Subaru Uncharted FWD 57.7 kWh electric vehicle exterior

Subaru Uncharted FWD 57.7 kWh - Electric Vehicle Specs

coupe SUV with a WLTP range of up to FWD

Power

123 kW

(167 HP)

0-100 km/h

8.4 s

Top Speed

140 km/h

Battery Options

Standard Battery (57 kWh / 54 kWh)

Charging Curve & Charging Speed Analysis

Understanding Charging Performance

Charging performance isn't just about peak power—it's about sustained power across the entire charging curve. A vehicle that maintains 150kW from 10-80% SOC will charge faster than one that peaks at 250kW but quickly drops to 100kW after 20% SOC. The shape of the curve matters more than the highest peak power.

The key metric is C-rate, which accounts for both charging power and battery capacity. A C-rate of 2.0 means the battery can theoretically charge from 0-100% in 30 minutes, while 1.0 C-rate equals 60 minutes. This makes it easy to compare vehicles regardless of battery size.

Charging Curve Shape

Flat, sustained power across a wide SOC range beats high peaks that quickly taper off. Look for vehicles that maintain high power from 10-80% SOC.

C‑Rate & Timing

C-rate normalizes charging speed across different battery sizes. Higher C-rates mean shorter charging times and more flexible road trip planning.

Battery Options

Gross Capacity: 57 kWh
Net Capacity: 54 kWh
Buffer: 6%
The Subaru Uncharted FWD 57.7 kWh reaches peak charging power of 112 kW between 10–80% SOC.
It takes 31 min to charge from 10–80% SOC and adds 185 km of real-world highway driving range, representing a 1.5 C‑Rate. This performance is better than 53% in its class.

Average Charging Power

51 kW

Avg C‑rate: 0.9

Maximum Charging Power

112 kW

At 12 → 27% SOC

Minimum Charging Power

9 kW

0–100% Charging Time

1 h 8 min

Charging Curve

State of Charge over Time

SOC Range Charging Time Avg. Power Avg. C-Rate Energy Added
0% → 100% 1 h 8 min 50.5 kW 0.94 C 58.1 kWh
0% → 90% 46 min 67.7 kW 1.25 C 52.3 kWh
0% → 80% 35 min 77.9 kW 1.44 C 46.4 kWh
5% → 100% 1 h 6 min 50.1 kW 0.93 C 55.2 kWh
5% → 90% 43 min 68.1 kW 1.26 C 49.4 kWh
5% → 80% 32 min 79.2 kW 1.47 C 43.5 kWh
10% → 100% 1 h 4 min 48.8 kW 0.90 C 52.3 kWh
10% → 90% 41 min 67.0 kW 1.24 C 46.5 kWh
10% → 80% 31 min 78.4 kW 1.45 C 40.6 kWh