| Specification | M40i | Roadster | sDrive30i |
|---|---|---|---|
| Engine | |||
| Horsepower | 255 hp | 382 hp | 255 hp |
| Torque | 295 lb-ft | 369 lb-ft | 295 lb-ft |
| Displacement | 2.0L | 3.0L | 2.0L |
| Cylinders | 6 | 6 | 6 |
| Engine Type | Intercooled Turbo Premium Unleaded I-4 | Gas | Intercooled Turbo Premium Unleaded I-4 |
| Transmission | Automatic w/OD 8-spd | Automatic w/OD 8-spd | Automatic w/OD 8-spd |
| Drivetrain | Rear-Wheel Drive | Rear Wheel Drive | Rear-Wheel Drive |
| Fuel Type | Regular Gasoline | Regular Gasoline | Regular Gasoline |
| Performance | |||
| Fuel Tank | 51.9L | 51.9L | 51.9L |
| Curb Weight | 3463 lbs | 3543 lbs | 3463 lbs |
| Towing | 999 lbs | 999 lbs | 999 lbs |
| Dimensions | |||
| Length | 4340 mm | 4336 mm | 4340 mm |
| Width | 1860 mm | 1864 mm | 1860 mm |
| Height | 1310 mm | 1306 mm | 1310 mm |
| Wheelbase | 2470 mm | 2469 mm | 2470 mm |
| Ground Clearance | 119 mm | 119 mm | 119 mm |
| Cargo | 280.3L | 280.3L | 280.3L |
| Seats | 2 | 2 | 2 |
| Body | Convertible | Convertible | Convertible |
| Tires & Wheels | |||
| Front Tires | P225/45YR18 | P255/40YR18 | P225/45YR18 |
| Rear Tires | P255/40YR18 | P275/40YR18 | P255/40YR18 |
| Wheel Size | 18" | 18" | 18" |
| Brakes & Suspension | |||
| Front Suspension | Strut | Strut | Strut |
| Rear Suspension | Multi-Link | Multi-Link | Multi-Link |
| Fluids & Maintenance | |||
| Electric / Hybrid | |||