The Comparative Analysis :

BMW i8 Coupé (14 - 18) vs. Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..)

€ 134,000
BMW i8 Coupé (14 - 18) BMW i8 Coupé
€ 102,800
 Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..) Mercedes S 450 Coupé
€ 134,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 102,800

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ significantly. The BMW i8 Coupé is 13.5 inches shorter, 1.7 inches wider and 4.8 inches lower than the Mercedes S 450 Coupé.
BMW i8 Coupé
Mercedes S 450 Coupé
50.9
Blueprint BMW i8 Coupé (14 - 18)
76.5
87.3
55.7
Blueprint Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..)
74.8
83
76.5 in
Width
74.8 in
87.3 in
Width Incl. Mirrors
83 in
50.9 in
Height
55.7 in
Blueprint BMW i8 Coupé (14 - 18)
110.2
184.6
Blueprint Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..)
115.9
198.1
184.6 in
Length
198.1 in
110.2 in
Wheelbase
115.9 in

Vehicle Weight

BMW i8 Coupé
Mercedes S 450 Coupé
3439 lb
Curb Weight
4530 lb
4090 lb
Gross Vehicle
Weight
5633 lb
BMW i8 Coupé (14 - 18)
Weight Difference:
1091 lb
24.08 %
Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..)

General

BMW i8 Coupé
Mercedes S 450 Coupé
I12
Generation
C217
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
On-demand four-wheel drive (4WD) with automatic engagement
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
9-speed automatic transmission

Engine

BMW i8 Coupé
Mercedes S 450 Coupé
3-cylinder plug-in hybrid gasoline engine with tur­bo­charger
Engine Type
V6 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW B38
Engine Series
Mercedes-Benz M 276
B38-K15
Engine Code
M 276.824
4
Valves
4
3
Cylinders
6
1.5 L / 73 cu in
Displacement
3 L / 147 cu in
357 hp
at 5800 rpm
Power
362 hp
at 5250 rpm
BMW i8 Coupé
357 hp
362 hp
Mercedes S 450 Coupé
420 lb‑ft
at 3700 rpm
Max. Torque
369 lb‑ft
at 1800 rpm
BMW i8 Coupé
420 lb‑ft
369 lb‑ft
Mercedes S 450 Coupé

Performance

BMW i8 Coupé
Mercedes S 450 Coupé
155 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph 62
mph

200 ft
0.000 sec

BMW i8 Coupé

62 mph 62
mph

249 ft
0.000 sec

Mercedes S 450 Coupé

▶ REPLAY
9.63 lb/hp
Weight-to-Power Ratio
12.51 lb/hp
BMW i8 Coupé
9.63 lb/hp
12.51 lb/hp
Mercedes S 450 Coupé

Fuel Economy / Emissions

BMW i8 Coupé
Mercedes S 450 Coupé
Fuel Economy
112 mpg
combined
25 mpg
BMW i8 Coupé
112 mpg
25 mpg
Mercedes S 450 Coupé
No data
city
18 mpg
No data
highway
32 mpg
Kraftstoffanzeige
7.9 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
888 mi
Range
523 mi
BMW i8 Coupé
888 mi
523 mi
Mercedes S 450 Coupé
Environmental Impact
39.8 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).
179.9 kWh
BMW i8 Coupé
39.8 kWh
179.9 kWh
Mercedes S 450 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP
79 g/mi (NEFZ)
CO2 Emissions
372 g/mi (WLTP)

Practical Convenience

BMW i8 Coupé
Mercedes S 450 Coupé
3
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
1102 lb
4.4 cu ft
Trunk Volume
11.3 cu ft
No data
Cargo Volume (Seats Down)
No data