Head to head
Mercedes-Benz S-Class Saloon Long vs Porsche Cayenne
The Mercedes-Benz S-Class Saloon Long is a long-wheelbase flagship luxury saloon. The Porsche Cayenne is a performance suv.
Last reviewed 13 September 2026
Specifications side by side
| Mercedes-Benz S-Class Saloon Long | Porsche Cayenne | |
|---|---|---|
| Seats | 5 | 4-5 |
| Length | 5,304mm | - |
| Width | 1,921mm (excl. mirrors) | - |
| Boot capacity | 515-535 litres (combustion engines) | - |
| Engine options | S350d L 4MATIC diesel, S450e L / S580e 4MATIC L plug-in hybrid, S500 L 4MATIC petrol | - |
| Engine | - | 3.0 litre petrol 353bhp, up to 4.0 litre GTS 500bhp |
| 0-60mph | - | 4.4-5.7 seconds depending on engine |
| Boot space | - | 592-772 litres (seats up), 1,502-1,710 litres (seats down) |
Sources: Mercedes-Benz S-Class Saloon Long, Porsche Cayenne. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the S-Class Saloon Long if...
Mercedes' flagship saloon in long-wheelbase form, the standard car for UK chauffeur firms rather than self-drive hire. The extended wheelbase adds rear legroom rather than luggage space, which stays much the same as the standard car.
Listed by
- Anytime Chauffeurs - London
Buy or hire the Cayenne if...
A performance SUV hired by drivers wanting sports car pace and handling combined with practical space and ride height, rather than a low-slung sports car.
Listed by
- Starr Luxury Cars - London
Common questions
What is the difference between the Mercedes-Benz S-Class Saloon Long and the Porsche Cayenne?
The Mercedes-Benz S-Class Saloon Long is a long-wheelbase flagship luxury saloon; the Porsche Cayenne is a performance SUV.
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