The Comparative Analysis :
BMW 420d Gran Coupé xDrive Steptronic (14 - 15) vs. BMW 318d Gran Turismo (13 - 15)
€ 44,200
€ 36,300
€ 44,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 420d Gran Coupé is considerably smaller in every dimension. It's 7.3 inches shorter, 0.1 inches narrower and 4.1 inches lower than the 318d Gran Turismo.
420d Gran Coupé
318d Gran Turismo
55.3
71.9
79.4
59.4
72
80.6
71.9 in
Width
72 in
79.4 in
Width Incl. Mirrors
80.6 in
55.3 in
Height
59.4 in
110.6
182.6
115
189.9
182.6 in
Length
189.9 in
110.6 in
Wheelbase
115 in
Vehicle Weight
420d Gran Coupé
318d Gran Turismo
3693 lb
Curb Weight
3560 lb
4762 lb
Gross Vehicle
Weight
Weight
4652 lb
Weight Difference:
132 lb
3.57 %
General
420d Gran Coupé
318d Gran Turismo
F36
Generation
F34
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Diesel

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

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
420d Gran Coupé
318d Gran Turismo
Straight-four diesel engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
BMW N47
Engine Series
BMW N47
N47-D20
Engine Code
N47-D20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 4000 rpm
Power
141 hp
at 4000 rpm
420d Gran Coupé
181 hp
141 hp
318d Gran Turismo
280 lb‑ft
at 1750 rpm
Max. Torque
236 lb‑ft
at 1750 rpm
420d Gran Coupé
280 lb‑ft
236 lb‑ft
318d Gran Turismo
Performance
420d Gran Coupé
318d Gran Turismo
142 mph
Maximum Speed
130 mph
7.5 sec
Acceleration 0 to 62 mph
9.7 sec
62 mph
62
mph
mph
341 ft
0.000 sec
420d Gran Coupé
62 mph
62
mph
mph
443 ft
0.000 sec
318d Gran Turismo
▶ REPLAY
20.4 lb/hp
Weight-to-Power Ratio
25.25 lb/hp
420d Gran Coupé
20.4 lb/hp
25.25 lb/hp
318d Gran Turismo
Fuel Economy / Emissions
420d Gran Coupé
318d Gran Turismo
Fuel Economy
49 mpg
combined
52 mpg
420d Gran Coupé
49 mpg
52 mpg
318d Gran Turismo
41 mpg
city
43 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
15.1 gal
738 mi
Range
787 mi
420d Gran Coupé
738 mi
787 mi
318d Gran Turismo
Environmental Impact
98.8 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).
92.5 kWh
420d Gran Coupé
98.8 kWh
92.5 kWh
318d Gran Turismo
Euro 6b (NEFZ)
Emission Standard
Euro 5
204 g/mi (NEFZ)
CO2 Emissions
192 g/mi (NEFZ)
Practical Convenience
420d Gran Coupé
318d Gran Turismo
5
Doors
5
5
No. of Seats
5
1069 lb
Maximum Payload
1091 lb
13.6 cu ft
Trunk Volume
14.7 cu ft










36.8 cu ft
Cargo Volume (Seats Down)
45.3 cu ft


















