There is no such thing as “the average cost of supercar insurance,” and any page that gives you a single figure is quietly averaging a 50-year-old with an agreed value Aston Martin and a 22-year-old with a financed Nissan GT-R. The gap between those two quotes on broadly comparable cars can run into tens of thousands of pounds a year, and the reason has almost nothing to do with the badge on the bonnet.
Every car sold in the UK, supercars included, is assigned an insurance group between 1 and 50 by the Group Rating Panel, made up of members from the Association of British Insurers and the Lloyd’s Market Association, using testing and data from Thatcham Research. The panel meets monthly and assesses more than 125 data points per vehicle, and repair cost, not vehicle value, is the single biggest input. Most supercars sit in bands 41 to 50, alongside performance-oriented Porsche 911 variants, AMG GT models and BMW M cars, though the exact group depends on the specific trim, not just the model name. The group sets a baseline the insurer’s own pricing model then builds on, it isn’t the final premium itself.
That baseline exists because of what claims actually cost. The ABI’s Q1 2026 tracker put the average UK accidental damage claim at £3,699, itself up 8% on the previous quarter as sensor-laden modern cars get more expensive to fix. That figure blends every car on the road. A single carbon fibre body panel on a supercar, sourced and fitted by an approved specialist, can cost several times that on its own before labour at specialist bodyshop rates is added. Insurers price the group before they price the driver, and a supercar’s group reflects exactly this kind of bill.
The figure often quoted as a starting point for specialist agreed value cover is somewhere between 1% and 1.5% of the vehicle’s insured value per year. On a car insured for £150,000, that works out to roughly £1,500 to £2,250 annually as a rough sighting shot, not a quote. What actually moves the number further than that percentage ever suggests is everything the percentage doesn’t capture: driver age is the largest single lever, with premiums for drivers in their early twenties routinely running several multiples of the same policy for an experienced driver in their forties or fifties. Postcode adds a further, separate layer, with inner-city addresses generally costing meaningfully more than a rural or suburban equivalent. Mileage and how the car is stored move it again, and track use, if not declared, isn’t covered by a standard road policy at all, it needs a specific add-on.
None of this makes supercar insurance unpredictable so much as multi-layered. The model sets the group, the group sets the starting point, and everything else (age, postcode, mileage, security, and how many other cars sit on the same policy) does more to move the final number than the badge on the bonnet ever will. We arrange specialist cover across the full range of performance and prestige marques, and the only number worth planning around is a quote against your actual circumstances, not a website average.
What insurance group are most supercars in?
Most supercars sit in groups 41 to 50, the highest band on the UK’s 1-50 scale, alongside high-performance Porsche 911 variants, AMG GT models and equivalent M-series BMWs. The exact group depends on the specific trim and specification, not just the model name, since options and performance upgrades can shift a car’s rating within the same model line.
How much does supercar insurance actually cost per year?
As a rough starting point, specialist agreed value premiums are often quoted at around 1% to 1.5% of the car’s insured value annually, though this softens slightly for cars valued above roughly £300,000. That figure is only a sighting shot. Your age, postcode, mileage and security arrangements typically move the final premium far more than the percentage guide alone suggests.
Why does age make such a big difference to supercar insurance?
Younger drivers are statistically involved in more high-severity claims, and insurers price that risk heavily, particularly on cars capable of the acceleration and top speeds a supercar offers. The difference between an experienced driver in their forties and a driver in their early twenties on the same car can be several multiples of the premium, not a modest uplift.
