The Comparative Analysis :
BMW 420i Coupé Steptronic (13 - 16) vs. BMW 320d Coupé Automatic (08 - 10)
€ 38,900
€ 39,000
€ 38,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The 420i Coupé is 2.3 inches longer, 1.7 inches wider and 0.7 inches lower than the 320d Coupé.
420i Coupé
320d 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
180.3
182.6 in
Length
180.3 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
420i Coupé
320d Coupé
3362 lb
Curb Weight
3351 lb
4343 lb
Gross Vehicle
Weight
Weight
4244 lb
Weight Difference:
11 lb
0.33 %
General
420i Coupé
320d Coupé
F32
Generation
E92
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
420i Coupé
320d Coupé
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
BMW N20
Engine Series
BMW N47
N20-B20
Engine Code
N47-D20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
175 hp
at 4000 rpm
420i Coupé
181 hp
175 hp
320d Coupé
199 lb‑ft
at 1250 rpm
Max. Torque
258 lb‑ft
at 2000 rpm
420i Coupé
199 lb‑ft
258 lb‑ft
320d Coupé
Performance
420i Coupé
320d Coupé
147 mph
Maximum Speed
143 mph
7.5 sec
Acceleration 0 to 62 mph
8 sec
62 mph
62
mph
mph
341 ft
0.000 sec
420i Coupé
62 mph
62
mph
mph
364 ft
0.000 sec
320d Coupé
▶ REPLAY
18.57 lb/hp
Weight-to-Power Ratio
19.15 lb/hp
420i Coupé
18.57 lb/hp
19.15 lb/hp
320d Coupé
Fuel Economy / Emissions
420i Coupé
320d Coupé
Fuel Economy
39 mpg
combined
41 mpg
420i Coupé
39 mpg
41 mpg
320d Coupé
29 mpg
city
32 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.1 gal
621 mi
Range
665 mi
420i Coupé
621 mi
665 mi
320d Coupé
Environmental Impact
113.6 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).
117.3 kWh
420i Coupé
113.6 kWh
117.3 kWh
320d Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
224 g/mi (NEFZ)
CO2 Emissions
240 g/mi (NEFZ)
Practical Convenience
420i Coupé
320d Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
893 lb
12.6 cu ft
Trunk Volume
12.5 cu ft
No data
Cargo Volume (Seats Down)
No data
