The Comparative Analysis :
Mazda RX-8 STD-Power (03 - 09) vs. BMW 420d Coupé Steptronic (17 - ..)
€ 29,600
€ 46,700
€ 29,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,700
ⓘ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 420d Coupé.
Mazda RX-8 STD-Power
BMW 420d 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 420d Coupé
3082 lb
Curb Weight
3560 lb
4012 lb
Gross Vehicle
Weight
Weight
4553 lb
Weight Difference:
478 lb
13.43 %
General
Mazda RX-8 STD-Power
BMW 420d Coupé
SE
Generation
F32
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
5-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Mazda RX-8 STD-Power
BMW 420d Coupé
2-cylinder rotary engine (Wankel engine) (naturally aspirated engine)
Engine Type
Straight-four diesel engine with turbocharger
Engine Series
BMW B47
Engine Code
B47-D20
0
Valves
4
2
Cylinders
4
1.3 L / 64 cu in
Displacement
2 L / 98 cu in
189 hp
at 7000 rpm
Power
187 hp
at 4000 rpm
Mazda RX-8 STD-Power
189 hp
187 hp
BMW 420d Coupé
162 lb‑ft
at 5000 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
Mazda RX-8 STD-Power
162 lb‑ft
295 lb‑ft
BMW 420d Coupé
Performance
Mazda RX-8 STD-Power
BMW 420d Coupé
139 mph
Maximum Speed
144 mph
7.2 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph
62
mph
mph
328 ft
0.000 sec
Mazda RX-8 STD-Power
62 mph
62
mph
mph
328 ft
0.000 sec
BMW 420d Coupé
▶ REPLAY
16.31 lb/hp
Weight-to-Power Ratio
19.04 lb/hp
Mazda RX-8 STD-Power
16.31 lb/hp
19.04 lb/hp
BMW 420d Coupé
Fuel Economy / Emissions
Mazda RX-8 STD-Power
BMW 420d Coupé
Fuel Economy
22 mpg
combined
52 mpg
Mazda RX-8 STD-Power
22 mpg
52 mpg
BMW 420d Coupé
16 mpg
city
45 mpg
29 mpg
highway
No data
16.1 gal
Fuel Tank Capacity
15.1 gal
357 mi
Range
787 mi
Mazda RX-8 STD-Power
357 mi
787 mi
BMW 420d 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).
92.5 kWh
Mazda RX-8 STD-Power
200.8 kWh
92.5 kWh
BMW 420d Coupé
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
430 g/mi (NEFZ)
CO2 Emissions
238 g/mi (WLTP)
Practical Convenience
Mazda RX-8 STD-Power
BMW 420d Coupé
4
Doors
2
4
No. of Seats
4
930 lb
Maximum Payload
992 lb
8.2 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data
