BMW XM vs Porsche Cayenne
Value retention, real cost and monthly money, compared on the same 2026 South African data.
The Porsche Cayenne wins on money kept: 59% retained after three years vs 53%, worth about R 685 995 at trade-in time.
Both curves, one chart
Head to head
| XM | Cayenne | |
|---|---|---|
| New price (from) | R 3 675 000 | R 2 149 000 |
| ±Monthly instalment | R 64 233/m | R 37 561/m |
| Retained after 1 year | 75% | 79% |
| Retained after 3 years | 53% | 59% |
| Value after 3 years | R 1 956 479 | R 1 270 484 |
| Lost to depreciation (3y) | R 1 718 521 | R 878 516 |
| Value after 5 years | R 1 345 481 | R 928 723 |
| Our tier | Luxury flagship & exotic | Premium (established) |
BMW XM →
The XM is BMW M's plug-in hybrid flagship SUV, sold in South Africa since 2023 at close to four million rand. Divisive styling and flagship pricing keep volumes tiny. Early examples have already shed value heavily.
Known for: divisive m flagship hybrid suv
Porsche Cayenne →
Since 2003 the Cayenne has been Porsche's volume seller in South Africa alongside the Macan, offering petrol, diesel and later plug-in hybrid power. The current third generation starts around R2.15 million and the coupe body adds a style-led option. Early V8 and diesel models are now affordable used buys, but running costs catch out bargain hunters.
Known for: sports car pace in a family suv
Common questions
Which holds value better, the BMW XM or the Porsche Cayenne?
The Porsche Cayenne. It keeps about 59% of its price after three years against 53% for the BMW XM, a gap of 6 points.
Which is cheaper to own over three years?
Depreciation is the biggest ownership cost. The BMW XM loses about R 1 718 521 over three years and the Porsche Cayenne loses about R 878 516. Fuel, insurance and servicing can narrow or widen that, but the depreciation gap is the number to start from.
What do they cost per month?
On typical finance (10% deposit, 72 months, 11.75%), the BMW XM runs about R 64 233 per month and the Porsche Cayenne about R 37 561, before fees and insurance.
Keep going
Modelled estimates on a retail basis; spec levels and real transaction prices vary.