why understanding the impact of the roof box is important.
• 💲 Zach opts for the most aerodynamic roof rack setup from Thule available in May 2022, despite its high cost.
• 💵 The Thule roof box offers 22 cubic feet of storage, which could significantly increase the car's trunk space.
• 💲 The car is charged to 80% before the test, and the efficiency is measured using a 70 mph loop-style test.
• 💵 The test includes driving with the car's eco mode on, fan speed at one, and temperature set at 68 degrees Fahrenheit.
• 💲 The initial test without the roof box shows a 2.6 miles per kilowatt hour efficiency.
• 💵 The second test with the roof box installed and loaded with items shows a slightly reduced efficiency of 2.3 miles per kilowatt hour.
• 💲 The Hyundai Ioniq 5's Drive Assist feature experiences some issues, particularly with lane positioning in certain stretches of the road.
• 💵 Despite the wind and the added weight from the roof box, the car performs well, with Zach expressing satisfaction with the Thule box's performance.
• 💲 The final efficiency with the roof box is comparable to the initial test without it, indicating a minimal impact on efficiency.

Q & A

What is the main focus of Zach's video?

The main focus of Zach's video is to test the efficiency of his 2022 Hyundai Ioniq 5 SEL with an all-wheel drive and a big battery, specifically to see how a roof box affects its efficiency.

What type of roof box is being tested on the Hyundai Ioniq 5?

Zach is testing the Thule XXL Motion XT roof box, which is the largest box that Thule makes at the time of filming.

How long has Zach owned the Hyundai Ioniq 5 featured in the video?

Zach has owned the Hyundai Ioniq 5 for about four months at the time of the video.

What is the purpose of the efficiency test with the roof box?

The purpose of the efficiency test is to determine how much the roof box affects the car's efficiency, which is important for Zach's upcoming long road trips.

What is the first step in Zach's efficiency test?

The first step in Zach's efficiency test is to run the car without the box on a 70-mile per hour loop-style test.

What is the second step in Zach's efficiency test after running the car without the box?

After running the car without the box, Zach will go home, put the box on, put some stuff in it to add weight, and then repeat the loop-style test with the box.

What is the significance of the 70-mile per hour loop-style test?

The 70-mile per hour loop-style test is significant because it simulates real-world driving conditions and allows for a controlled comparison of efficiency with and without the roof box.

What is the capacity of the Thule XXL Motion XT roof box?

The Thule XXL Motion XT roof box has 22 cubic feet of storage.

What is the cost of the Thule roof box and installation?

The cost of the Thule roof box and installation is not explicitly stated in the script, but Zach mentions that it was very expensive and that he paid for it out of his own pocket.

How does the presence of the roof box affect the Hyundai Ioniq 5's efficiency?

The presence of the roof box results in a slight decrease in efficiency, with Zach noting a 10% drop in battery after 17 miles, but the exact impact is still being tested.

What additional tests does Zach plan to do with the Hyundai Ioniq 5 in the future?

In the future, Zach plans to do a range test with towing, using the Hyundai Ioniq 5 to tow their overlanding trailer.