Evaluating the Bonus-Malus System After Three Years Without Claims
After three years without accidents, my experience with the bonus-malus system revealed its limitations when upgrading to a new vehicle. Here's my assessment.

Under a light drizzle, I signed the contract for my new vehicle, reflecting on how my bonus-malus seemed rather insignificant compared to the car I was about to purchase. This decision came after the arrival of my second child, with the scent of the new car seat still lingering in the trunk. After reviewing information on Service-public.fr, I realized that my clean driving history did not tell the whole story. My conclusion is clear: while the bonus-malus system can be beneficial in certain situations, it can also be misleading in others.
The Day I Changed My Car
Previously, I drove a Renault Clio, a compact car that was easy to park and ideal for grocery runs and fitting in a folded stroller. However, the day I signed for a station wagon, the difference was palpable as soon as I opened the hatch. The two car seats took up a significant amount of space, and I had to adjust to a monthly budget of 120 euros, not a penny more.
I thought that three years without any claims would help mitigate the financial shock. I was aware that the coefficient would decrease slightly each year without a responsible accident, dropping from 1 to 0.95, and eventually to 0.90. After 13 years without a claim, it could potentially go down to 0.50. Conversely, a fully responsible accident could raise it to 1.25, while a shared responsibility incident would place it at 1.125. The bonus-malus system rewards cautious driving but does not compensate for upgrading to a more expensive vehicle.
I compared quotes from two insurers, MAIF and Matmut, spending an evening pondering whether I was focusing on the right factors. The real issue was not solely the coefficient; it also involved the deductible, glass breakage coverage, and street parking considerations. The bonus-malus does not alter the base rate; it merely marks it.
The Bill That Grounded Me
The first simulation arrived at 6:42 PM, and the amount left me stunned. I had anticipated a reasonable premium, but instead, I was faced with a bill that was much higher than expected. The issue was not my coefficient; it was the vehicle's value and my daily usage during three days of testing with a dealership.
In my case, three elements weighed more heavily than the bonus itself. The vehicle's fiscal power pushed the rate upwards. Street parking added an extra layer of risk, while my family's usage altered the contract's logic. My trips were short—school, pharmacy, grocery store—and the car was often loaded. A new station wagon is not treated the same way as a five-year-old city car.
One evening at 9:17 PM, I laid out two quotes on my kitchen table. I had retrieved the documents from my previous contract and was twirling my pen between my fingers as I compared each line. This same meticulousness had previously served me well when evaluating an insurance deductible. I ultimately recognized that the bonus only scratched the surface.
The realization came in a very tangible way. I wedged the baby seat against the door while unloading groceries, then closed the trunk with the older child's sports bag and stuffed animal jamming the side. At that moment, I understood that my previous insurance logic, tailored for a Clio, no longer applied during negotiations. It was a necessary transition, similar to my experience with a loaned Clio V: I could not think in the same manner as before, as every action revealed a physical constraint. This was not just a theoretical concern; it was a series of material limitations.
I also revisited the civil liability coverage, comprehensive formula, and deductible. The first covers others, the second offers better protection for my vehicle, and the third alters the pain of an incident. It is the deductible that truly makes a difference when a claim arises, leading me to write about comprehensive deductibles.
In Conclusion
YES if I keep the same car, drive infrequently, and park in a secure garage. In that case, the bonus-malus remains a useful reference. I would also accept it if I drive 8,400 km annually and do not change vehicle categories every two years.
NO if I have just expanded my family, if I switch to a 1.52-ton station wagon, or if I park on the street. For me, with a budget of 94 euros per month, the coefficient did not prevent the premium from rising. The contract hinges on other factors: deductible, coverage, vehicle value, and actual usage.
My verdict is straightforward. I consider the bonus-malus as an indicator, not a definitive measure. It is clear on Service-public.fr and serves as a guide for maintaining safe driving habits. However, it becomes less relevant when upgrading to a different vehicle category, whether with Matmut or another insurer.



