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EvCompass

Methodology and sources

How EvCompass figures, rankings and simulations are produced, and where their data comes from.

EvCompass scoring methodology

Five scores compare published cars available in the catalogue. Every input, its direction and weight comes from the same definition used for the calculations.

Comparison set

Percentiles compare cars that are published and available in the catalogue, so a score depends on the current market mix.

Methodology version 1

Percentiles and ties

For a known value, we calculate 100 × (B + (E − 1) / 2) / (N − 1), where B is the number of worse values, E is the number of tied values, and N is the number of cars with a known value. Tied values receive the same percentile.

If only one car has a known value, it receives percentile 50.

Data coverage

Unknown data receives neither points nor a default percentile. We omit it and proportionally rescale the remaining weights; a score is shown from 70% coverage upward.

The City price input and the only Value input use a verified Polish price for the specific version. A model-level starting price does not count as a version price. Value also requires a positive real-world range; we do not use prices converted from abroad.

These are relative EvCompass calculations, not editorial ratings, tests or reviews.

Inputs, directions and weights

Motorway — Inputs, directions and weights
InputDirectionWeight
Motorway range in mild weatherHigher is better25%
Motorway range in cold weatherHigher is better25%
Motorway energy consumptionLower is better10%
10–80% charging timeLower is better20%
Maximum DC charging powerHigher is better20%
City — Inputs, directions and weights
InputDirectionWeight
City energy consumptionLower is better25%
City range in cold weatherHigher is better20%
Body lengthLower is better15%
Turning circle diameterLower is better15%
Confirmed price in PolandLower is better25%
Family — Inputs, directions and weights
InputDirectionWeight
Number of seatsHigher is better25%
Rear luggage capacityHigher is better30%
Isofix mountsPresent is better than absent15%
Permitted trailer weightHigher is better15%
Safety ratingHigher is better15%
Charging — Inputs, directions and weights
InputDirectionWeight
10–80% charging timeLower is better30%
Maximum DC charging powerHigher is better20%
AC charging powerHigher is better15%
800 V architecturePresent is better than absent15%
Plug & ChargePresent is better than absent10%
Battery preconditioningPresent is better than absent10%

Ranking EvCompass

Each ranking compares model families through one value computed from stored catalogue data.

A family appears when at least one version currently offered for sale has the ranking value. Unknown values are left out.

The representative version has the best ranking value for its family. A tie is resolved by verified version price, then version name.

Positions use the value shown at the listed precision. Equal displayed values share a position, and the next position accounts for every family ahead.

The energy ranking order uses blended consumption and stays the same across driver profiles. Its cost figure uses the default profile and current energy prices, then follows a saved profile after load.

Score rankings use the published EvCompass score for the named driving context.

The “WLTP vs real range over a year” ranking reads each car's year-round combined range on the straight line between its −10 °C and 23 °C figures, at Poland's annual mean air temperature of 8.7 °C (IMGW-PIB climate normals 1991–2020), and divides it by the WLTP range. A straight line between two measured points is an approximation.

Current on-sale catalogue: 629 cars.

  1. Longest cold-weather motorway range

    cold-weather motorway range · Higher is better · Shown as km, to 0 decimal places.

  2. Fastest 10–80% charging

    10–80% charging time · Lower is better · Shown as min, to 0 decimal places.

  3. Lowest energy cost per 100 km

    energy consumption per 100 km · Lower is better · Shown as kWh/100 km, to 1 decimal places.

  4. Fastest 0–100 km/h acceleration

    0–100 km/h acceleration time · Lower is better · Shown as s, to 1 decimal places.

  5. Best for motorway trips

    Motorway · Higher is better · Shown as / 100, to 0 decimal places.

  6. Best for the city

    City · Higher is better · Shown as / 100, to 0 decimal places.

  7. Best for families

    Family · Higher is better · Shown as / 100, to 0 decimal places.

  8. Real-world winter range at −10 °C

    combined range at −10 °C · Higher is better · Shown as km, to 0 decimal places.

  9. Heat pump and winter range (−10 °C / 23 °C)

    combined range at −10 °C as a share of 23 °C range · Higher is better · Shown as %, to 0 decimal places.

  10. WLTP vs real range over a year

    year-round combined range in Poland as a share of WLTP · Higher is better · Shown as %, to 0 decimal places.

  11. Cheapest electric cars

    verified version price · Lower is better · Shown as money, to 0 decimal places.

Browse Ranking EvCompass

Range and winter

This section explains measured and estimated range, driving scenarios and Poland's cold-weather share.

Charging

Charging figures use the car's onboard AC limit and available DC charging curve.

Prices and tariffs

Energy, purchase value and tyre costs use separate, explicit calculations.

Trucks and buses

Truck and bus facts depend on published data; charger matching uses a class and duty profile when vehicle power is missing.

Routes

Route forecasts combine measured route legs, charging-price data and a modelled vehicle journey.

Sources

Dates attached to data are stored source reads, measurements or snapshots; we refresh them when a source or dataset is updated.

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