The Comparative Analysis :
BMW 420i Coupé xDrive (13 - 16) vs. BMW 318i Coupé (10 - 13)
€ 39,300

€ 31,700

€ 39,300
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 420i Coupé is an inch longer, 1.7 inches wider and 0.1 inches lower than the 318i Coupé.
420i Coupé
318i Coupé
54.8
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
54.8 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
420i Coupé
318i Coupé
3516 lb
Curb Weight
3164 lb
4497 lb
Gross Vehicle
Weight
Weight
3990 lb

Weight Difference:
353 lb
10.04 %

General
420i Coupé
318i Coupé
F32
Generation
E92
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

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

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
420i Coupé
318i Coupé
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW N20
Engine Series
BMW N43
N20-B20
Engine Code
N43-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
141 hp
at 6000 rpm
420i Coupé
181 hp
141 hp
318i Coupé
199 lb‑ft
at 1250 rpm
Max. Torque
140 lb‑ft
at 4250 rpm
420i Coupé
199 lb‑ft
140 lb‑ft
318i Coupé
Performance
420i Coupé
318i Coupé
145 mph
Maximum Speed
130 mph
7.4 sec
Acceleration 0 to 62 mph
9.1 sec
62 mph
62
mph
mph
338 ft
0.000 sec

420i Coupé
62 mph
62
mph
mph
413 ft
0.000 sec

318i Coupé
▶ REPLAY
19.43 lb/hp
Weight-to-Power Ratio
22.44 lb/hp
420i Coupé
19.43 lb/hp
22.44 lb/hp
318i Coupé
Fuel Economy / Emissions
420i Coupé
318i Coupé
Fuel Economy
35 mpg
combined
37 mpg
420i Coupé
35 mpg
37 mpg
318i Coupé
26 mpg
city
29 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
548 mi
Range
621 mi
420i Coupé
548 mi
621 mi
318i Coupé
Environmental Impact
128.7 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).
119.4 kWh
420i Coupé
128.7 kWh
119.4 kWh
318i Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
256 g/mi (NEFZ)
CO2 Emissions
235 g/mi (NEFZ)
Practical Convenience
420i 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