The Comparative Analysis :

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

€ 45,900
BMW 420i Coupé xDrive Steptronic (17 - ..) 420i Coupé
€ 31,700
 BMW 318i Coupé (10 - 13) 318i Coupé
€ 45,900
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 2.6 cm longer, 4.3 cm wider and 0.3 cm lower than the 318i Coupé.
420i Coupé
318i Coupé
1392
Blueprint BMW 420i Coupé xDrive Steptronic (17 - ..)
1825
2017
1395
Blueprint BMW 318i Coupé (10 - 13)
1782
1985
1825 mm
Width
1782 mm
2017 mm
Width Incl. Mirrors
1985 mm
1392 mm
Height
1395 mm
Blueprint BMW 420i Coupé xDrive Steptronic (17 - ..)
2810
4638
Blueprint BMW 318i Coupé (10 - 13)
2760
4612
4638 mm
Length
4612 mm
2810 mm
Wheelbase
2760 mm

Vehicle Weight

420i Coupé
318i Coupé
1645 kg
Kerb Weight
1435 kg
2090 kg
Gross Vehicle
Weight
1810 kg
BMW 420i Coupé xDrive Steptronic (17 - ..)
Weight Difference:
210 kg
12.77 %
BMW 318i Coupé (10 - 13)

General

420i Coupé
318i Coupé
F32
Generation
E92
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

420i Coupé
318i Coupé
Straight-four petrol engine with tur­bo­charger
Engine Type
Straight-four petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW B48
Engine Series
BMW N43
B48-B20
Engine Code
N43-B20
4
Valves
4
4
Cylinders
4
1998 CC
Engine Capacity
1995 CC
181 bhp
at 5000 rpm
Power
141 bhp
at 6000 rpm
420i Coupé
181 bhp
141 bhp
318i Coupé
270 NM
at 1350 rpm
Max. Torque
190 NM
at 4250 rpm
420i Coupé
270 NM
190 NM
318i Coupé

Performance

420i Coupé
318i Coupé
144 mph
Maximum Speed
130 mph
7.8 sec
Acceleration 0 to 62 mph
9.1 sec
62 mph 62
mph

108 m
0.000 sec

420i Coupé

62 mph 62
mph

126 m
0.000 sec

318i Coupé

▶ REPLAY
9.09 kg/bhp
Weight-to-Power Ratio
10.18 kg/bhp
420i Coupé
9.09 kg/bhp
10.18 kg/bhp
318i Coupé

Fuel Economy / Emissions

420i Coupé
318i Coupé
Fuel Economy
43 mpg
combined
45 mpg
420i Coupé
43 mpg
45 mpg
318i Coupé
37 mpg
city
35 mpg
No data
motorway
No data
Kraftstoffanzeige
60 L
Fuel Tank Capacity
63 L
Kraftstoffanzeige
574 mi
Range
621 mi
420i Coupé
574 mi
621 mi
318i Coupé
Environmental Impact
123.1 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
420i Coupé
123.1 kWh
119.4 kWh
318i Coupé
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
177 g/km (WLTP)
CO2 Emissions
146 g/km (NEFZ)

Practical Convenience

420i Coupé
318i Coupé
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
375 kg
445 L
Boot Capacity
440 L
No data
Boot Capacity (Seats Down)
No data