Porsche 911 — Buyer's Guide
Reliability, safety, running costs and what to check before you buy.
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Porsche 911 overview
With 53,627 currently licensed in the UK, the Porsche 911 is one of Britain's well-known cars.
Annual running costs are estimated at £8,288 for a typical 5-year-old example, breaking down to £691/month or 112p/mile.
Monthly Cost
£691
est. annual total
New From
£108,605
Safety recalls
There are 48 known DVSA recalls affecting the Porsche 911. Enter a registration number to check whether a specific vehicle is affected.
R/2025/077
Due to a process error in the production an aluminium butyl may have been positioned incorrectly and the screw connection of the rear left and right belt buckle was potentially not executed according to the specifications. If this is the case the correct fastening of the belt buckle cannot be guaranteed. The loosening of the rear belt buckles in the event of an accident or emergency braking cannot be ruled out. This could increase the associated risk of injury.
Build dates: 2023-02-16 to 2023-09-13
R/2024/427
On affected vehicles the wheel attachments using the central lock may not meet the required specifications. This can lead to damage / breakage and the possibility of wheel detachment.
Build dates: 2023-09-13 to 2024-10-23
R/2024/140
On the affected vehicles it is possible that the front and rear window panes were not manufactured in accordance with specifications and their bonding to the body is therefore insufficient
Build dates: 2020-07-09 to 2024-02-21
R/2023/319
On affected vehicles the side airbag installed in bucket seats may be activated unnecessarily.
Build dates: 2021-03-15 to 2023-10-18
R/2021/317
The screw connection of the pressure input rod of the brake booster may not have been tightened according to regulations.
Build dates: 2018-11-07 to 2021-04-29
+ 43 more recalls. Check a specific vehicle to see the full list.
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Running costs
Annual running costs for a typical 5-year-old Porsche 911 are estimated at around £8,288 per year, or £691 per month.
Fuel
£2,213
/year
Road Tax
£195
/year
Depreciation
£4,825
/year
MOT
£55
/year
Estimated annual running costs based on available data. Excludes insurance, parking, and finance costs. Actual costs depend on your driving habits and circumstances.
Fuel economy
The 911 achieves a combined fuel economy of around 26 mpg (19 mpg urban, 29.3 mpg extra-urban).
| Variant | Fuel | Combined | Engine |
|---|---|---|---|
| 911 | PETROL | 26 mpg | 3.0L |
| 911 | PETROL | 29.7 mpg | 3.4L |
| 911 | PETROL/ELECTRIC | 25.9 mpg | 3.6L |
| 911 | PETROL | 25.7 mpg | 3.6L |
| 911 | PETROL | 21.9 mpg | 3.6L |
| 911 | PETROL | 28.2 mpg | 3.8L |
| 911 | PETROL | 24.6 mpg | 3.8L |
| 911 | PETROL | 20.7 mpg | 4.0L |
Depreciation
Starting from £108,605 new, a Porsche 911 typically retains about 62% after 3 years and 51% after 5 years.
| Age | Retained | Est. Value | Lost |
|---|---|---|---|
| 1 year | 83% | £89,600 | −£19,005 |
| 2 years | 70% | £76,150 | −£32,455 |
| 3 years | 62% | £67,000 | −£41,605 |
| 4 years | 56% | £60,300 | −£48,305 |
| 5 years | 51% | £55,500 | −£53,105 |
| 6 years | 48% | £51,600 | −£57,005 |
| 7 years | 45% | £48,500 | −£60,105 |
| 8 years | 42% | £46,100 | −£62,505 |
| 9 years | 40% | £43,800 | −£64,805 |
| 10 years | 38% | £41,600 | −£67,005 |
How common is the 911?
There are currently 53,627 licensed and 19,303 SORN 911s in the UK (72,930 total). This makes it a common vehicle on UK roads.
Frequently asked questions
How much does a Porsche 911 cost to run?
Annual running costs for a typical 5-year-old 911 are estimated at around £8,288 per year (£691/month). This includes fuel, road tax, depreciation, and MOT fees — but excludes insurance, servicing, and repairs.
Are there any recalls on the Porsche 911?
There are 48 known safety recalls affecting the 911. These are issued by the DVSA when a safety defect is found. You can check if a specific vehicle is affected by entering its registration number.
How much does a new Porsche 911 cost?
A new 911 starts from around £108,605. After 5 years, a typical example retains about 51% of its original value.
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