The Porsche Cayenne III Coupe Turbo GT, introduced in April 2023 as part of the facelift for the third-generation Cayenne, represents the pinnacle of performance within the Cayenne Coupe range. Positioned as the flagship model, it combines a potent 4.0-liter twin-turbocharged V8 engine with an eight-speed Tiptronic S automatic transmission and a performance-focused chassis. This variant is designed for drivers seeking the highest levels of performance and exclusivity in a luxury SUV, blending Porsche’s sports car DNA with the practicality of a coupe-styled SUV. It builds upon the foundation of the 9HX platform, shared with the Audi Q8, but distinguishes itself through unique engine tuning, suspension calibration, and aerodynamic enhancements.
Technical Specifications
| Brand | Porsche |
| Model | Cayenne |
| Generation | Cayenne III (facelift 2023) Coupe |
| Type (Engine) | Turbo GT 4.0 V8 (650 Hp) Tiptronic S |
| Start of production | April, 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe, SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 3.3 sec |
| Acceleration 0 – 62 mph | 3.3 sec |
| Acceleration 0 – 60 mph | 3.1 sec |
| Acceleration 0 – 200 km/h | 12.1 sec |
| Maximum speed | 305 km/h (189.52 mph) |
| Weight-to-power ratio | 3.5 kg/Hp, 283.5 Hp/tonne |
| Weight-to-torque ratio | 2.7 kg/Nm, 370.7 Nm/tonne |
| Power | 650 Hp @ 6000 rpm |
| Power per litre | 162.7 Hp/l |
| Torque | 850 Nm @ 2300-4500 rpm (626.93 lb.-ft. @ 2300-4500 rpm) |
| Maximum engine speed | 6800 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EA825 |
| 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.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-Turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Kerb Weight | 2293 kg (5055.2 lbs.) |
| Max. weight | 2680 kg (5908.39 lbs.) |
| Max load | 387 kg (853.19 lbs.) |
| Trunk (boot) space – minimum | 576 l (20.34 cu. ft.) |
| Trunk (boot) space – maximum | 1486 l (52.48 cu. ft.) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Length | 4932 mm (194.17 in.) |
| Width with mirrors folded | 1995 mm (78.54 in.) |
| Width including mirrors | 2194 mm (86.38 in.) |
| Height | 1648 mm (64.88 in.) |
| Wheelbase | 2895 mm (113.98 in.) |
| Ride height (ground clearance) | 173-223 mm (6.81 – 8.78 in.) |
| Minimum turning circle (turning diameter) | 11.5 m (37.73 ft.) |
| Ramp-over (brakeover) angle | 20.6° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| 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, Air suspension |
| Rear suspension | Independent multi-link suspension, Air suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system), 4-wheel steering (4WS, active rear steering) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | Front wheel tires: 285/40 ZR22 Rear wheel tires: 315/35 ZR22 |
| Wheel rims size | Front wheel rims: 10.5J x 22 Rear wheel rims: 11.5J x 22 |
Powertrain & Engine Architecture
At the heart of the Cayenne Turbo GT lies the EA825 engine, a 4.0-liter twin-turbocharged V8. This engine benefits from extensive revisions over the standard Cayenne Turbo, including upgraded turbochargers, optimized engine mapping, and a titanium exhaust system. These modifications contribute to the increased power output of 650 horsepower and 850 Nm (626 lb-ft) of torque. The engine utilizes direct fuel injection and a dual overhead camshaft (DOHC) valvetrain. The Tiptronic S eight-speed automatic transmission is specifically tuned for rapid shifts and responsive performance. It features a wider gear spread and a more aggressive shift strategy compared to other Cayenne variants. The transmission is designed to handle the high torque output of the V8 and deliver seamless power delivery.
Driving Characteristics
The Cayenne Turbo GT delivers exhilarating acceleration, achieving 0-60 mph in just 3.1 seconds and a top speed of 305 km/h (189.52 mph). The Tiptronic S transmission provides quick and precise gear changes, enhancing the driving experience. Compared to the standard Cayenne Turbo, the Turbo GT offers a noticeably more aggressive throttle response and a more engaging driving feel. The suspension, featuring Porsche Active Suspension Management (PASM) and air suspension, is tuned for optimal handling and stability. The standard Porsche Dynamic Chassis Control (PDCC) further minimizes body roll during cornering. While the automatic transmission prioritizes performance, it also offers a manual shift mode for greater driver control.
Equipment & Trim Levels
The Cayenne Turbo GT comes standard with a comprehensive list of features, including a sport exhaust system, carbon fiber trim elements, and unique interior appointments. The interior features sport seats upholstered in Alcantara and leather, with contrasting stitching and Turbo GT badging. Standard technology includes a 12.3-inch touchscreen infotainment system, a digital instrument cluster, and a premium sound system. Optional extras include a carbon fiber roof, extended leather interior trim, and various driver assistance systems. The overall aesthetic is focused on a sporty and luxurious experience.
Chassis & Braking
The Cayenne Turbo GT utilizes an independent multi-link suspension system at both the front and rear, enhanced by air suspension for adjustable ride height and comfort. The air suspension allows for lowering the vehicle for improved aerodynamics and handling. The braking system features ventilated discs on all four wheels, with larger rotors and more powerful calipers compared to other Cayenne models. Porsche Ceramic Composite Brakes (PCCB) are available as an optional upgrade for even greater stopping power and fade resistance. The vehicle also incorporates Porsche 4D Chassis Control, which actively manages the suspension and dampers to optimize handling and stability.
Market Reception & Comparison
The Cayenne Turbo GT has been widely praised by automotive critics for its exceptional performance and handling. It is often compared to high-performance SUVs from other luxury brands, such as the Lamborghini Urus and the BMW X5 M. While the Turbo GT offers a more focused driving experience than the standard Cayenne Turbo, it does come at a higher price point. Fuel economy is relatively low, as expected for a high-performance V8 engine. However, the Turbo GT’s overall performance and exclusivity have made it a popular choice among enthusiasts.
Legacy
The Cayenne Turbo GT represents a significant step forward in the performance capabilities of the Cayenne lineup. Its potent engine, advanced chassis technology, and luxurious interior have established it as a benchmark in the high-performance SUV segment. While long-term reliability data is still emerging, Porsche’s reputation for engineering excellence suggests that the EA825 engine and Tiptronic S transmission are likely to prove durable. On the used car market, the Turbo GT is expected to hold its value well due to its limited production numbers and desirable specifications.
