2017 BMW M4 Convertible 6MT
The 2017 BMW M4 Convertible 6MT is a 425-hp 3.0-liter turbocharged inline-6 convertible with a 6-speed manual and rear-wheel drive. It is rated at 20 mpg combined.
It makes 425 horsepower at 5,500 rpm and 406 lb-ft of torque at 1850-5500 rpm, spinning to a 7,600 rpm redline. EPA fuel-economy estimates are 17 mpg city and 26 mpg highway (20 mpg combined).
The M4 measures 184.5 inches long on a 110.7-inch wheelbase and has a curb weight of 4,055 lb.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 3.0L M TwinPower Turbo Inline-6 (S55) |
| Displacement | 2.979 L |
| Horsepower | 425 hp @ 5,500 rpm |
| Torque | 406 lb-ft @ 1850-5500 rpm |
| Redline | 7,600 rpm |
| Valvetrain | DOHC 24-valve VALVETRONIC / Double-VANOS |
| Bore and Stroke | 84.0 x 89.6 |
| Compression Ratio | 10.2:1 |
| Injection Type | High Precision Direct Injection |
| Drivetrain | |
| Drive Type | RWD |
| Differential Type | Active M Differential |
| Transmission | |
| Transmission | 6-speed manual |
| 1st Gear | 4.11 (42 mph **) |
| 2nd Gear | 2.315 (75 mph **) |
| 3rd Gear | 1.542 (113 mph **) |
| 4th Gear | 1.179 (148 mph **) |
| 5th Gear | 1 (174 mph **) |
| 6th Gear | 0.846 (206 mph **) |
| Reverse | 3.727 |
| Final Drive | 3.462 |
| Fuel Economy | |
| City | 17 MPG |
| Highway | 26 MPG |
| Combined | 20 MPG |
| Recommended Fuel | Premium |
| Tank Capacity | 15.8 gal |
| Suspension | |
| Turning Diameter | 40 ft |
| Brakes | |
| Front Brake Disc | 15.0 in ventilated compound disc |
| Rear Brake Disc | 14.6 in ventilated compound disc |
| Tires & Wheels | |
| Wheels Front | 9.0 x 18 |
| Wheels Rear | 10.0 x 18 |
| Tires Front | 255/40ZR18 |
| Tires Rear | 275/40ZR18 |
| Dimensions & Weight | |
| Length | 184.5 in |
| Width | 73.6 in |
| Height | 54.6 in |
| Wheelbase | 110.7 in |
| Front Track | 62.2 in |
| Rear Track | 63.1 in |
| Ground Clearance | 4.7 in |
| Cargo Volume | 7.9 ft³ |
| Curb Weight | 4,055 lbs |
| Weight Distribution (F/R) | 47.3% / 52.7% |
| Interior | |
| Headroom Front | 39.8 in |
| Headroom Rear | 36.1 in |
| Legroom Front | 42.2 in |
| Legroom Rear | 33.7 in |
| Shoulder Room Front | 55.3 in |
| Shoulder Room Rear | 51.7 in |
** Theoretical max speed per gear at redline