The Cullinan is built on Rolls-Royce's all-new aluminium spaceframe architecture, which provides exceptional rigidity and strength while also reducing weight. 

1] Engine and Transmission:- 
1.The SUV features a powerful 6.75-liter twin-turbo V12 engine that produces 563 horsepower and 627 lb-ft of torque, and is paired with an eight-speed automatic transmission. 
2.This powerful engine allows the Cullinan to accelerate from 0-60 mph in just 4.8 seconds, making it one of the fastest SUVs on the market.

2] Features:- 
1.The Cullinan also boasts impressive off-road capabilities, with an advanced all-wheel-drive system and air suspension that allows it to tackle tough terrain with ease.
2.The Cullinan is unmistakably Rolls-Royce, with its signature rectangular grille, elegant lines, 3.Classic styling cues.

3] Interior:-
1.The interior of the Cullinan is opulent and customizable, with high-quality leather, wood, and metal accents. 
2.Cutting-edge technology such as a large infotainment system 
3.And a customizable digital instrument cluster. 
4.The interior is even more impressive, with a level of luxury and refinement that is unparalleled in the automotive world. 
5.The cabin is incredibly spacious and can be configured with a variety of seating options to suit the needs of the driver and passengers.
6.The Cullinan comes with a wide range of advanced technology and features, including an advanced air suspension system, 
7.All-wheel drive, and a host of driver assistance systems. 

4] Exterior:- 
It also has a high-end sound system, a panoramic sunroof, and a rear-seat entertainment system that includes dual screens and a removable tablet controller. 

5] Seating Capacity: 
It offers to seat up to five passengers.

6] Overall:- 
The Rolls-Royce Cullinan is a truly impressive vehicle that combines exceptional luxury and refinement with outstanding performance and capability. 
It is a fitting flagship for the legendary Rolls-Royce brand, and is sure to impress even the most discerning automotive enthusiasts.