Porsche 911 GT3 Valuation: 32 used car listings analysed

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Showing 1 - 25 of 32 results

How much does the Porsche 911 GT3 depreciate?

Used Porsche 911 GT3

A used Porsche 911 GT3 (2023) model loses about £357 per month in value.


Factors that affect the depreciation of a Porsche 911 GT3:
- Mileage driven
- Maintenance
- Service history


Depreciation is an important part of calculating the total cost of owning a Porsche 911 GT3. In addition to the monthly depreciation of £357, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.

How much does a used Porsche 911 GT3 cost? Prices, ratings and depreciation by model year

How much does a used Porsche 911 GT3 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2025 Porsche 911 GT3

£208,998 - £229,992£218,5931,400 miles+£2,840< 10

2023 Porsche 911 GT3

£152,950 - £189,990£168,8407,800 miles-£4,28011

2022 Porsche 911 GT3

£149,950 - £169,990£161,98010,400 miles+£2,840< 10

2021 Porsche 911 GT3

£142,995 - £158,000£150,7689,800 miles-< 10

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 5 April 2026

Comparison of Porsche 911 GT3 variants and prices

No market data available

Porsche 911 GT3 (model year 2023) - Price development for the last 10 months and price projection for the next 6 months (June 2025 - September 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - June
£170,160
£162,160£178,160
Estimate
2025 - July
£167,260
£158,980£175,540
Estimate
2025 - August
£168,940
£163,860£174,040
Estimate
2025 - September
£168,520
£163,340£173,700
Estimate
2025 - October
£168,480
£155,000£181,980
Estimate
2025 - November
£166,560
£150,500£182,620
Estimate
2025 - December
£163,420
£159,100£167,760
Estimate
2026 - January
£161,360
£154,960£167,760
Estimate
2026 - February
£163,420
£161,000£165,820
Estimate
2026 - March
£165,880
£161,800£169,960
Estimate
2026 - May
£164,840
--
Forecast
2026 - June
£164,320
--
Forecast
2026 - July
£163,800
--
Forecast
2026 - August
£163,280
--
Forecast
2026 - September
£162,760
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: 5 April 2026

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

-£4,280

Next 6 months

-£3,120

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Price checked by AutoUncle

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Interested in finding a great deal on a used Porsche 911 GT3?

Are you interested in getting a used sports car? Look no further than the Porsche 911 GT3 - an excellent choice! In total, there are 35 used Porsche 911 GT3s for sale on AutoUncle in the UK sourced from numerous dealership websites and online marketplaces.

What is the used car price of the Porsche 911 GT3?

The price of a used Porsche 911 GT3 ranges from £79,995 for the cheapest model to £219,990 for the latest and most well-equipped model.

The German car is valued at different prices relying on primarily five factors: the year of manufacturing, engine size and performance, the car's fuel consumption, the car's mileage along with the vehicle's equipment variant.

As an example, a newer model with fewer miles covered, or a high-end version boasting a potent engine, often fetches a top-tier price than, for example, an older model with more kilometres driven or with a lower equipment level.

Which equipment options does Porsche 911 GT3 have?

The Porsche 911 GT3 has an equipment variant called Porsche 911 GT3 Chrono.

While calculating the cost of a used Porsche 911 GT3, it's key to examine vehicles that have the same engines and features. Otherwise, you might draw an inaccurate conclusion about which car to purchase.

Is the Porsche 911 GT3 available in different fuel variants?

The Porsche 911 GT3 is solely available with a single fuel option, petrol. We currently offer thirty-five cars at an average price of £149,557.

Think carefully about your driving practices before deciding on the suitable fuel type - we highly recommend this approach. How many miles do you normally clock in a week? Is your driving characterized more by numerous short trips or by extended travels?

For shorter trips, electric cars, plug-in hybrids and petrol cars are great. For longer commutes, an electric car is often the best choice - especially with charging options at home or at work. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. Despite the rise of electric cars, diesel can still be useful for long journeys and lack of charging options. Note that certain countries have banned high-emission diesel engines from cities.

What body options does the Porsche 911 GT3 have?

The Porsche 911 GT3 only exists in the coupe body type in the UK. Style and sporty driving take centre stage in a coupe, and this body type tends to have a tighter and stronger chassis than, for example, a sedan or an SUV. The model is best suited for people without children and others who travel light. It is usually more expensive than equivalent sedan or hatchback sister models.

What are the obvious alternatives in the same class as the Porsche 911 GT3?

Several vehicles that are similar to the Porsche 911 GT3 are available.

Top competitors to the Porsche 911 GT3

  • BMW 420
  • Audi TT
  • Mazda MX5

With a selection of 1,491 available models on AutoUncle, the BMW 420 clearly stands out as the top alternative to the Porsche 911 GT3. Average listing price for the BMW 420 is £18,198.

Another alternative car is the Audi TT with 949 cars currently for sale with an average sales price of £13,199. Another recommended alternative is Mazda MX5 with 556 cars for sale an average price tag of £15,000.

Considering more environmentally sound choices to the Porsche 911 GT3?

Considering something greener than the Porsche 911 GT3? Check out these electric alternatives from the same segment::

Haven't discovered an electric car that catches your eye? Check out our extensive selection of electric cars here.

All gear types for Porsche 911 GT3