The Comparative Analysis :
BMW 518d Steptronic (14 - 16) vs. BMW M550i xDrive Steptronic (17 - 18)
€ 43,100

€ 86,300

€ 43,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 86,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 518d is a little smaller in every dimension. It's 2.2 inches shorter, 0.3 inches narrower and 0.1 inches lower than the M550i.
518d
M550i
57.6
73.2
82.4
57.8
73.5
83.7
73.2 in
Width
73.5 in
82.4 in
Width Incl. Mirrors
83.7 in
57.6 in
Height
57.8 in
116.9
193.2
117.1
195.4
193.2 in
Length
195.4 in
116.9 in
Wheelbase
117.1 in
Vehicle Weight
518d
M550i
3748 lb
Curb Weight
4156 lb
4927 lb
Gross Vehicle
Weight
Weight
5423 lb

Weight Difference:
408 lb
9.82 %

General
518d
M550i
F10
Generation
G30
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
518d
M550i
Straight-four diesel engine with turbocharger
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
BMW B47
Engine Series
BMW N63
B47-D20
Engine Code
N63-B44

4
Valves
4
4
Cylinders
8
2 L / 98 cu in
Displacement
4.4 L / 215 cu in
148 hp
at 4000 rpm
Power
456 hp
at 5500 rpm
518d
148 hp
456 hp
M550i
266 lb‑ft
at 1750 rpm
Max. Torque
479 lb‑ft
at 1800 rpm
518d
266 lb‑ft
479 lb‑ft
M550i
Performance
518d
M550i
134 mph
Maximum Speed
155 mph
9.4 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
430 ft
0.000 sec

518d
62 mph
62
mph
mph
184 ft
0.000 sec

M550i
▶ REPLAY
25.32 lb/hp
Weight-to-Power Ratio
9.11 lb/hp
518d
25.32 lb/hp
9.11 lb/hp
M550i
Fuel Economy / Emissions
518d
M550i
Fuel Economy
56 mpg
combined
26 mpg
518d
56 mpg
26 mpg
M550i
48 mpg
city
19 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18 gal
1036 mi
Range
475 mi
518d
1036 mi
475 mi
M550i
Environmental Impact
86.4 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).
168.7 kWh
518d
86.4 kWh
168.7 kWh
M550i
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ)
177 g/mi (NEFZ)
CO2 Emissions
328 g/mi (NEFZ)
Practical Convenience
518d
M550i
4
Doors
4
5
No. of Seats
5
1179 lb
Maximum Payload
1268 lb
14.7 cu ft
Trunk Volume
15 cu ft











No data
Cargo Volume (Seats Down)
No data