| Specification | 640i - Convertible 3.0L Turbo | 640i xDrive - Convertible 3.0L Turbo AWD | 650i - Convertible 4.4L V8 Twin-turbo | 650i xDrive - Convertible 4.4L V8 Twin-turbo AWD | M6 - Convertible 4.4L V8 Twin-turbo mated |
|---|---|---|---|---|---|
| Engine | |||||
| Horsepower | 315 hp | 315 hp | 445 hp | 445 hp | 560 hp |
| Torque | 330 lb-ft | 330 lb-ft | 480 lb-ft | 480 lb-ft | 500 lb-ft |
| Displacement | 3.0L | 3.0L | 4.4L | 4.4L | 4.4L |
| Cylinders | 6 | 6 | 8 | 8 | 8 |
| Engine Type | Gas | Gas | Gas | Gas | Gas |
| Transmission | Automatic w/OD 8-spd | Automatic w/OD 8-spd | Automatic w/OD 8-spd | Automatic w/OD 8-spd | Automatic w/OD 8-spd |
| Drivetrain | Rear wheel drive | All wheel drive | Rear wheel drive | All wheel drive | Rear wheel drive |
| Fuel Type | Regular Gasoline | Regular Gasoline | Regular Gasoline | Regular Gasoline | Regular Gasoline |
| Performance | |||||
| Fuel Tank | 70.0L | 70.0L | 70.0L | 70.0L | 79.9L |
| Curb Weight | 4250 lbs | 4415 lbs | 4490 lbs | 4640 lbs | 4515 lbs |
| Dimensions | |||||
| Length | 4897 mm | 4897 mm | 4897 mm | 4897 mm | 4897 mm |
| Width | 1895 mm | 1895 mm | 1895 mm | 1895 mm | 1900 mm |
| Height | 1364 mm | 1364 mm | 1364 mm | 1364 mm | 1369 mm |
| Wheelbase | 2855 mm | 2855 mm | 2855 mm | 2855 mm | 2850 mm |
| Ground Clearance | 121 mm | 121 mm | 121 mm | 121 mm | 106 mm |
| Cargo | 311.0L | 311.0L | 311.0L | 311.0L | 311.0L |
| Seats | 4 | 4 | 4 | 4 | 4 |
| Body | Convertible | Convertible | Convertible | Convertible | Convertible |
| Tires & Wheels | |||||
| Front Tires | P245/45VR18 | P245/45VR18 | P245/45VR18 | P245/45VR18 | P245/45VR18 |
| Rear Tires | P245/45VR18 | P245/45VR18 | P245/45VR18 | P245/45VR18 | P245/45VR18 |
| Wheel Size | 18" | 18" | 18" | 18" | 18" |
| Brakes & Suspension | |||||
| Front Suspension | Double Wishbone | Double Wishbone | Double Wishbone | Double Wishbone | Double Wishbone |
| Rear Suspension | Multi-Link | Multi-Link | Multi-Link | Multi-Link | Multi-Link |
| Fluids & Maintenance | |||||
| Oil Type | 0W-30 | 0W-30 | 0W-30 | 0W-30 | 0W-30 |
| Oil Capacity | 6.5L | 6.5L | 6.5L | 6.5L | 6.5L |
| Electric / Hybrid | |||||