Independent Battery Analysis

Used Polestar 5 (2026)
Battery Audit

2026 · AWD

Independent physics-based analysis. Real highway range 355 mi at 65 mph vs the manufacturer's 342 mi EPA claim — a 104% transparency score.

A-Tier — Above Average
111 kWh
AWD
CCS
Manufacturer Transparency
104%
Real ÷ EPA claim × 100
EPA Claim
342 mi
Real at 65 mph
355 mi
Winter worst
266 mi
SOH @ 100k mi
89%
Technical overview
Specifications
Battery
111 kWh
Peak Charge
320 kW kW
Drivetrain
AWD
Connector
CCS
Drag Coeff
0.26
Weight
2340 kg
Live battery calculator
SOH Estimator — Polestar 5 (2026)
State of Health
Capacity Loss
Adjusted Range
Battery health
Uses brand-calibrated Power-Law degradation model. A-Tier coefficient applied for Polestar.
What to check
Key Facts for Used Buyers
Degradation Tier: A — Above Average
The Polestar 5 (2026) scores A-Tier for battery longevity. The transparency score of 104% 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 Polestar 5 (2026) delivers approximately 355 mi of real range, compared to the 342 mi EPA figure.
Winter Range
In cold conditions (around −10°C / 14°F), expect range to drop to around 266 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 Polestar 5 (2026)
Enter the odometer, get exact SOH, adjusted range, winter worst-case, and a degradation verdict in seconds.
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Common questions
FAQ — Used Polestar 5 (2026)
How much range does a used Polestar 5 (2026) actually get?
At a steady 65 mph on the highway, the Polestar 5 (2026) delivers approximately 355 miles of real range, based on its actual drag coefficient, weight, and battery capacity — compared to the 342 mi WLTP claim.
What mileage is too high for a used Polestar 5 (2026)?
Mileage alone is not the deciding factor for EVs. A well-managed 120,000-mile Polestar 5 (2026) 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 ÷ WLTP claim × 100. For the Polestar 5 (2026), that's 355 ÷ 342 × 100 = 104%. Above 85% = relatively honest. Below 75% = significantly optimistic official claim.
What is the winter range of a used Polestar 5 (2026)?
In cold conditions around −10°C / 14°F, the Polestar 5 (2026) is estimated to deliver approximately 266 miles — computed via our V5.7 physics engine accounting for thermal battery losses and increased HVAC demand.
Transparency Score
104%
Polestar 5 (2026) vs EPA claim
Real 65 mph
355 mi
EPA / WLTP
342 mi
Winter −10°C
266 mi
Tier
A — Above Average
SOH at 100k mi
89%
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Full audit with adjusted range, degradation tier, and optional PDF report.