The problem
From 1 Jan 2027 the rate for zero-emission cars rises from 40% to 48% and the allowance drops from 161,300 kr to 152,200 kr; registration date, not purchase date, sets the tax. Danske Bank estimates about 30,000 kr more on a 400,000 kr car.
Why now · sources
Who it's for
Car buyers
Freemium sketch
Free: compare one model 2026 vs 2027. Paid: several models, delivery-deadline tracking, total cost of ownership.
Competitors
Leasing sites and dealer calculators; no simple consumer tool for the deadline and price jump.
Build notes
Small Next.js calculator; seasonal (about 11 weeks of peak demand).
Comments 0
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