The Comparative Analysis :
BMW 420i Gran Coupé xDrive Steptronic (14 - 16) vs. Mazda 6 Sport 2.0 DISI Activematic (10 - 13)
€ 41,400

€ 27,200

€ 41,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 27,200
ⓘ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 BMW 420i Gran Coupé is 4.6 inches shorter, 1.2 inches wider and 1.4 inches lower than the Mazda 6 Sport 2.0 DISI.
BMW 420i Gran Coupé
Mazda 6 Sport 2.0 DISI
55.3
71.9
79.4
56.7
70.7
78.5
71.9 in
Width
70.7 in
79.4 in
Width Incl. Mirrors
78.5 in
55.3 in
Height
56.7 in
110.6
182.6
107.3
187.2
182.6 in
Length
187.2 in
110.6 in
Wheelbase
107.3 in
Vehicle Weight
BMW 420i Gran Coupé
Mazda 6 Sport 2.0 DISI
3660 lb
Curb Weight
3230 lb
4729 lb
Gross Vehicle
Weight
Weight
4365 lb

Weight Difference:
430 lb
11.75 %

General
BMW 420i Gran Coupé
Mazda 6 Sport 2.0 DISI
F36
Generation
GH
Hatchback
Car Body Style
Hatchback
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

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

8-speed automatic transmission
Transmission
5-speed automatic transmission
Engine
BMW 420i Gran Coupé
Mazda 6 Sport 2.0 DISI
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW N20
Engine Series
N20-B20
Engine Code

4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
153 hp
at 6200 rpm
BMW 420i Gran Coupé
181 hp
153 hp
Mazda 6 Sport 2.0 DISI
199 lb‑ft
at 1250 rpm
Max. Torque
142 lb‑ft
at 4500 rpm
BMW 420i Gran Coupé
199 lb‑ft
142 lb‑ft
Mazda 6 Sport 2.0 DISI
Performance
BMW 420i Gran Coupé
Mazda 6 Sport 2.0 DISI
144 mph
Maximum Speed
128 mph
7.9 sec
Acceleration 0 to 62 mph
11.2 sec
62 mph
62
mph
mph
361 ft
0.000 sec

BMW 420i Gran Coupé
62 mph
62
mph
mph
512 ft
0.000 sec

Mazda 6 Sport 2.0 DISI
▶ REPLAY
20.22 lb/hp
Weight-to-Power Ratio
21.11 lb/hp
BMW 420i Gran Coupé
20.22 lb/hp
21.11 lb/hp
Mazda 6 Sport 2.0 DISI
Fuel Economy / Emissions
BMW 420i Gran Coupé
Mazda 6 Sport 2.0 DISI
Fuel Economy
37 mpg
combined
31 mpg
BMW 420i Gran Coupé
37 mpg
31 mpg
Mazda 6 Sport 2.0 DISI
27 mpg
city
22 mpg
No data
highway
41 mpg
15.9 gal
Fuel Tank Capacity
16.9 gal
583 mi
Range
523 mi
BMW 420i Gran Coupé
583 mi
523 mi
Mazda 6 Sport 2.0 DISI
Environmental Impact
121.2 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).
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).
144 kWh
BMW 420i Gran Coupé
121.2 kWh
144 kWh
Mazda 6 Sport 2.0 DISI
Euro 6b (NEFZ)
Emission Standard
Euro 5
240 g/mi (NEFZ)
CO2 Emissions
283 g/mi (NEFZ)
Practical Convenience
BMW 420i Gran Coupé
Mazda 6 Sport 2.0 DISI
5
Doors
5
5
No. of Seats
5
1069 lb
Maximum Payload
1135 lb
13.6 cu ft
Trunk Volume
14.4 cu ft









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