Thank god im the first person to suggest this car 
Vehicle Name: BMW Z8 Cabrio 5.0 V8
Exterior:
Interior:
SPECS IRL:
Dimensions:
Wheelbase: 2504mm (~98.58 inches)
Length: 4374mm (~98.58 inches)
Width: 1831mm (~72.2 inches)
Height: 1318mm (~51.89 inches)
Front Axle: 1552mm (~61.1 inches)
Rear Axle: 1568mm (~61.73 inches)
Curb Weight: 1635kg (~3605 lbs)
Engine and Power:
Displacement: 4941cc (301.5 cu-in)
Engine Type: V8
Bore x Stroke: 94 x 89mm
Aspiration: NA (Naturally-Aspirated)
Peak Horsepower: 395HP@6600rpm
Peak Torque: 368lb-ft@3800rpm
Compression Ratio: 11.0
Drivetrain:
Transmission: 6-speed Manual
Layout: FR (Front-Engine, Rear-wheel Drive)
Performance:
Top Speed: 250kph (155mph)
0-100kph: 4.7 seconds or 4.2 seconds* *(as reported by Motor Trend magazine)
CC2 SPECS
In-game Name: BWN S8 Roadster
Price: 5M-15M
Exclusivity: Limited Exclusive
Top Speed: 250kph (155mph)
Acceleration: 12.3
Handling: 15.6
Braking: 14.7
Weight: 1.64 tonnes
Race Class: A (80)
Fully Upgraded:
Acceleration: 15.2
Handling: 17.3
Braking: 17.2
Weight: 1.48 tonnes
Other:
Have Custom Rims: YES