K1
Casper platform (A segment)Hyundai's A-segment platform, developed for the petrol Casper and adapted to carry an electric drive — sold in Europe as the Inster. Not a dedicated skateboard: the pack sits in a converted combustion floor, and the wheelbase has been stretched compared with the Casper. 400V, front-wheel drive. For CarMatch an affordable, compact city EV with surprisingly much range for the segment — check the battery health and charging behaviour.
K1 is the EV platform of Hyundai Motor Group, in production since 2024, with a 400V architecture. The K1 platform carries 1 model from 1 brand. The WLTP range of the current variants on K1 runs from 327 to 370 km.
Pick the car first, then the version — chemistry, battery and drive differ per version.
Platform schematic
Hyundai Inster
Long Range· verified| Battery (gross) | 49 kWh NMC |
|---|---|
| Battery (usable) | 46 kWh |
| Drivetrain | FWD |
| Power | 85 kW |
| Motors | 1× · 1 front / 0 rear |
| WLTP range | 370 km |
| Real range (estimate) | ±295 km |
| Max DC charging | 85 kW |
| 10 → 80% | ±29 min |
Charging speed per variant
peak DC charging power · 10 → 80%
Models on this platform
Platform evolution
- 2024Inster unveiledHyundai brings the electric Casper as the Inster to Europe
- 2025Long Range & CrossA 49 kWh pack and the more rugged Inster Cross broaden the range
Frequently asked questions
- Which models are built on the K1 platform?
- The K1 platform carries Hyundai Inster.
- Which group owns the K1 platform and how long has it been in production?
- The K1 platform was developed by Hyundai Motor Group, has been in production since 2024 and runs at 400V.
- Which variant on the K1 platform charges fastest?
- The Hyundai Inster Long Range charges on the K1 platform at a peak of 85 kW and goes from 10 to 80% in ±29 minutes.
- What is the WLTP range on the K1 platform?
- The verified variants on the K1 platform reach a WLTP range of 327 to 370 km.
Verify the specifications of each version before purchase or customer use. Real-world range is a CarMatch estimate for mixed driving, not a manufacturer figure. Battery values are gross packs; charging times are approximations. Not a homologation document, not an offer.