The Comparative Analysis :
BMW 318i Coupé (10 - 13) vs. BMW 420i Coupé xDrive (16 - 17)
€ 31,700
€ 40,100
€ 31,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 40,100
ⓘ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 318i Coupé is an inch shorter, 1.7 inches narrower and 0.1 inches taller than the 420i Coupé.
318i Coupé
420i Coupé
54.9
70.2
78.1
54.8
71.9
79.4
70.2 in
Width
71.9 in
78.1 in
Width Incl. Mirrors
79.4 in
54.9 in
Height
54.8 in
108.7
181.6
110.6
182.6
181.6 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in
Vehicle Weight
318i Coupé
420i Coupé
3164 lb
Curb Weight
3605 lb
3990 lb
Gross Vehicle
Weight
Weight
4586 lb
Weight Difference:
441 lb
12.23 %
General
318i Coupé
420i Coupé
E92
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
318i Coupé
420i Coupé
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
BMW N43
Engine Series
BMW B48
N43-B20
Engine Code
B48-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
141 hp
at 6000 rpm
Power
181 hp
at 5000 rpm
318i Coupé
141 hp
181 hp
420i Coupé
140 lb‑ft
at 4250 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
318i Coupé
140 lb‑ft
199 lb‑ft
420i Coupé
Performance
318i Coupé
420i Coupé
130 mph
Maximum Speed
145 mph
9.1 sec
Acceleration 0 to 62 mph
7.6 sec
62 mph
62
mph
mph
413 ft
0.000 sec
318i Coupé
62 mph
62
mph
mph
348 ft
0.000 sec
420i Coupé
▶ REPLAY
22.44 lb/hp
Weight-to-Power Ratio
19.92 lb/hp
318i Coupé
22.44 lb/hp
19.92 lb/hp
420i Coupé
Fuel Economy / Emissions
318i Coupé
420i Coupé
Fuel Economy
37 mpg
combined
36 mpg
318i Coupé
37 mpg
36 mpg
420i Coupé
29 mpg
city
27 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
621 mi
Range
565 mi
318i Coupé
621 mi
565 mi
420i Coupé
Environmental Impact
119.4 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).
125 kWh
318i Coupé
119.4 kWh
125 kWh
420i Coupé
Euro 5
Emission Standard
Euro 6b (NEFZ)
235 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)
Practical Convenience
318i Coupé
420i Coupé
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
981 lb
12.5 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data
