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Why Insurance Has Its Own Inflation Rate
General CPI measures a broad basket of household goods, but a car insurer's costs are concentrated in a few items that have risen far faster — vehicles, parts, repairs and theft losses. Because the insurer's costs outpace the basket, premiums rise faster than headline inflation.
This is why a renewal can jump 10% in a year when official inflation is much lower. The premium tracks the cost of fixing and replacing cars, not the cost of bread and electricity, and those car-related costs have been under sustained pressure.
Rising Vehicle Prices
New-car prices in South Africa have climbed sharply, pushed by exchange-rate weakness, global component shortages in recent years, and manufacturers passing on higher costs. Since most vehicles are imported or built with imported parts, a weaker rand feeds almost directly into prices.
Higher vehicle values raise every part of the claim: repairs cost more, write-off settlements are larger, and the sum insured on each policy is bigger. All of that flows straight into the premium an insurer must charge to cover the risk.
Repair-Cost Inflation
Even where car prices steady, the cost of repairs keeps climbing — imported parts, panel-shop labour rates and workshop overheads have all risen faster than CPI. A modern car is also more expensive to fix than an older one for the same dent.
Technology compounds this. Recalibrating the cameras and sensors behind driver-assist systems, replacing integrated LED light units, and handling EV components all add cost to repairs that a decade ago were simple, and insurers price that complexity in.
Theft and Hijacking Losses
Vehicle theft and hijacking have stayed stubbornly high in South Africa, and insurers must price the expected cost of those losses into every premium. Where a particular model is heavily targeted, that brand or model carries an extra theft loading on top of the general rate.
This is also why tracking requirements and security warranties have become so common — they are the insurer's lever to contain the theft cost that would otherwise push premiums higher still. The theft environment is one of the larger forces behind South African premium inflation specifically.
More Claims, More Often
Claim frequency has risen alongside claim cost. More vehicles on congested roads, deteriorating road conditions in places, and the growth of commercial use such as delivery and ride-hailing all increase the number of claims an insurer expects to pay each year.
Frequency feeds premiums as directly as severity does: an insurer pricing a pool that claims more often must charge each member more. Some of this pressure is structural and unlikely to ease quickly.
The Currency Thread Running Through It
A single factor — the rand — runs through several of the others. Because vehicles and parts are largely priced against foreign currencies, exchange-rate weakness simultaneously lifts vehicle values, repair costs and replacement settlements.
That shared dependence is why South African insurance inflation can spike when the currency weakens, and why it has run well ahead of general CPI in volatile years. It is also largely outside any insurer's control, which is worth remembering when reading a renewal.
What You Can Do About It
You cannot change the macro drivers, but you can stop them landing harder on you than they should. Compare across the market every year, keep your risk profile sharp with a clean record and telematics-friendly driving, set excesses sensibly, and strip out over-insurance or unused bolt-ons.
A renewal increase in line with the market is the cost of the environment; an increase well above it is a signal to shop around. A policy review is the simple test of which one you are looking at, and the lever that keeps your premium fair even as the market rises.