The Comparative Analysis :
BMW 420d Coupé Steptronic (15 - 17) vs. BMW 318i Coupé (10 - 13)
€ 43,000
€ 31,700
€ 43,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 31,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The 420d Coupé is an inch longer, 1.7 inches wider and 0.7 inches lower than the 318i Coupé.
420d Coupé
318i Coupé
54.2
71.9
79.4
54.9
70.2
78.1
71.9 in
Width
70.2 in
79.4 in
Width Incl. Mirrors
78.1 in
54.2 in
Height
54.9 in
110.6
182.6
108.7
181.6
182.6 in
Length
181.6 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
420d Coupé
318i Coupé
3472 lb
Curb Weight
3164 lb
4453 lb
Gross Vehicle
Weight
Weight
3990 lb
Weight Difference:
309 lb
8.9 %
General
420d Coupé
318i Coupé
F32
Generation
E92
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
420d Coupé
318i Coupé
Straight-four diesel engine with turbocharger
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW B47
Engine Series
BMW N43
B47-D20
Engine Code
N43-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
187 hp
at 4000 rpm
Power
141 hp
at 6000 rpm
420d Coupé
187 hp
141 hp
318i Coupé
295 lb‑ft
at 1750 rpm
Max. Torque
140 lb‑ft
at 4250 rpm
420d Coupé
295 lb‑ft
140 lb‑ft
318i Coupé
Performance
420d Coupé
318i Coupé
144 mph
Maximum Speed
130 mph
7.1 sec
Acceleration 0 to 62 mph
9.1 sec
62 mph
62
mph
mph
325 ft
0.000 sec
420d Coupé
62 mph
62
mph
mph
413 ft
0.000 sec
318i Coupé
▶ REPLAY
18.57 lb/hp
Weight-to-Power Ratio
22.44 lb/hp
420d Coupé
18.57 lb/hp
22.44 lb/hp
318i Coupé
Fuel Economy / Emissions
420d Coupé
318i Coupé
Fuel Economy
59 mpg
combined
37 mpg
420d Coupé
59 mpg
37 mpg
318i Coupé
50 mpg
city
29 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
16.6 gal
885 mi
Range
621 mi
420d Coupé
885 mi
621 mi
318i Coupé
Environmental Impact
82.2 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).
119.4 kWh
420d Coupé
82.2 kWh
119.4 kWh
318i Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
171 g/mi (NEFZ)
CO2 Emissions
235 g/mi (NEFZ)
Practical Convenience
420d Coupé
318i Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
827 lb
12.6 cu ft
Trunk Volume
12.5 cu ft








No data
Cargo Volume (Seats Down)
No data

















