The Comparative Analysis :
Mazda RX-8 STD-Power (03 - 09) vs. BMW 420i Coupé (17 - ..)
€ 29,600
€ 41,300
€ 29,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 41,300
ⓘ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 1.5 inches lower than the BMW 420i Coupé.
Mazda RX-8 STD-Power
BMW 420i Coupé
52.8
69.7
77.6
54.2
71.9
79.4
69.7 in
Width
71.9 in
77.6 in
Width Incl. Mirrors
79.4 in
52.8 in
Height
54.2 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 420i Coupé
3082 lb
Curb Weight
3417 lb
4012 lb
Gross Vehicle
Weight
Weight
4398 lb
Weight Difference:
335 lb
9.8 %
General
Mazda RX-8 STD-Power
BMW 420i 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
6-speed manual transmission
Engine
Mazda RX-8 STD-Power
BMW 420i Coupé
2-cylinder rotary engine (Wankel engine) (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
Engine Series
BMW B48
Engine Code
B48-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
181 hp
at 5000 rpm
Mazda RX-8 STD-Power
189 hp
181 hp
BMW 420i Coupé
162 lb‑ft
at 5000 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
Mazda RX-8 STD-Power
162 lb‑ft
199 lb‑ft
BMW 420i Coupé
Performance
Mazda RX-8 STD-Power
BMW 420i Coupé
139 mph
Maximum Speed
147 mph
7.2 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
328 ft
0.000 sec
Mazda RX-8 STD-Power
62 mph
62
mph
mph
331 ft
0.000 sec
BMW 420i Coupé
▶ REPLAY
16.31 lb/hp
Weight-to-Power Ratio
18.88 lb/hp
Mazda RX-8 STD-Power
16.31 lb/hp
18.88 lb/hp
BMW 420i Coupé
Fuel Economy / Emissions
Mazda RX-8 STD-Power
BMW 420i Coupé
Fuel Economy
22 mpg
combined
37 mpg
Mazda RX-8 STD-Power
22 mpg
37 mpg
BMW 420i Coupé
16 mpg
city
29 mpg
29 mpg
highway
No data
16.1 gal
Fuel Tank Capacity
15.9 gal
357 mi
Range
583 mi
Mazda RX-8 STD-Power
357 mi
583 mi
BMW 420i 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).
121.2 kWh
Mazda RX-8 STD-Power
200.8 kWh
121.2 kWh
BMW 420i Coupé
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
430 g/mi (NEFZ)
CO2 Emissions
269 g/mi (WLTP)
Practical Convenience
Mazda RX-8 STD-Power
BMW 420i 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
