Technical overview
Specifications
Battery
NMC
Peak Charge
200 kW kW
Drivetrain
AWD
Connector
CCS
Drag Coeff
0.28
Weight
2433 kg
Live battery calculator
SOH Estimator — Fisker Ocean Extreme
State of Health
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Capacity Loss
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Adjusted Range
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Uses brand-calibrated Power-Law degradation model. A-Tier coefficient applied for Fisker.
What to check
Key Facts for Used Buyers
Degradation Tier: A — Above Average
The Fisker Ocean Extreme scores A-Tier for battery longevity. The transparency score of 82% tells you how honest the manufacturer range claim is at real highway speeds.
Real vs. EPA Range
At a steady 65 mph on the highway, the Fisker Ocean Extreme delivers approximately 294 mi of real range, compared to the 360 mi EPA figure.
Winter Range
In cold conditions (around −10°C / 14°F), expect range to drop to around 215 mi — computed via our physics engine, not a flat percentage.
Charging History Matters
Frequent DC fast charging and consistent high-SOC storage accelerate NMC degradation. Ask about charging habits or request a battery health report from the manufacturer's app.
Before you sign anything
Red Flags to Check
Any battery warranty replacement on record — demand full documentation
Missing service history or software update log
Seller unwilling to allow a pre-purchase inspection
Any signs of flood or structural damage
Range on the dash significantly below our estimate for the stated mileage
Run the Full Audit on This Fisker Ocean Extreme
Enter the odometer, get exact SOH, adjusted range, winter worst-case, and a degradation verdict in seconds.
Common questions
FAQ — Used Fisker Ocean Extreme
How much range does a used Fisker Ocean Extreme actually get?
At a steady 65 mph on the highway, the Fisker Ocean Extreme delivers approximately 294 miles of real range, based on its actual drag coefficient, weight, and battery capacity — compared to the 360 mi EPA claim.
What mileage is too high for a used Fisker Ocean Extreme?
Mileage alone is not the deciding factor for EVs. A well-managed 120,000-mile Fisker Ocean Extreme can outperform a 40,000-mile example with poor charging habits. Run our SOH audit to get the real picture.
How does the transparency score work?
The score is: Real Range ÷ EPA claim × 100. For the Fisker Ocean Extreme, that's 294 ÷ 360 × 100 = 82%. Above 85% = relatively honest. Below 75% = significantly optimistic official claim.
What is the winter range of a used Fisker Ocean Extreme?
In cold conditions around −10°C / 14°F, the Fisker Ocean Extreme is estimated to deliver approximately 215 miles — computed via our V5.7 physics engine accounting for thermal battery losses and increased HVAC demand.