The Porsche Cayenne III Coupe Turbo, specifically the 4.0 V8 (550 Hp) Tiptronic S variant, represents the pinnacle of performance within the second generation (9YA) Cayenne Coupe lineup. Introduced in 2019 and continuing through April 2023, this model combined the luxurious appointments of the Cayenne Coupe with the potent twin-turbocharged V8 engine and Porsche’s sophisticated eight-speed Tiptronic S automatic transmission. Positioned as the flagship trim, it catered to buyers seeking uncompromising power, dynamic handling, and a sporty aesthetic within the Cayenne family. It built upon the foundation of the 9YA platform, shared with the Audi Q8, but distinguished itself through Porsche’s engineering and tuning expertise.
Technical Specifications
| Brand | Porsche |
| Model | Cayenne |
| Generation | Cayenne III Coupe |
| Type (Engine) | Turbo 4.0 V8 (550 Hp) Tiptronic S |
| Start of production | 2019 |
| End of production | April, 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe, SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 14.8-15.3 l/100 km (15.9 – 15.4 US mpg, 19.1 – 18.5 UK mpg, 6.8 – 6.5 km/l) |
| Fuel consumption (extra urban) | 9.0-9.4 l/100 km (26.1 – 25 US mpg, 31.4 – 30.1 UK mpg, 11.1 – 10.6 km/l) |
| Fuel consumption (combined) | 11.3-11.4 l/100 km (20.8 – 20.6 US mpg, 25 – 24.8 UK mpg, 8.8 – 8.8 km/l) |
| CO2 emissions | 258-261 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 3.9 sec |
| Acceleration 0 – 62 mph | 3.9 sec |
| Acceleration 0 – 60 mph | 3.7 sec |
| Maximum speed | 286 km/h (177.71 mph) |
| Emission standard | Euro 6d – TEMP – EVAP |
| Weight-to-power ratio | 4 kg/Hp, 250 Hp/tonne |
| Weight-to-torque ratio | 2.9 kg/Nm, 350 Nm/tonne |
| Power | 550 Hp @ 5750-6000 rpm |
| Power per litre | 137.6 Hp/l |
| Torque | 770 Nm @ 2000-4500 rpm (567.92 lb.-ft. @ 2000-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M.DCUA, DCUA |
| Engine displacement | 3996 cm3 (243.85 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 10.1:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Engine oil capacity | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Kerb Weight | 2200 kg (4850.17 lbs.) |
| Max. weight | 2915 kg (6426.47 lbs.) |
| Max load | 715 kg (1576.31 lbs.) |
| Trunk (boot) space – minimum | 598 l (21.12 cu. ft.) |
| Trunk (boot) space – maximum | 1513 l (53.43 cu. ft.) |
| Fuel tank capacity | 90 l (23.78 US gal | 19.8 UK gal) |
| Length | 4939 mm (194.45 in.) |
| Width | 1989 mm (78.31 in.) |
| Width including mirrors | 2194 mm (86.38 in.) |
| Height | 1653 mm (65.08 in.) |
| Wheelbase | 2895 mm (113.98 in.) |
| Front track | 1687 mm (66.42 in.) |
| Rear (Back) track | 1670 mm (65.75 in.) |
| Ride height (ground clearance) | 190-245 mm (7.48 – 9.65 in.) |
| Drag coefficient (Cd) | 0.34 |
| Ramp-over (brakeover) angle | 21.3° |
| Wading depth | 530 mm (20.87 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Tiptronic S |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs, 415 mm |
| Rear brakes | Ventilated discs, 365 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 285/40 ZR21; 315/35 ZR21 |
| Wheel rims size | 9.5 J x 21; 11J x 21 |
Powertrain & Engine Architecture
At the heart of the Cayenne Turbo Coupe lies the M.DCUA engine, a 4.0-liter twin-turbocharged V8. This engine is a member of the Volkswagen Group’s EA825 family, known for its robust construction and high output potential. The engine utilizes direct fuel injection, delivering fuel directly into the combustion chambers for improved efficiency and power. The twin-turbocharger setup, employing a pair of BorgWarner turbochargers, provides significant boost across a wide RPM range, contributing to the engine’s impressive torque curve. The valvetrain features four valves per cylinder, optimized for both low-end torque and high-revving performance. The eight-speed Tiptronic S automatic transmission is a crucial component, offering smooth and rapid gear changes. It features a torque converter lockup clutch for improved efficiency and a manual shift mode for driver control. The transmission is specifically tuned to handle the high torque output of the V8 engine.
