The Comparative Analysis :
BMW M550i xDrive Steptronic (17 - 18) vs. BMW 518d Steptronic (14 - 16)
€ 86,300
€ 43,100
€ 86,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The M550i is a little bigger in every dimension. It's 2.2 inches longer, 0.3 inches wider and 0.1 inches taller than the 518d.
M550i
518d
57.8
73.5
83.7
57.6
73.2
82.4
73.5 in
Width
73.2 in
83.7 in
Width Incl. Mirrors
82.4 in
57.8 in
Height
57.6 in
117.1
195.4
116.9
193.2
195.4 in
Length
193.2 in
117.1 in
Wheelbase
116.9 in
Vehicle Weight
M550i
518d
4156 lb
Curb Weight
3748 lb
5423 lb
Gross Vehicle
Weight
Weight
4927 lb
Weight Difference:
408 lb
9.82 %
General
M550i
518d
G30
Generation
F10
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
M550i
518d
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four diesel engine with turbocharger
BMW N63
Engine Series
BMW B47
N63-B44
Engine Code
B47-D20
4
Valves
4
8
Cylinders
4
4.4 L / 215 cu in
Displacement
2 L / 98 cu in
456 hp
at 5500 rpm
Power
148 hp
at 4000 rpm
M550i
456 hp
148 hp
518d
479 lb‑ft
at 1800 rpm
Max. Torque
266 lb‑ft
at 1750 rpm
M550i
479 lb‑ft
266 lb‑ft
518d
Performance
M550i
518d
155 mph
Maximum Speed
134 mph
4 sec
Acceleration 0 to 62 mph
9.4 sec
62 mph
62
mph
mph
184 ft
0.000 sec
M550i
62 mph
62
mph
mph
430 ft
0.000 sec
518d
▶ REPLAY
9.11 lb/hp
Weight-to-Power Ratio
25.32 lb/hp
M550i
9.11 lb/hp
25.32 lb/hp
518d
Fuel Economy / Emissions
M550i
518d
Fuel Economy
26 mpg
combined
56 mpg
M550i
26 mpg
56 mpg
518d
19 mpg
city
48 mpg
No data
highway
No data
18 gal
Fuel Tank Capacity
18.5 gal
475 mi
Range
1036 mi
M550i
475 mi
1036 mi
518d
Environmental Impact
168.7 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
86.4 kWh
M550i
168.7 kWh
86.4 kWh
518d
Euro 6c (NEFZ)
Emission Standard
Euro 6b (NEFZ)
328 g/mi (NEFZ)
CO2 Emissions
177 g/mi (NEFZ)
Practical Convenience
M550i
518d
4
Doors
4
5
No. of Seats
5
1268 lb
Maximum Payload
1179 lb
15 cu ft
Trunk Volume
14.7 cu ft
No data
Cargo Volume (Seats Down)
No data
