Basic Info

Vehicle Details

Year:

2021

Make:

BMW

Model:

M850

Trim:

I Xdrive 2DR AWD Convertible

Style:

i xDrive 2dr All-wheel Drive Convertible

Base Price:

$121,400

Drive:

All-wheel Drive

Dimensions & Weight

Curb Weight:

4,736 lbs

Length:

191.2 in.

Width:

74.9 in.

Height:

53 in.

Wheelbase:

111.1 in.

Drag Coefficient:

0.32

Engine & Powertrain

Horsepower:

523 hp @ 5,500 rpm

Torque:

553 ft-lbs @ 1,800 rpm

Engine:

4.4l V-8 Turbo/supercharged

Displacement:

4.4 liters

Compression Ratio:

10.50 to 1

Valves:

32

Engine Config:

Standard

Redline:

6,300 rpm

Dyno Chart

1000250040005500RPM0150300450600Power (hp)0150300450600Torque (lb-ft)
  • Horsepower
  • Torque

Performance

All times below are derived from the MotorMatchup advanced vehicle simulation using a street surface.

Street Surface

0-60 mph (1ft):

3.29 sec

0-60 mph:

3.51 sec

0-100 mph:

8.8 sec

60-130 mph:

12 sec

100-150 mph:

13.67 sec

Top Speed:

191 mph

Drag Strip Performance

⅛ mile:

7.47 sec @ 91.4 mph

¼ mile:

11.75 sec @ 114.6 mph

½ mile:

18.71 sec @ 141 mph

1 mile:

30.34 sec @ 165.9 mph

Metric Performance

0-100 km/h:

3.68 sec

0-200 km/h:

14 sec

0-300 km/h:

64.11 sec

Drivetrain

Front Tires:

P245/35YR20

Rear Tires:

P275/30YR20

Tire Compound:

Run-flat Performance

Transmission:

8-speed Automatic

Final Drive:

3.4

Gear Ratios

1: 5.5
2: 3.52
3: 2.2
4: 1.72
5: 1.32
6: 1
7: 0.82
8: 0.64
R: 3.99
Speed vs RPM
Top Speed: 191 MPHRedline: 6300 RPM02000400060008000RPM065130259MPH

Fuel & Efficiency

MPG Highway:

24 mpg

MPG City:

17 mpg

Fuel Capacity:

18 gal.

Estimated Range:

378 miles

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