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Engine Technical Data
Engine type - Number of cylinders
Inline 4
Inline 4
Engine Code
B48
M 254.920
Fuel type
Hybrid / Petrol
Hybrid / Petrol
Fuel System
Direct Injection
Direct Injection
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Front
Engine displacement
121.9 cu-in / 1998 cm3
122 cu-in / 1999 cm3
Bore
3.23 inches
82.0 mm
3.27 inches
83.0 mm
Stroke
3.72 inches
94.6 mm
3.62 inches
92.0 mm
Number of valves
16
16
Aspiration
Turbo Intercooler
Turbo Intercooler
Compression Ratio
11.6
10.0
Total System Power
295 HP / 299 PS / 220 kW
309 HP / 313 PS / 230 kW
Total System Torque
331 lb-ft / 450 Nm
405 lb-ft / 550 Nm
Horsepower
187 HP / 190 PS / 140 kW @ 4400-6500 rpm
201 HP / 204 PS / 150 kW @ 6100 rpm
Maximum torque
228 lb-ft / 310 Nm @ 1500-4000 rpm
236 lb-ft / 320 Nm @ 2000-4000 rpm
Total electric power
181 HP / 184 PS / 135 kW
127 HP / 129 PS / 95 kW
Total electric torque
184 lb-ft / 250 Nm
324 lb-ft / 440 Nm
Number of electric engines
1
1
Electric engine #1 type
SSM - Separately Excited Synchronous Motor
PSM - Permanent Magnet Synchronous Motor
Electric engine #1 Power
181 HP / 184 PS / 135 kW @ 7000 rpm
127 HP / 129 PS / 95 kW
Electric engine #1 Torque
184 lb-ft / 250 Nm @ 100-5500 rpm
324 lb-ft / 440 Nm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
8
9
Clutch Type
Automatic
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Sedan
Sedan
Num. of Doors
4
4
Num. of Seats
5
5
Seat distribution
2+3
Front legroom
41.3 inches / 104.9 cm
Rear seat legroom
37.01 inches / 94 cm
28.66 inches / 72.8 cm
Front shoulder room
59.21 inches / 150.4 cm
57.8 inches / 146.8 cm
Rear shoulder room
56.89 inches / 144.5 cm
57.48 inches / 146.0 cm
Front head room
40.67 inches / 103.3 cm
41.61 inches / 105.7 cm
Rear head room
38.15 inches / 96.9 cm
38.23 inches / 97.1 cm
Wheelbase
117.91 inches / 299.5 cm
116.57 inches / 296.1 cm
Length
199.21 inches / 506.0 cm
194.84 inches / 494.9 cm
Width
74.8 inches / 190.0 cm
74.02 inches / 188.0 cm
Width with mirrors
84.88 inches / 215.6 cm
81.3 inches / 206.5 cm
Height
59.65 inches / 151.5 cm
57.8 inches / 146.8 cm
Front Axle
66.14 inches / 168.0 cm
64.33 inches / 163.4 cm
Rear Axle
67.56 inches / 171.6 cm
64.88 inches / 164.8 cm
Ground clearance
6.06 inches / 15.4 cm6.06 inches / 15.4 cm
3.35 inches / 8.5 cm3.35 inches / 8.5 cm
Aerodynamic drag coefficient - Cx
0.24
Front Brakes - Disc dimensions
Vented Discs
Vented Discs
Rear Brakes - Disc dimensions
Vented Discs
Vented Discs
Front Tyres - Rims dimensions
245/45 R19
225/60 R17
Rear Tyres - Rims dimensions
245/45 R19
225/60 R17
Front Wheels Width
8.5
7.5
Rear Wheels Width
8.5
7.5
Curb Weight
4586 lbs / 2080 kg
4872 lbs / 2210 kg
Max. Towing Capacity Weight
3968 lbs / 1800 kg
4630 lbs / 2100 kg
Weight/Power Output Ratio
6.96 Kg/hp
7.06 Kg/hp
Trunk / Boot capacity
18.4 cu-ft / 520 L
13.1 cu-ft / 370 L
Turning circle
40.4 feet / 12.3 m
38.1 feet / 11.6 m
Front Suspension
Independent Double wishbone. Coil Springs. Anti-roll bar.
Multi-link. Coil Springs. Anti-roll bar.
Rear Suspension
Multi-link. Coil Springs. Anti-roll bar.
Multi-link. Coil Springs. Anti-roll bar.
Top Speed
143 Mph / 230 km/h
147 Mph / 236 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
6.4 s
6.4 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - Combined WLTP
392 MPG
0.6 L/100 km
471 MPG UK
470 MPG
0.5 L/100 km
565 MPG UK
Battery Type
Lithium-ion
Lithium-ion
Battery capacity
19.4 kWh / 18.7 kWh
25.4 kWh
Charging Time
Wallbox 1-phase - 7.4 kW - 100 % - 3h04m
DC - 55 kW - 80 % - 0h20m
Wallbox 3-phase - 11 kW - 100 % - 2h00m
Range WLTP
6215 miles / 10000 km
6215 miles / 10000 km
Electric Range WLTP
63 miles / 102 km
73 miles / 117 km
Electric Range WLTP
71 miles / 115 km
Average energy consumption WLTP
2.86 miles/ kWh (21.7 kWh / 100 km)
3.36 miles/ kWh (18.5 kWh / 100 km)
Fuel Tank Capacity
15.9 gallons
60 L
13.2 UK gallons
13.2 gallons
50 L
11 UK gallons
CO2 emissions WLTP
14 g/Km (BMW)
12 g/Km (Mercedes Benz)
Emission standard
Euro 6e 36EA
Euro 6d - WLTP