The Comparative Analysis :

BMW 420d Coupé Steptronic (15 - 17) vs. BMW 318i Coupé (10 - 13)

€ 43,000
BMW 420d Coupé Steptronic (15 - 17) 420d Coupé
€ 31,700
BMW 318i Coupé (10 - 13) 318i Coupé
€ 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
Blueprint BMW 420d Coupé Steptronic (15 - 17)
71.9
79.4
54.9
Blueprint BMW 318i Coupé (10 - 13)
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
Blueprint BMW 420d Coupé Steptronic (15 - 17)
110.6
182.6
Blueprint BMW 318i Coupé (10 - 13)
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
3990 lb
BMW 420d Coupé Steptronic (15 - 17)
Weight Difference:
309 lb
8.9 %
BMW 318i Coupé (10 - 13)

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

325 ft
0.000 sec

420d Coupé

62 mph 62
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
Kraftstoffanzeige
15.1 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
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).
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