Hyundai Ioniq 5 vs Kia EV6: charging compared
Charging curves overlaid, time-to-charge at every common UK charger speed, and per-network cost — modelled on each car's actual charging behaviour.
At a 150kW UK rapid (10% → 80%): the Kia EV6 finishes in 22m; the HyundaiIoniq 5 is within a minute.
Kia and Hyundai are sister brands and the EV6 and Ioniq 5 share Hyundai-Kia's 800V E-GMP platform, the same battery, the same motors and very nearly the same charging curve. On any charger, at any SOC, the two cars are within a couple of minutes of each other on a 10-80% top-up. So the charging answer here is: practically identical.
Both hold around 230-240kW from low SOC up to around 45-50%, then taper gradually. Both peak briefly above that on a fresh, pre-conditioned battery. The EV6's curve is marginally flatter on the way down, but in real road-trip conditions you wouldn't notice. Both support V2L, both have 11kW AC onboard chargers.
Where they differ is positioning. The EV6 is the more sports-tourer, lower-slung, sharper to drive. The Ioniq 5 is more SUV-shaped, slightly more practical, and arguably more distinctive in its retro-styled silhouette.
Choose by which car you'd rather sit in. Charging won't decide it.
Charging behaviour
- Hyundai Ioniq 5
- Kia EV6
Time to charge by charger speed
SOC range 15% → 80%. Cells softer where the charger speed exceeds the car's peak DC — higher chargers deliver the same time.
| Car | 7kW | 22kW | 50kW | 100kW | 150kW | 250kW | 350kW | 400kW |
|---|---|---|---|---|---|---|---|---|
| Hyundai Ioniq 5 | 6h 52m avg 7kW | 4h 22m avg 11kW | 58m avg 50kW | 29m avg 99kW | 21m avg 137kW | 17m avg 166kW | 17m avg 166kW | 17m avg 166kW |
| Kia EV6 | 6h 52m avg 7kW | 4h 22m avg 11kW | 58m avg 50kW | 29m avg 99kW | 21m avg 138kW | 17m avg 170kW | 17m avg 170kW | 17m avg 170kW |
Public network cost
15% → 80% session at PAYG rates, cheapest 5 rapid networks.
| Network | Ioniq 5 | EV6 |
|---|---|---|
| Tesla Supercharger 58.0p/kWh | £27.90 | £27.90 |
| Pod Point 62.0p/kWh | £29.82 | £29.82 |
| Believ 66.0p/kWh | £31.75 | £31.75 |
| SWARCO eVolt 75.0p/kWh | £36.08 | £36.08 |
| Allego 78.0p/kWh | £37.52 | £37.52 |
Home charging cost
Full 0% → 100% on each common UK tariff, cheapest rate slot.
| Tariff | Ioniq 5 | EV6 |
|---|---|---|
| British Gas Electric Driver 9.5p/kWh (Off-peak) | £7.03 | £7.03 |
| EDF GoElectric Overnight 9.0p/kWh (Off-peak) | £6.66 | £6.66 |
| E.ON Next Drive 6.7p/kWh (Off-peak) | £4.96 | £4.96 |
| Intelligent Octopus Go 6.9p/kWh (Off-peak) | £5.11 | £5.11 |
| Octopus Go 8.5p/kWh (Off-peak) | £6.29 | £6.29 |
| OVO Charge Anytime 7.0p/kWh (EV charging slot) | £5.18 | £5.18 |
| Standard Variable Price Cap 27.8p/kWh (Standard) | £20.57 | £20.57 |
Cost per mile
Real-world Wh/mile efficiency × representative tariffs.
| Scenario | Ioniq 5 | EV6 |
|---|---|---|
| Home smart off-peak | 1.9p/mile | 1.9p/mile |
| Tesla Supercharger | 16.8p/mile | 16.2p/mile |
| BP Pulse PAYG | 25.8p/mile | 24.9p/mile |
Considering any of these cars?
Salary sacrifice schemes typically save 30-40% on the monthly cost of an EV by paying through pre-tax salary. Common UK providers include The Electric Car Scheme, Octopus Electric Vehicles, Loveelectric and Tusker. We're working on partnerships so we can link directly — for now, read how we make money.
Common questions
Are the EV6 and Ioniq 5 really the same car underneath?
Same E-GMP platform, same 77.4kWh battery option, same 800V architecture, same 11kW AC charging. Different motors and different software calibration, but for charging purposes essentially identical.
Does one charge faster than the other in the real world?
Differences are within 1-2 minutes on a 10-80% top-up at any charger speed. Battery pre-conditioning state matters more than which model you bought.
Both support V2L?
Yes — Vehicle-to-Load is standard on both, providing 3.6kW of mains-voltage AC out of the car. Useful for camping or for running tools.