Charging Comparison
BMW iX3 vs BYD SEAL U
Compared variants: G08 vs 87 kWh Design
Updated April 2026
Data shown is approximate and based on publicly available specifications and real-world estimates. For models with multiple battery versions, this page compares the variants listed above. Actual performance varies with driving conditions, temperature, state of charge, and charger hardware. Always check the manufacturer specification page and your vehicle's manual for official figures. EVcourse is not affiliated with any vehicle manufacturer.
Quick verdict
The BMW iX3 has the higher published DC charging figure at 150 kW, but both cars are listed at about 34 minutes for the published fast-charge window. The BYD SEAL U is more efficient at approximately 205 Wh/km. The BYD SEAL U offers more WLTP rated range at 500 km.
Side-by-Side Specs
| Spec | BMW iX3 | BYD SEAL U |
|---|---|---|
| Compared variant | G08 | 87 kWh Design |
| Battery (approx.) | ~74 kWh | ~87 kWh |
| WLTP range (rated) | ~460 km | ~500 km |
| Efficiency (approx.) | ~206 Wh/km | ~205 Wh/km |
| DC fast charging (published) | up to 150 kW | up to 140 kW |
| 10-80% charge time (approx.) | ~34 min | ~34 min |
| Max AC charging | up to 11 kW | up to 11 kW |
| DC connector | CCS2 | CCS2 |
Charging Speed
The BMW iX3 has the higher published DC charging figure at 150 kW, which is roughly 7% higher than the BYD SEAL U at 140 kW. In practice, that figure only tells part of the story. The charging curve, battery temperature, and state of charge all affect how quickly your car actually charges.
For the published fast-charge window, the BYD SEAL U is listed at about 34 minutes, roughly matching the BMW iX3. In this case, the headline kW number should not drive the decision by itself.
Range and Efficiency
The BYD SEAL U has a WLTP rated range of approximately 500 km, which is roughly 40 km more than the BMW iX3 at approximately 460 km. WLTP is a standardized lab test. Expect your actual range to be lower, varying with speed, weather, terrain, and driving style.
Efficiency matters more than battery size for daily driving costs. The BYD SEAL U consumes 205 Wh/km, compared to 206 Wh/km for the BMW iX3. That means the BYD SEAL U uses less energy per kilometer, which translates to lower charging costs and fewer charging stops on longer drives.
A more efficient car does not always mean more range. Battery size plays a role too. The BYD SEAL U has approximately 87 kWh of useable battery , while the BMW iX3 has approximately 74 kWh.
Which One Should You Choose?
If fast charging is your priority, the BMW iX3 has the higher published DC figure (up to 150 kW), but both cars are listed at approximately 34 minutes for the published fast-charge window. For long road trips, published stop time matters more than the headline kW number alone.
Both cars support 11 kW AC charging, so home and workplace charging speeds will be similar.
If you mostly charge at home or at work and care more about daily driving costs, the BYD SEAL U is the more efficient choice at 205 Wh/km. Lower consumption means lower electricity bills over time.
For maximum range between charges, the BYD SEAL U has a WLTP rated range of approximately 500 km, which is roughly 40 km more. Both are capable EVs. The best choice depends on how you charge and how far you drive.
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From Finn, engineer: Charging specs alone do not tell the full story. Real-world charging speed depends on battery temperature, state of charge, and the charger itself. These comparisons use manufacturer-published data. Approximate values only.
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