The Comparative Analysis :
BMW 318d Gran Turismo Automatic (13 - 14) vs. BMW 420i Gran Coupé Steptronic (16 - 17)
€ 38,500

€ 39,700

€ 38,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 318d Gran Turismo is considerably bigger in every dimension. It's 7.3 inches longer, 0.1 inches wider and 4.7 inches taller than the 420i Gran Coupé.
318d Gran Turismo
420i Gran Coupé
59.4
72
80.6
54.7
71.9
79.4
72 in
Width
71.9 in
80.6 in
Width Incl. Mirrors
79.4 in
59.4 in
Height
54.7 in
115
189.9
110.6
182.6
189.9 in
Length
182.6 in
115 in
Wheelbase
110.6 in
Vehicle Weight
318d Gran Turismo
420i Gran Coupé
3605 lb
Curb Weight
3560 lb
4696 lb
Gross Vehicle
Weight
Weight
4630 lb

Weight Difference:
44 lb
1.22 %

General
318d Gran Turismo
420i Gran Coupé
F34
Generation
F36
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
318d Gran Turismo
420i Gran Coupé
Straight-four diesel engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
BMW N47
Engine Series
BMW B48
N47-D20
Engine Code
B48-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
141 hp
at 4000 rpm
Power
181 hp
at 5000 rpm
318d Gran Turismo
141 hp
181 hp
420i Gran Coupé
236 lb‑ft
at 1750 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
318d Gran Turismo
236 lb‑ft
199 lb‑ft
420i Gran Coupé
Performance
318d Gran Turismo
420i Gran Coupé
130 mph
Maximum Speed
147 mph
9.6 sec
Acceleration 0 to 62 mph
7.7 sec
62 mph
62
mph
mph
436 ft
0.000 sec

318d Gran Turismo
62 mph
62
mph
mph
351 ft
0.000 sec

420i Gran Coupé
▶ REPLAY
25.57 lb/hp
Weight-to-Power Ratio
19.67 lb/hp
318d Gran Turismo
25.57 lb/hp
19.67 lb/hp
420i Gran Coupé
Fuel Economy / Emissions
318d Gran Turismo
420i Gran Coupé
Fuel Economy
49 mpg
combined
43 mpg
318d Gran Turismo
49 mpg
43 mpg
420i Gran Coupé
42 mpg
city
33 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
15.9 gal
738 mi
Range
678 mi
318d Gran Turismo
738 mi
678 mi
420i Gran Coupé
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).
104.1 kWh
318d Gran Turismo
98.8 kWh
104.1 kWh
420i Gran Coupé
Euro 5
Emission Standard
Euro 6b (NEFZ)
204 g/mi (NEFZ)
CO2 Emissions
204 g/mi (NEFZ)
Practical Convenience
318d Gran Turismo
420i Gran Coupé
5
Doors
5
5
No. of Seats
5
1091 lb
Maximum Payload
1069 lb
14.7 cu ft
Trunk Volume
13.6 cu ft










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