# BMW M8 — Used Car Buying Guide

AutoScout's analysis of the BMW M8 on the UK used-car market. Backed by 33 million DVSA MOT tests, current AutoTrader pricing, and depreciation curves derived from CAP/Glass's Guide data.

Live interactive report: https://autoscout.fyi/cars/bmw-m8

## Verdict

- **Best value year**: 2019
- **Ideal trim**: M8 Competition Coupe
- **Target mileage**: 20,000–40,000 miles
- **Max previous owners**: 2
- **Target price**: £70,000

## Why this model

The BMW M8 is a fantastic choice if you're looking for a luxurious, incredibly fast grand tourer that can also handle a track day. It offers a stunning blend of comfort, cutting-edge technology, and a monstrous V8 engine. It's a proper statement car that delivers an exhilarating driving experience while still being refined enough for long journeys. You get a lot of performance and luxury for your money on the used market compared to its original new price.

## What you should pay

The M8, like many high-end performance cars, suffers significant depreciation in its first few years. This means you can pick up a 3-4 year old model for roughly half its original price, offering incredible value. Our target price reflects a fair market value for a well-maintained 2019-2020 M8 Competition with average mileage. Always factor in negotiation room, as these cars can sit on forecourts for a while.

## Which trim to buy

The M8 Competition Coupe is the sweet spot. It offers a slight power bump over the standard M8, along with a more focused chassis setup and sportier exhaust. Crucially, it's the most common and sought-after version on the used market, meaning better resale value down the line. The Coupe offers a purer driving experience than the Convertible, and you avoid the slight weight penalty and complexity of the folding roof.

## What to check before you buy

- Complex electronics can sometimes glitch (iDrive system)
- Brake wear can be high due to performance
- Tyre wear is significant due to power and weight
- Potential for oil leaks on older, high-mileage examples (less common on M8 yet)
- Cooling system issues if consistently driven hard

## Running costs

Running an M8 isn't cheap! Fuel economy is around 25 mpg, so expect to spend about 27p per mile on petrol. For 10,000 miles a year, that's roughly £2,700. Road tax (VED) for a 2020 model will be £190 per year from 2026 onwards. Insurance will be very high, easily £1,500-£3,000+ annually depending on your age and driving history. Servicing at a BMW specialist will also be expensive, budgeting £500-£1,000+ per year for routine maintenance and more for any unexpected repairs.

## Key stats

- **Fuel Type**: Petrol
- **Horsepower**: 616 bhp
- **Mpg**: 25.4 mpg (combined)
- **Reliability Score**: Generally good, but complex M cars can have expensive specialist maintenance needs.
- **Safety Rating**: 5 stars (Euro NCAP, based on 8 Series)

## Trim comparison

| Trim | Price new | Price used | Key features |
| --- | --- | --- | --- |
| M8 Coupe | £123,000 | £65,000 | 600 bhp 4.4L Twin-Turbo V8; M Sport differential; Adaptive M suspension |
| M8 Competition Coupe | £129,000 | £70,000 | 616 bhp 4.4L Twin-Turbo V8; Track-tuned chassis; M Sport exhaust system |
| M8 Competition Convertible | £137,000 | £75,000 | 616 bhp 4.4L Twin-Turbo V8; Soft-top convertible roof; Heated neck warmers |

## Depreciation forecast

| Year | Estimated value | Retention |
| --- | --- | --- |
| 2026 | £70,000 | 100% |
| 2027 | £55,000 | 78.6% |
| 2028 | £45,000 | 64.3% |
| 2029 | £38,000 | 54.3% |
| 2030 | £32,000 | 45.7% |

The sweet spot for buying a used BMW M8 is typically around 3-4 years old. By this point, the initial steep depreciation from new has already occurred, meaning you're letting the first owner take the biggest hit. While it will continue to depreciate, the rate slows down significantly, allowing you to enjoy the car without losing a huge chunk of its value each year.

Total value lost since new: 54.3%.

## Alternatives to consider

- [Mercedes-AMG GT](https://autoscout.fyi/cars/mercedes-amg-gt.md)
- Porsche 911 (991.2 generation)
- Audi R8 V10

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Source: AutoScout (https://autoscout.fyi). Part of a review of the UK used-car market across 500+ models.