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Hyundai Ioniq 6 running costs and reliability

2022 onwards (change model)
Running costs rating: 4.3 out of 54.3

Written by Keith Adams Updated: 7 July 2023

Miles per pound (mpp)

Low figures relate to the least economical version; high to the most economical. Based on WLTP combined fuel economy for versions of this car made since September 2017 only, and typical current fuel or electricity costs.
Electric motors, home charging 10.9 - 11.5 mpp
Electric motors, public charging 5.9 - 6.2 mpp
What is miles per pound?

Fuel economy

Low figures relate to the least economical version; high to the most economical. Based on WLTP combined fuel economy for versions of this car made since September 2017 only.
Electric motors 3.7 - 3.9 miles/kWh
View mpg & specs for any version

What are the running costs?

The upside of being offered with a large 77kWh battery pack as standard is a usefully long range. The lighter, cheaper single-motor Ioniq 6 is claimed to manage 338 miles on one charge, while the AWD model should be capable of 322 miles before a top-up is required, according to WLTP official tests.

We normally recommend subtracting around a fifth to a quarter off manufacturers’ claims, but our experience suggests that Hyundai range promises are more realistic than most. In testing, we found it very efficient when driven carefully, and in warmer weather, 280 miles at motorway speeds is easily achievable.

Super-fast 800-volt charging is baked into the hardware, which guarantees laser-fast public charging if you get caught short on the open road (charging from 10-80% takes 18 minutes). Plug into a more typical 7.4kW wallbox at home and the Ioniq 6 will take around 12 hours, so you should be topped-up overnight.

Note also the availability of digital cameras for door mirrors, in a move designed to improve the aerodynamics. This is an option and one we wouldn’t recommend. They only add around a mile of range and aren’t as easy to use as conventional mirrors, even if they are better than those you’d find in the Audi Q8 E-Tron.

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Hyundai Ioniq 6 front driving
Rear-wheel drive version has the best range at 338 miles.

Servicing and warranty

Hyundai’s warranty is one of the better ones in the industry, although it’s outshined by sister company Kia, Suzuki and MG’s seven-year packages as well as Toyota’s industry-leading 10-year scheme. You get a five-year, unlimited-mileage warranty and there’s a further eight-year, 100,000-mile warranty for the battery.

Hyundai offers an inclusive service pack for the Ioniq 6, with prices tailored specifically for each customer depending on their mileage and usage.

Reliability

  • Hyundai’s reliability reputation is excellent
  • Despite that, there’s lots of high-tech to go wrong
  • The firm always does well in reliability surveys

The Ioniq 6 is underpinned by some very impressive – and new – technology. The interior displays and parts are shared with the Ioniq 5, and so far, that has an excellent reputation for reliability and customer service. Expect the Ioniq 6 to be dependable and easily fixed if it does go wrong.

We’re comfortable is predicting the Ioniq 6 will be a painless ownership proposition as Hyundai scored well in the most recent JD Power customer satisfaction rankings, finishing third overall, behind only Skoda and Peugeot.

However, there’s a lot of new technology on offer, from the electronic driver assistance systems to the ‘Vehicle To Load’ charging and inevitably, more equipment means there are more things that can go wrong.