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Practical guide · Renewing motor insurance

The car's insured value fell: must the total insurance price fall by the same percentage?

Rui Lobo sees the car’s insured value fall at renewal, but the annual bill does not move by the same percentage. In this fictional story, Clara Mota helps him separate the insured value from the premium components. Rui needs to compare the total cost for the family budget and understand changes in protection, rather than only choosing the smallest instalment.

By RMACHADO GROUP · · 3 min read

THE ESSENTIALS

Before you start

  • The own-damage regime provides for automatic insured-value updates and an adjustment of the relevant premium.
  • A different insurable value may be expressly agreed in the individual policy terms.
  • Updating the relevant component does not mean the entire contract price falls by the same percentage.

The rule concerns own damage to the vehicle

Decree-Law No. 214/97 regulates motor contracts with optional own-damage cover. It provides for automatic changes to the insured value according to the depreciation table and adjustment of the premium to that depreciation. The table must make the criteria used identifiable.

The legislation permits a different insurable value where expressly agreed in the individual clauses. First locate the rule actually documented in your contract. Do not choose between a table and an agreed value solely from a conversation or an advertisement for a similar car.

Sources: Diário da República — Decreto-Lei n.º 214/97, em vigor; artigos 1.º–8.º completos e preâmbulo lidos em 02/11/2026 ↗

Separate the elements of the total price

The regime links the proportional reduction to the premium portion for the total-loss event calculated from the insured value. The contract may include other benefits, loadings, discounts and charges. Understand what changed in each component before assessing the total.

Fictional example: the insured value moves from €20,000 to €18,000. That 10% difference does not, without a breakdown, establish that the entire annual price must fall by 10%. Ask for the relevant adjustment, the other amounts and any changes to rates or benefits to be explained.

Sources: Diário da República — Decreto-Lei n.º 214/97, em vigor; artigos 1.º–8.º completos e preâmbulo lidos em 02/11/2026 ↗

Read the annual information alongside earlier documents

The legislation provides for annual written information, no later than 30 days before renewal, about the vehicle value for the next period, the premium and applicable loadings or discounts. Put that notice beside the individual policy terms and the previous notice.

Also compare the vehicle and equipment identified. A difference may follow a change in benefit, excess, insured value or another element; do not automatically attribute it to the car's age. Request any missing table or calculation criteria and keep the written response.

Sources: Diário da República — Decreto-Lei n.º 214/97, em vigor; artigos 1.º–8.º completos e preâmbulo lidos em 02/11/2026 ↗

Prepare the comparison before renewing

To compare quotations with RMACHADO, gather the registration, vehicle version, current insured value, excesses and next renewal date. Both proposals should address the same benefits and value basis, or their differences should be clearly marked.

A renewal comparison does not decide a future total-loss payment. If a claim already exists, its calculation must be assessed against the specific file and contract. For today's choice, the aim is to understand the protection being compared and why the proposed price is being charged.

Sources: Diário da República — Decreto-Lei n.º 214/97, em vigor; artigos 1.º–8.º completos e preâmbulo lidos em 02/11/2026 ↗

KEEP THESE QUESTIONS

Your checklist for the next conversation

  • Find the depreciation table or express agreed-value clause.
  • Compare current and next insured values with equivalent benefits and excesses.
  • Request a breakdown of premium changes, loadings and discounts.
  • Read and retain the annual information before deciding.

FROM THE ARTICLE TO YOUR SITUATION

Let us discuss your situation

Tell us what you want to protect. We review your request and help compare relevant terms. Requesting a quotation does not activate insurance.

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Sources and transparency

Content updated on .

Consultation dates are stated in individual references when available.

Numerical examples are fictional and explain concepts. Editorial interpretations are identified in the text.

Information from RMACHADO GROUP. This is not an insurance offer or individual advice. Covers, acceptance, exclusions, sums insured and costs depend on the policy. The intermediary does not underwrite the risks.