Car Depreciation Calculator UK
The moment you drive a new car off the forecourt, it starts losing value. That is just how it works. But how quickly your car depreciates and how much it will be worth in two, three or five years, varies enormously by make, model, fuel type and how you look after it. Our free Car Depreciation Calculator gives you an instant estimate of your car's current or future value based on real UK market data.
Depreciation Calculator
Year by Year Breakdown
| Year | Start Value | Value Lost | End Value |
|---|---|---|---|
| Year 1 | £25,000 | -£3,750 | £21,250 |
| Year 2 | £21,250 | -£3,188 | £18,063 |
| Year 3 | £18,063 | -£2,709 | £15,353 |
| Year 4 | £15,353 | -£2,303 | £13,050 |
| Year 5 | £13,050 | -£1,958 | £11,093 |
The Silent Expense
Most people calculate the cost of a car by adding up the finance payments, fuel, insurance, and road tax. But they completely ignore the massive elephant in the room: Depreciation.
The "New Car Smell" Premium
Driving a brand-new car off the dealership lot is notoriously one of the worst financial moves you can make. The moment the tires touch public tarmac, the car transitions from "New" to "Used." That single moment instantly wipes thousands of pounds off its value, because the next buyer will demand a massive discount for taking a second-hand car.
Strategies To Beat Depreciation
- Buy 3 Years Old: By the time a car hits its 3rd birthday, the steepest part of the depreciation curve has already happened. The original owner took the massive financial hit, and you get a relatively modern car that now depreciate slowly.
- Avoid Niche Specs: A bright yellow car with lime green interior trim might reflect your personality, but it destroys resale value. Buyers want neutral colours (Grey, Black, Silver, White) rendering them easier to sell.
- Keep It Forever: If you buy a car and drive it into the ground over 15 years, depreciation stops mattering. You extract the full utility value out of the machine.
Depreciation FAQs
How to Use This Calculator
- Enter the original purchase price of your car
- Enter the current age in years
- Enter the current mileage
- Select your fuel type, petrol, diesel, hybrid or electric
- Choose a depreciation profile, slow, average or fast
- Click Calculate
You will see your estimated current value, total depreciation so far and a year-by-year projection of future value.
How Car Depreciation Works
Depreciation is simply the difference between what you paid for your car and what it is worth now. Every car loses value over time, but not at the same rate.
The steepest drop happens in the first year. A typical new car loses 15 to 25% of its value the moment it becomes second-hand. By year three, most mainstream UK cars have lost 50 to 60% of what they cost new.
The two most common ways to calculate depreciation are:
Straight-line method: You lose the same fixed amount each year.
Formula: Annual depreciation = (Purchase price − Residual value) ÷ Years owned
Reducing balance method: You lose a percentage of the remaining value each year, which is closer to how real market values behave.
Formula: Value after X years = Purchase price × (1 − depreciation rate)^years
Our calculator uses the reducing balance method because it reflects how cars actually lose value in the UK market.
UK Average Depreciation Rates 2026
Most new cars sold in the UK lose 15 to 25% of their value in the first year, with typical three-year depreciation reaching 50 to 60% depending on make, model and fuel type.
Here is how the typical UK depreciation curve looks for a mainstream family car purchased at £25,000:
| Year | Estimated Value | Value Lost |
|---|---|---|
| New | £25,000 | — |
| Year 1 | £19,500 – £21,250 | £3,750 – £5,500 |
| Year 2 | £16,000 – £18,000 | £7,000 – £9,000 |
| Year 3 | £10,000 – £14,500 | £10,500 – £15,000 |
| Year 5 | £7,500 – £10,000 | £15,000 – £17,500 |
| These are estimates for average mainstream cars. Premium brands, niche models and electric vehicles can differ significantly. |
Cars That Hold Their Value Best in the UK
Some cars barely seem to lose value at all. Dacia Bigster retains 66.2% of its value after three years. The Mercedes G-Class Electric tops premium retention at 70.1%. The Land Rover Defender 90 retains 69.4% and the Porsche 911 GT3 retains 69.2% after three years.
Porsche retains 75.9% of its value on average, the highest of any marque in the UK. Toyota also consistently performs well, driven by reliability reputation and strong used demand.
The common threads for strong value retention are: limited supply, strong brand loyalty, practical running costs, and consistent demand in the used car market.
Cars That Depreciate the Fastest
At the other end of the scale, some cars lose value at an alarming rate.
The Vauxhall Corsa Electric loses 72% of its value after three years, retaining just 28%, one of the worst performers in the UK market. The Renault Zoe, now discontinued, holds just 30% of its original value after three years.
