The Comparative Analysis :
BMW 420i Coupé xDrive (17 - 18) vs. Mazda RX-8 STD-Power (03 - 09)
€ 42,900
€ 29,600
€ 42,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 29,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 420i Coupé is considerably bigger in every dimension. It's 8.2 inches longer, 2.2 inches wider and 2 inches taller than the Mazda RX-8 STD-Power.
BMW 420i Coupé
Mazda RX-8 STD-Power
54.8
71.9
79.4
52.8
69.7
77.6
71.9 in
Width
69.7 in
79.4 in
Width Incl. Mirrors
77.6 in
54.8 in
Height
52.8 in
110.6
182.6
106.3
174.4
182.6 in
Length
174.4 in
110.6 in
Wheelbase
106.3 in
Vehicle Weight
BMW 420i Coupé
Mazda RX-8 STD-Power
3605 lb
Curb Weight
3082 lb
4586 lb
Gross Vehicle
Weight
Weight
4012 lb
Weight Difference:
522 lb
14.48 %
General
BMW 420i Coupé
Mazda RX-8 STD-Power
F32
Generation
SE
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
5-speed manual transmission
Engine
BMW 420i Coupé
Mazda RX-8 STD-Power
Straight-four gasoline engine with turbocharger
Engine Type
2-cylinder rotary engine (Wankel engine) (naturally aspirated engine)
BMW B48
Engine Series
B48-B20
Engine Code
4
Valves
0
4
Cylinders
2
2 L / 98 cu in
Displacement
1.3 L / 64 cu in
181 hp
at 5000 rpm
Power
189 hp
at 7000 rpm
BMW 420i Coupé
181 hp
189 hp
Mazda RX-8 STD-Power
199 lb‑ft
at 1350 rpm
Max. Torque
162 lb‑ft
at 5000 rpm
BMW 420i Coupé
199 lb‑ft
162 lb‑ft
Mazda RX-8 STD-Power
Performance
BMW 420i Coupé
Mazda RX-8 STD-Power
145 mph
Maximum Speed
139 mph
7.6 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph
62
mph
mph
348 ft
0.000 sec
BMW 420i Coupé
62 mph
62
mph
mph
328 ft
0.000 sec
Mazda RX-8 STD-Power
▶ REPLAY
19.92 lb/hp
Weight-to-Power Ratio
16.31 lb/hp
BMW 420i Coupé
19.92 lb/hp
16.31 lb/hp
Mazda RX-8 STD-Power
Fuel Economy / Emissions
BMW 420i Coupé
Mazda RX-8 STD-Power
Fuel Economy
36 mpg
combined
22 mpg
BMW 420i Coupé
36 mpg
22 mpg
Mazda RX-8 STD-Power
27 mpg
city
16 mpg
No data
highway
29 mpg
15.9 gal
Fuel Tank Capacity
16.1 gal
565 mi
Range
357 mi
BMW 420i Coupé
565 mi
357 mi
Mazda RX-8 STD-Power
Environmental Impact
125 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).
200.8 kWh
BMW 420i Coupé
125 kWh
200.8 kWh
Mazda RX-8 STD-Power
Euro 6b (NEFZ)
Emission Standard
Euro 4
248 g/mi (NEFZ)
CO2 Emissions
430 g/mi (NEFZ)
Practical Convenience
BMW 420i Coupé
Mazda RX-8 STD-Power
2
Doors
4
4
No. of Seats
4
981 lb
Maximum Payload
930 lb
12.6 cu ft
Trunk Volume
8.2 cu ft
No data
Cargo Volume (Seats Down)
No data
