Electric car
Depreciation€20,000
Electricity€5,130
Maintenance + tax€2,750
Charger€1,400
RATIOXA CARS · Decision tool
EV or petrol car?
A total-cost-of-ownership comparison covering depreciation, energy, tax, maintenance and charging.
15 inputsDetailed comparisonSaved locally on this device.
DECISION PACK
EV or petrol car?
Created: 18/08/2026 · ev-vs-petrol@5.0
Important: Scenario calculation based on your assumptions; not purchase or financing advice.
Result · Why?
Electric car leads by €3,510
Depreciation often dominates; energy prices matter more as mileage rises.
Difference€3,510
Electric car
Petrol car
Break-even
Mileage crossover
At this annual mileage the cost advantage changes, all else equal.
Result robustness
Sensitive result
A realistic change to one important assumption may reverse or materially narrow this result.
- EV purchase priceApprox. change in result: €4,500
- Petrol purchase priceApprox. change in result: €3,800
- EV resale valueApprox. change in result: €2,500
RATIOXA STORY
Your Decision Story
- 1
Electric car: €29,280
- 2
Petrol car: €32,790
- 3
Electric car leads in the base case.
Calculation Health
Quick estimate
Add more of your own values to strengthen the scenario.
- + EV purchase price
- + Petrol purchase price
- + EV resale value
RATIOXA IMPACT MAP
What matters most?
EV purchase price€4,500
Petrol purchase price€3,800
EV resale value€2,500
Petrol resale value€2,050
Holding period€1,482
Petrol consumption€999
Higher impact →Key insight
Your decision is most vulnerable to changes in EV purchase price.
Depreciation often dominates; energy prices matter more as mileage rises.
SCENARIO RANGE · DETERMINISTIC
Stress-test this decision
RATIOXA ×
Mileage crossover
At this annual mileage the cost advantage changes, all else equal.
Crossover4,166.67
Compare everything
Electric carPetrol car
Result value€29,280€32,790
Difference€3,510—
Depreciation€20,000€17,500
Electricity€5,130€9,990
Maintenance + tax€2,750€5,300
Charger€1,400—
RATIOXA FLOW
Next useful steps
SCENARIO RANGE
Conservative · Base · Optimistic
Locked assumptions
TRUST CHECK
Fair Comparison Check
- ✓Same comparison horizon
- ✓Comparable cash flows
- ✓Residual values and balances included
- ✓Inputs are internally consistent
Not included in the model
- Contract terms, eligibility and taxes outside the entered values
- Personal risk tolerance and liquidity needs
- Professional legal, tax, finance or energy advice
Assumption freshness
Decision readiness
0/15 inputs replaced with your own or transferred values · 4 real-world details still worth checking
- ○ Have both alternatives been compared over the same period?
- ○ Are all one-off costs and fees confirmed?
- ○ Are resale value, remaining debt and end assets documented?
- ○ Have you tested a cautious range for uncertain assumptions?
TRANSPARENT MATH
Formula inspector
Calculation steps
- Depreciation is purchase price minus assumed resale value.
- Energy cost equals consumption × distance × your price.
- The mileage crossover is shown only if a root exists in the tested range.
Substitution with your values
Sum of displayed components A = 20000.00 + 5130.00 + 2750.00 + 1400.00 = 29280.00Sum of displayed components B = 17500.00 + 9990.00 + 5300.00 = 32790.00Total: 29280.00 / 32790.00SOURCE SNAPSHOT
Official reference context
Context only. RATIOXA never substitutes a policy rate or survey result for your personal offer.
Bundesministerium der Finanzen · GermanyEV vehicle-tax registration cutoff: 2030-12-31 Effective 2026-01-01 · Verified 2026-08-17
Caution: Individual duration depends especially on registration date and ends no later than 2035.
Primary source ↗CURRENT CONTEXT
Relevant developments
A sourced update may affect one of your assumptions. RATIOXA never changes a value silently.
CARS
German EV vehicle-tax exemption extended
An EV TCO comparison should not assume identical vehicle tax for both drivetrains by default.
May affect: EV vehicle tax · Petrol vehicle taxImportant: Scenario calculation based on your assumptions; not purchase or financing advice.
WHAT-IF
Snapshot current scenario
IMPORTANT DOCUMENTS
Prepare the decision
● Saved locallyQUESTIONS TO ASK
Ask before you sign
- Which one-off costs apply?
- Which assumptions apply to return or resale?
- Which costs are excluded from the payment?
EXTERNAL OFFERS · SEPARATE FROM THE CALCULATION
Explore real offers
The independent RATIOXA result above never changes based on these links.
External websites are independent from RATIOXA. No commercial partnership is implied.
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