Driving Characteristics
The Cayenne Turbo Coupe Tiptronic S delivers exhilarating performance. The 550 horsepower and 770 Nm (568 lb-ft) of torque translate into a 0-60 mph time of just 3.7 seconds and a top speed of 177.71 mph. The Tiptronic S transmission provides quick and precise shifts, although it doesn’t offer the same level of immediacy as a dual-clutch transmission. The all-wheel-drive system, Porsche Traction Management (PTM), ensures optimal traction in all conditions. The suspension, typically featuring Porsche Active Suspension Management (PASM), provides a comfortable ride while maintaining excellent body control. Compared to the base Cayenne or the Cayenne S, the Turbo Coupe offers a significantly more powerful and engaging driving experience. While the lower-powered models prioritize fuel efficiency, the Turbo Coupe focuses on outright performance. Compared to a manual transmission equipped Cayenne (not typically offered with the Turbo engine), the Tiptronic S provides ease of use and convenience, albeit with a slight compromise in driver engagement.
Equipment & Trim Levels
The Cayenne Turbo Coupe came standard with a comprehensive list of features, including leather upholstery, heated and ventilated front seats, a panoramic sunroof, and a premium sound system. Standard safety features included Porsche Stability Management (PSM), automatic emergency braking, and lane keep assist. Optional extras were plentiful, allowing buyers to personalize their vehicle. These included adaptive cruise control, massaging seats, a rear-seat entertainment system, and various interior trim options. The Coupe body style itself added a unique aesthetic appeal with its sloping roofline and more aggressive stance. Interior trim options ranged from standard leather to more luxurious Alcantara and carbon fiber accents.
Chassis & Braking
The Cayenne Turbo Coupe utilizes an independent multi-link suspension system at both the front and rear axles. This setup provides a comfortable ride and precise handling. The suspension is typically equipped with Porsche Active Suspension Management (PASM), which allows the driver to adjust the damping characteristics to suit their preferences. Braking duties are handled by ventilated discs at all four corners, with larger rotors and more powerful calipers on the front axle. The braking system is enhanced by Porsche Surface Coated Brake (PSCB) with tungsten carbide, offering improved fade resistance and durability. The Cayenne Turbo Coupe also features a robust anti-lock braking system (ABS) and electronic stability control (ESC).
Market Reception & Comparison
The Cayenne Turbo Coupe was generally well-received by automotive critics, praised for its powerful engine, luxurious interior, and engaging driving dynamics. However, its high price tag and relatively poor fuel economy were often cited as drawbacks. Compared to other high-performance SUVs, such as the BMW X5 M and the Mercedes-AMG GLE 63 Coupe, the Cayenne Turbo Coupe offered a unique blend of performance, luxury, and Porsche brand cachet. Fuel economy, while not a strong point, was comparable to other vehicles in its class. Reliability reports have been generally positive, although the complex twin-turbocharged engine and advanced technology require regular maintenance.
Legacy
The Porsche Cayenne III Coupe Turbo 4.0 V8 (550 Hp) Tiptronic S remains a desirable vehicle in the used car market. Its combination of performance, luxury, and exclusivity ensures continued demand. The M.DCUA engine, while complex, has proven to be relatively reliable when properly maintained. Regular oil changes and adherence to Porsche’s recommended service intervals are crucial for long-term durability. The Cayenne Turbo Coupe represents a high point in Porsche’s SUV development, offering a compelling alternative to traditional sports cars for buyers seeking a versatile and high-performance vehicle.
