The Comparative Analysis :
Mazda RX-8 STD-Power (03 - 09) vs. BMW 428i Coupé Steptronic (13 - 16)
€ 29,600
€ 43,600
€ 29,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mazda RX-8 STD-Power is considerably smaller in every dimension. It's 8.2 inches shorter, 2.2 inches narrower and 0.9 inches lower than the BMW 428i Coupé.
Mazda RX-8 STD-Power
BMW 428i Coupé
52.8
69.7
77.6
53.6
71.9
79.4
69.7 in
Width
71.9 in
77.6 in
Width Incl. Mirrors
79.4 in
52.8 in
Height
53.6 in
106.3
174.4
110.6
182.6
174.4 in
Length
182.6 in
106.3 in
Wheelbase
110.6 in
Vehicle Weight
Mazda RX-8 STD-Power
BMW 428i Coupé
3082 lb
Curb Weight
3406 lb
4012 lb
Gross Vehicle
Weight
Weight
4387 lb
Weight Difference:
324 lb
9.51 %
General
Mazda RX-8 STD-Power
BMW 428i Coupé
SE
Generation
F32
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

5-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Mazda RX-8 STD-Power
BMW 428i Coupé
2-cylinder rotary engine (Wankel engine) (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
Engine Series
BMW N20
Engine Code
N20-B20

0
Valves
4
2
Cylinders
4
1.3 L / 64 cu in
Displacement
2 L / 98 cu in
189 hp
at 7000 rpm
Power
242 hp
at 5000 rpm
Mazda RX-8 STD-Power
189 hp
242 hp
BMW 428i Coupé
162 lb‑ft
at 5000 rpm
Max. Torque
258 lb‑ft
at 1250 rpm
Mazda RX-8 STD-Power
162 lb‑ft
258 lb‑ft
BMW 428i Coupé
Performance
Mazda RX-8 STD-Power
BMW 428i Coupé
139 mph
Maximum Speed
155 mph
7.2 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph
62
mph
mph
328 ft
0.000 sec
Mazda RX-8 STD-Power
62 mph
62
mph
mph
266 ft
0.000 sec
BMW 428i Coupé
▶ REPLAY
16.31 lb/hp
Weight-to-Power Ratio
14.07 lb/hp
Mazda RX-8 STD-Power
16.31 lb/hp
14.07 lb/hp
BMW 428i Coupé
Fuel Economy / Emissions
Mazda RX-8 STD-Power
BMW 428i Coupé
Fuel Economy
22 mpg
combined
37 mpg
Mazda RX-8 STD-Power
22 mpg
37 mpg
BMW 428i Coupé
16 mpg
city
29 mpg
29 mpg
highway
No data
16.1 gal
Fuel Tank Capacity
15.9 gal
357 mi
Range
592 mi
Mazda RX-8 STD-Power
357 mi
592 mi
BMW 428i Coupé
Environmental Impact
200.8 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).
119.4 kWh
Mazda RX-8 STD-Power
200.8 kWh
119.4 kWh
BMW 428i Coupé
Euro 4
Emission Standard
Euro 6b (NEFZ)
430 g/mi (NEFZ)
CO2 Emissions
237 g/mi (NEFZ)
Practical Convenience
Mazda RX-8 STD-Power
BMW 428i Coupé
4
Doors
2
4
No. of Seats
4
930 lb
Maximum Payload
981 lb
8.2 cu ft
Trunk Volume
12.6 cu ft







No data
Cargo Volume (Seats Down)
No data















