BYD Seal U vs Hyundai Casper Electric (Inster)
The Hyundai Casper Electric (Inster) leads on 10–80% charge. The BYD Seal U leads on cargo space.
SUV
Comfort
1 of 2 versions
checked Sep 16, 2026 · byd.com
38/100#215 of 281 · Everyday
SUV
2025 CASPER Electric Inspiration Long Range (15-inch)
1 of 3 versions
South Korea · checked Feb 10, 2025 · casper.hyundai.com
28/100#242 of 281 · Everyday
Who's ahead - and by how much?
BYD Seal UBYD Seal UCasper Electric (Inster)Hyundai Casper Electric (Inster)
- Range (WLTP)
A disputed figure or another version's - not compared.
- 10–80% chargelower is better- best on this row12 min faster· 29%
- Fast-charge peak- best on this row+30 kW· 35%
- Cargo space- best on this row+5.1 cu ft· 52%
- Full charge at 240 Vlower is better- best on this row3.5 h faster· 47%
- Top speed- best on this row+16 mph· 17%
Every spec side by side
| Spec | BYD Seal U | Hyundai Casper Electric (Inster) |
|---|---|---|
| Range and efficiency | ||
| Range (WLTP) | ||
| Efficiency lower is better | ||
| Battery | ||
| Charging | ||
| Fast-charge peak | - best on this row | |
| 10–80% charge lower is better | - best on this row | |
| Full charge at 240 V lower is better | - best on this row | |
| AC charging | ||
| DC port | no data | |
| Performance | ||
| 0–62 mph lower is better | ||
| Power | ||
| Torque | - best on this row | |
| Top speed | - best on this row | |
| Drive | ||
| Space and size | ||
| Cargo space | - best on this row | |
| Seats | ||
| Length | ||
| Width | ||
| Height | ||
| Wheelbase | ||
| Ground clearance | ||
| Weight | no data | |
| Battery and warranty | ||
| Battery warranty | ||
| Cell chemistry | ||
| Equipment | ||
| Heat pump | ||
| Vehicle-to-load (V2L) | ||
Which one suits you?
Pick the BYD Seal U if
Pick the Hyundai Casper Electric (Inster) if
Score by category
out of 100
BYD Seal UHyundai Casper Electric (Inster)
Range
5736Charging
1017Performance
2911Practicality
6228
How much is each in the US?
Questions
Which goes further on a charge?
Range (WLTP)
- BYD Seal U
- 261 miWLTPcontested: sources disagree
- Hyundai Casper Electric (Inster)
- 221 miWLTP
Which charges faster?
Hyundai Casper Electric (Inster)Casper Electric (Inster)
10–80% charge
- Leader
- Hyundai Casper Electric (Inster)
- BYD Seal U
- 42 min
- Hyundai Casper Electric (Inster)
- 30 min
- Ahead by
- 12 min
Fast-charge peak
- Leader
- BYD Seal U
- BYD Seal U
- 115 kW
- Hyundai Casper Electric (Inster)
- 85.3 kW
- Ahead by
- 30 kW
Which is quicker?
