Knowledge

Our open data and models — and guides that demystify the buying decision.

First-party data

Market radar

Weekly used-market medians from our own collection.

week 40, 2026: Opel Corsa −4.1 % · VW ID.3 +10.9 % (4 weeks)

Open validation

Model health

Versions, release gates and validation of our models.

Every figure sourced

Methodology

Every figure: official, sourced, or a labelled model.

Public feed

Freshness

Chronological feed: when market data, models and prices were last updated.

Rankings

Computed from the same models as every car page — or, for the used market, from our own weekly collection — one model per make, every assumption open.

Total cost by city

Regional insurance levels move the monthly figure — the cheapest models per city.

Guides

What an EV really costs

The true total cost of an EVWhy the sticker price is only half the story — and which costs really matter.
EV depreciation explainedWhy depreciation is the biggest cost — and what drives it.
Typklassen — why your EV costs that much (or little) to insureWhat Germany's GDV type classes are, why they dominate the premium — and how Evident computes with them.
THG premium — the credit in your cost breakdownWhy your EV pays you back every year, what's realistic — and why the line is labelled "Market".
"Price checked" — how Evident backs its numbersWhat the price stamp and the five evidence labels on every cost line mean — and what "unconfirmed" means for you.
EV road tax in Germany: exempt until when?Why the vehicle-tax line shows €0 for most pure EVs, how long the exemption lasts — and how it differs from the combustion-engine tax.
Reading the €/month figure: what's in the cost breakdownWhat each line in the cost breakdown means, why €/month is the honest way to compare — and how to adjust the assumptions to your situation.

Charging

Charging 101AC vs DC, the charging curve, 1-stop range and battery chemistry — briefly.
Home charging & wallboxWhy charging at home cuts your energy bill — and what a wallbox costs.
AC vs. DC charging — what costs whatThe difference between AC and DC charging — speed and price.
V2L & bidirectional chargingWhat V2L, V2H and V2G mean — and what they're good for.
Fast charging: the curve & etiquetteWhy charging power drops — and how to stay fair and fast at the rapid charger.
Charging without a drivewayRunning an EV as a street parker — with no home parking spot or wallbox.

Range

EV range in winterWhy range drops in the cold, why frugal cars lose a bigger share — and what to plan with.
WLTP vs. real rangeHow far off the WLTP figure actually is — calibrated on measurements, not guessed — and what to plan with.

Buying used

Understanding battery health (SoH)For a used EV, the battery's condition is what matters — here's how to check it.
Used-EV buying checklistWhat actually matters when buying a used electric car — battery, history, warranty.
New or used? What the premium actually buysWhy the sticker price is the wrong comparison — and what the new-car premium actually buys you over a 1–4-year-old car.

Leasing and financing

What is the Leasingfaktor?Judge the quality of a lease deal with a single number.
Is leasing worth it?When leasing beats buying — and how to spot a good deal.
Lease vs. financeWhen leasing, financing, or paying cash makes sense.