How much charge would an Ioniq 5 EV recover when going downhill? YouTubers attempt to find out

While it is true that electric vehicles(EVs) do not yet feature as substantial driving ranges as ICEs, it goes without saying that they have some clear, undeniable benefits. For instance, qualities such as instant torque, smooth power delivery, and the ability to harvest otherwise wasted energy when slowing down thanks to regenerative braking are just a few of the many advantages that set EVs apart.

In an attempt to establish how effective an EV's regenerative braking can be, the boys over at TFLEV took the pre-facelift dual-motor 77.4 kWhHyundai Ioniq 5 through the Loveland Trials that goes from 5,000 ft to 12,000 ft in elevation all the way to the Loveland Pass.This was done to guage how well the vehicle performs outside of the typical city roads as well as witness the real-world efficacy of regenerative braking in its most favorable of circumstances - going downhill.

The Ioniq 5 started its journey with an almost fully charged battery at 99%, which indicated an estimated range of around 254 miles. The climb soon reflected its impact on the battery consumption, as is to be expected when going uphill. After 70 miles or so, the Ioniq's battery dropped to 61% remaining with 150 miles of indicated range left - a commendable efficiency of around 2.34 miles/kWh.

However, the presenters were not concerned, as they were confident in the vehicle's regenerative braking system, which soon proved its might on the descent. In fact, throughout the test, the Ioniq 5 proved to be not just efficient, but also rather enjoyable to drive. Specifically, the EV's adjustable regenerative braking system, controlled via the typical steering-mounted pedals, allowed for a customizable driving experience.

The team had the option to choose between coasting like a typical ICE car which wouldn't regain any energy, or using the 'i-Pedal' mode for single-pedal driving, wherein releasing the accelerator pedal would bring the vehicle to a complete halt without requiring any brake input.

By the time the Ioniq 5 had returned to the base of the pass, it had covered almost 75 miles downhill while having consumed only around 10% of its battery - all thanks to the magic of regenerative braking.

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That being said, the Ioniq's lane-keeping assist did not particularly impress the presenters. When driving on the highway, adaptive cruise control worked well enough and managed to keep a safe distance from other vehicles. However, the lane-keeping assist function struggled on sections of the highway where the lane markings were less visible, requiring the driver to stay highly engaged.

Starting at slightly above $50,000, the dual-motor Hyundai Ioniq 5 did a great job tackling the mountain pass. Unlike ICE engines, there was no power loss due to altitude, since combustion engines depend on oxygen for doing their thing. However, to maximize range and efficiency when going downhill, be sure to have regenerative braking turned on.

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