0–62 mph
- BYD Seal U
- 9.3 scontested: sources disagree
- Hyundai Casper Electric (Inster)
- 10.6 s
Where next
Compare with others
BYD Seal U vs
Where the numbers come from
Checked Oct 27, 2026 · 21 sources
Every source link (46)
- https://www.byd.com/eu/electric-cars/seal-u.html
- https://www.byd.com/material/byd-site/pl/campaign/1502/Seal%20U-0226-BPS-PL-V1.pdf
- https://www.byd.com/eu/car/seal-u
- https://www.byd.com/material/byd-site/eu/pdfs/seal-u/Seal%20U-0225-BPS-EN-V5.pdf
- https://www.byd.com/eu/hybrid-cars/seal-u-dm-i
- https://www.byd.com/es-es/news-list/nuevo-byd-seal-u-un-suv-familiar-100-electrico-practico-espacioso-comodo-y-respetuoso-con-el-medio-ambiente
- https://media.byd.com/byd-expands-european-portfolio-with-new-byd-seal-u-practical-spacious-comfortable-family-oriented-and-eco-conscious-electric-suv/?lang=eng
- https://www.byd.com/content/dam/byd-site/hr/pdfs/seal-u/BYD_SEAL_U-0524-BPS-EN-V4-web.pdf
- https://www.byd.com/content/dam/byd-site/hu/pdfs/seal-u/BYD_SEAL_U_Leaflet_300724.pdf
- https://www.byd.com/de/konfiguration/seal-u
- https://www.byd.com/material/byd-site/nl/pdfs/pricelist_jan_2026/ev/Prijslijst%20BYD%20SEAL%20U%20EV%20per%2001-01-2026.pdf
- https://www.gas-junky.at/2024/10/04/byd-seal-u-im-praxistest-the-right-seal-for-u/
- https://www.topgear.com/car-reviews/byd/seal-u
- https://www.byd.lt/media/4rhlhtgq/seal-u.pdf
- https://www.parkers.co.uk/byd/seal-u/review/
- https://www.adac.de/rund-ums-fahrzeug/autokatalog/marken-modelle/byd/seal-u/1generation/329431/
- https://en.wikipedia.org/wiki/BYD_Song_Plus
- https://citywestcountry.co.uk/byd-seal-u-dm-i-charging-guide/
- https://www.hyundai.com/eu/en/models/inster/design.html
- https://www.hyundai.com/content/hyundai/worldwide/en/newsroom/detail/hyundai-inster-redefines-urban-mobility-with-affordable-innovation-impressive-range-and-distinctive-design-0000000860.html
- https://www.hyundai.com/worldwide/en/newsroom/detail/hyundai-inster-new-a-segment-sub-compact-ev-delivers-unique-design-with-segment-leading-range-and-versatility-0000000788
- https://www.hyundai.com/eu/en/models/inster.html
- https://www.hyundai.com/eu/models/inster/inster-cross.html
- https://www.hyundai.news/eu/articles/press-releases/hyundai-inster-world-premiere.html
- https://www.hyundai.com/au/en/cars/eco/inster
- https://www.hyundai.com/uk/en/models/inster.html
- https://www.hyundai.com/eu/en/models/inster/trims.html
- https://casper.hyundai.com/wcontents/repn-car/catalog/AX03/AX_CASPER_Electric_catalog.pdf
- https://www.hyundai.com/eu/en/models/inster/inster-lounge.html
- https://www.hyundai.com/eu/en/models/inster/features.html
- https://www.hyundai.news/eu/models/electrified/inster/press-kit/all-new-inster.html
- https://www.hyundai.com/uk/en/models/inster/trims-prices.html
- https://carfueldata.vehicle-certification-agency.gov.uk/downloads/create_latest_data_csv.asp?id=6
- https://casper.hyundai.com/wcontents/repn-car/catalog/AX03/AX_CASPER_Electric_price.pdf
- https://www.hyundai.com/uk/en/models/inster/features.html
- https://drivingenthusiast.com.au/2024/11/2025-hyundai-inster-casper-review-international-launch/
- https://zecar.com/electric-vehicles/hyundai/inster/2025/2wd
- https://news.euroncap.com/all-brands/from-range-anxiety-to-charging-time--green-ncap-tests-show-how-today-s-evs-perform-in-the-real-world/S/4530bb9e-1dc0-4012-9278-a68570c87ff6
- https://www.mobile01.com/topicdetail.php?f=585&t=7220293
- https://www.hyundai.com/content/dam/hyundai/kr/ko/data/ev/hyundai-battery-cell-info-2510.pdf
- https://news.euroncap.com/greenncap/choose-a-car/hyundai-inster---green-ncap-2025-results---five-stars/s/36d2c30c-a6f5-4eb3-8bab-26f34e9fe774
- https://www.motor.es/pruebas-coches/prueba-consumo-real-hyundai-inster-2025110161.html
- https://www.arenaev.com/hyundai_inster_real_world_range_test-news-5019.php
- https://www.carexpert.com.au/hyundai/inster/base/features-and-specs
- https://www.hyundai.com/nl/nl/kennisbank/modellen/casper.html
- https://autotechnik.tech/hyundai/hyundai_inster