Large luxury saloons also suffer from rapid depreciation. Technology ages quickly in premium cars, making three-year-old models feel noticeably dated, which drives buyers towards newer examples and pushes used values down fast.
Electric Car Depreciation
This is where things get interesting. EVs have historically depreciated faster than petrol cars, but the picture is more nuanced now.
On average, EVs lose around 61% of their value in the first three years compared to approximately 47% for equivalent petrol cars, a gap of roughly 14 percentage points. However, this average hides enormous variation by brand.
Tesla leads UK EV residual value tables in 2026. The Tesla Model 3 and Model Y retain approximately 71% of their value after three years. Close behind are the Porsche Taycan at around 66% and BMW iX and i4 at approximately 63%.
At the other end of the scale, Renault Zoe, older Nissan Leaf and first-generation MG ZS EV retain as little as 30 to 35% of their original value after three years.
From April 2026, EVs are no longer exempt from Vehicle Excise Duty. New EVs now pay £10 in year one and £200 per year from year two, the same standard rate as petrol and diesel cars. This change removes one of the key selling points of EV ownership and may affect used values over time.
For businesses, new zero-emission cars still qualify for a 100% First-Year Allowance from HMRC, meaning the full cost can be deducted in the year of purchase. This makes EVs far more tax-efficient for company car use than petrol or diesel equivalents.
What Affects How Fast Your Car Loses Value?
Several factors influence how quickly your car depreciates.
Mileage: Higher mileage means more wear and a lower resale value. A car with 60,000 miles in three years is worth noticeably less than one with 20,000 miles.
Service history: A full service history, especially from a main dealer, reassures buyers and supports resale value. Missing stamps raise doubt and cost you money at sale.
Condition: Scratches, dents, worn interior and poor tyres all reduce what buyers will pay. A well-presented car consistently beats a tatty equivalent.
Colour: Mainstream colours, white, black, grey and silver, appeal to the widest pool of buyers. Unusual colours narrow your market and can reduce your car's value at sale.
Fuel type: Demand for fuel types shifts with government policy, running costs and public sentiment. Diesel values have softened in recent years as congestion charges and clean air zones have expanded.
Brand and model: Some brands simply hold value better than others because of reliability reputation, supply control and buyer demand.
Depreciation and PCP Finance
If you bought your car on PCP (Personal Contract Purchase), depreciation directly affects your position at the end of the deal.
Your PCP agreement includes a Guaranteed Future Value (GFV), what the finance company predicts your car will be worth at the end of the term. If the actual market value is higher than the GFV, you have equity you can put towards your next car. If it is lower, you can simply hand the car back.
Problems arise if you want to settle the finance early and the outstanding balance is higher than the car's current market value. This is called negative equity and it is where depreciation bites hardest.
GAP insurance covers the difference between your insurer's settlement and your outstanding finance balance if your car is written off. It is particularly relevant in the first two to three years of a PCP agreement when depreciation is steepest and negative equity risk is highest.
Tips to Reduce Your Depreciation Loss
You cannot stop depreciation. But you can reduce how much it costs you.
Buy nearly new: Let someone else take the first-year hit. A one or two-year-old car can be 20 to 30% cheaper than new while still offering modern technology and remaining warranty. The first owner absorbs the steepest part of the depreciation curve, typically 30 to 50% of the car's new value in the first three years.
Choose a low-depreciation model: If value retention matters to you, research residual value data from CAP HPI or Auto Trader before you buy. Brand and model choice matter far more than colour or specification.
Keep mileage moderate: Annual mileage significantly affects used value. Keeping within a reasonable range for the car's age protects its appeal to future buyers.
Maintain your service history: Always service your car on time and keep every receipt. A full documented history is worth several hundred to several thousand pounds at resale.
Sell at the right time: Cars typically depreciate more slowly after year three. Selling at two to three years catches some value before the next round of depreciation but after the sharpest initial drop.
Related Calculators
- Car Insurance Calculator UK
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References
- AutoHit. Car Depreciation in the UK 2026, Which Models Hold Value Best. autohit.co.uk, February 2026
- DepreciationsCalculator. Car Depreciation Table UK 2026. depreciationscalculator.co.uk, May 2026
- DepreciationsCalculator. Electric Car Depreciation Calculator UK 2026. depreciationscalculator.co.uk, March 2026
- Carmoola. Car Depreciation Index, Powered by Brego. carmoola.co.uk
- WhenIsEVCheaper. Electric Car Depreciation UK: What to Expect in 2026. whenisevcheaper.com, March 2026
- Cox Automotive / CAP HPI. UK Used Car Market Data Q1 2026. capcpi.com
- SoftwareApplication