Data shown is approximate and based on publicly available specifications and real-world estimates. Actual performance varies with driving conditions, temperature, state of charge, and charger hardware. Always check your vehicle's manual for official specifications. EVcourse is not affiliated with any vehicle manufacturer.
Quick verdict
Both cars peak at 100 kW DC charging. The Alfa Romeo Junior Elettrica is more efficient at 159 Wh/km. The Alfa Romeo Junior Elettrica offers more WLTP rated range at 400 km.
Side-by-Side Specs
| Spec | Alfa Romeo Junior Elettrica | Opel Frontera Electric |
|---|---|---|
| Battery (approx.) | ~51 kWh | ~44 kWh |
| WLTP range (rated) | ~400 km | ~305 km |
| Efficiency (approx.) | ~159 Wh/km | ~183 Wh/km |
| Max DC charging | up to 100 kW | up to 100 kW |
| 10-80% charge time (approx.) | ~27 min | ~26 min |
| Max AC charging | up to 11 kW | up to 7.4 kW |
| DC connector | CCS2 | CCS2 |
Charging Speed
The Opel Frontera Electric has a peak DC charging speed of 100 kW, which is comparable to the Alfa Romeo Junior Elettrica at 100 kW. In practice, peak speed 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 10-80% charge (the most common DC fast charging scenario), the Opel Frontera Electric finishes in about 26 minutes, which is 1 minutes quicker than the Alfa Romeo Junior Elettrica at 27 minutes. On a road trip, that difference adds up over multiple stops.
Range and Efficiency
The Alfa Romeo Junior Elettrica has a WLTP rated range of approximately 400 km, which is roughly 95 km more than the Opel Frontera Electric at approximately 305 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 Alfa Romeo Junior Elettrica consumes 159 Wh/km, compared to 183 Wh/km for the Opel Frontera Electric. That means the Alfa Romeo Junior Elettrica 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 Alfa Romeo Junior Elettrica has approximately 51 kWh of useable battery , while the Opel Frontera Electric has approximately 44 kWh.
Which One Should You Choose?
Both cars offer similar DC fast charging at 100 kW peak. For road trips, the one with more range between stops may be more practical.
For AC charging (home wallboxes, workplace chargers, and public street chargers), the Alfa Romeo Junior Elettrica supports up to 11 kW, compared to 7.4 kW for the Opel Frontera Electric. In Europe, many public chargers are 22 kW AC, so this difference can mean charging roughly twice as fast at those locations.
If you mostly charge at home or at work and care more about daily driving costs, the Alfa Romeo Junior Elettrica is the more efficient choice at 159 Wh/km. Lower consumption means lower electricity bills over time.
For maximum range between charges, the Alfa Romeo Junior Elettrica has a WLTP rated range of approximately 400 km, which is roughly 95 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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