The Comparative Analysis :
BMW 630i Coupé Sport-Automatic (07 - 10) vs. Mercedes S 400 Coupé 4MATIC 7G-TRONIC PLUS (15 - 17)
€ 72,800
€ 100,600
€ 72,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 100,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 630i Coupé is considerably smaller in every dimension. It's 8.1 inches shorter, 1.7 inches narrower and 1.5 inches lower than the Mercedes S 400 Coupé.
BMW 630i Coupé
Mercedes S 400 Coupé
54.1
73
80.2
55.6
74.8
83
73 in
Width
74.8 in
80.2 in
Width Incl. Mirrors
83 in
54.1 in
Height
55.6 in
109.4
189.8
115.9
197.9
189.8 in
Length
197.9 in
109.4 in
Wheelbase
115.9 in
Vehicle Weight
BMW 630i Coupé
Mercedes S 400 Coupé
3560 lb
Curb Weight
4486 lb
4387 lb
Gross Vehicle
Weight
Weight
5600 lb
Weight Difference:
926 lb
20.64 %
General
BMW 630i Coupé
Mercedes S 400 Coupé
E63
Generation
C217
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

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

6-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 630i Coupé
Mercedes S 400 Coupé
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
BMW N53
Engine Series
Mercedes-Benz M 276
N53-B30
Engine Code
M 276.824


4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
268 hp
at 6700 rpm
Power
362 hp
at 5500 rpm
BMW 630i Coupé
268 hp
362 hp
Mercedes S 400 Coupé
236 lb‑ft
at 2750 rpm
Max. Torque
369 lb‑ft
at 1800 rpm
BMW 630i Coupé
236 lb‑ft
369 lb‑ft
Mercedes S 400 Coupé
Performance
BMW 630i Coupé
Mercedes S 400 Coupé
155 mph
Maximum Speed
155 mph
6.4 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
292 ft
0.000 sec
BMW 630i Coupé
62 mph
62
mph
mph
256 ft
0.000 sec
Mercedes S 400 Coupé
▶ REPLAY
13.28 lb/hp
Weight-to-Power Ratio
12.39 lb/hp
BMW 630i Coupé
13.28 lb/hp
12.39 lb/hp
Mercedes S 400 Coupé
Fuel Economy / Emissions
BMW 630i Coupé
Mercedes S 400 Coupé
Fuel Economy
31 mpg
combined
28 mpg
BMW 630i Coupé
31 mpg
28 mpg
Mercedes S 400 Coupé
21 mpg
city
21 mpg
No data
highway
36 mpg
18.5 gal
Fuel Tank Capacity
21.1 gal
565 mi
Range
599 mi
BMW 630i Coupé
565 mi
599 mi
Mercedes S 400 Coupé
Environmental Impact
145.8 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).
157.2 kWh
BMW 630i Coupé
145.8 kWh
157.2 kWh
Mercedes S 400 Coupé
Euro 4
Emission Standard
Euro 6b (NEFZ)
296 g/mi (NEFZ)
CO2 Emissions
311 g/mi (NEFZ)
Practical Convenience
BMW 630i Coupé
Mercedes S 400 Coupé
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
1113 lb
12.7 cu ft
Trunk Volume
11.3 cu ft








No data
Cargo Volume (Seats Down)
No data

















