The Comparative Analysis :
BMW 420i Coupé xDrive (13 - 16) vs. Mazda RX-8 High-Power (09 - 10)
€ 39,300

€ 38,200

€ 39,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,200
ⓘ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 6.6 inches longer, 2.2 inches wider and 2 inches taller than the Mazda RX-8 High-Power.
BMW 420i Coupé
Mazda RX-8 High-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
176
182.6 in
Length
176 in
110.6 in
Wheelbase
106.3 in
Vehicle Weight
BMW 420i Coupé
Mazda RX-8 High-Power
3516 lb
Curb Weight
3064 lb
4497 lb
Gross Vehicle
Weight
Weight
4001 lb

Weight Difference:
452 lb
12.85 %

General
BMW 420i Coupé
Mazda RX-8 High-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
6-speed manual transmission
Engine
BMW 420i Coupé
Mazda RX-8 High-Power
Straight-four gasoline engine with turbocharger
Engine Type
2-cylinder rotary engine (Wankel engine) (naturally aspirated engine)
BMW N20
Engine Series
N20-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
228 hp
at 8200 rpm
BMW 420i Coupé
181 hp
228 hp
Mazda RX-8 High-Power
199 lb‑ft
at 1250 rpm
Max. Torque
156 lb‑ft
at 5500 rpm
BMW 420i Coupé
199 lb‑ft
156 lb‑ft
Mazda RX-8 High-Power
Performance
BMW 420i Coupé
Mazda RX-8 High-Power
145 mph
Maximum Speed
145 mph
7.4 sec
Acceleration 0 to 62 mph
6.4 sec
62 mph
62
mph
mph
338 ft
0.000 sec

BMW 420i Coupé
62 mph
62
mph
mph
292 ft
0.000 sec

Mazda RX-8 High-Power
▶ REPLAY
19.43 lb/hp
Weight-to-Power Ratio
13.44 lb/hp
BMW 420i Coupé
19.43 lb/hp
13.44 lb/hp
Mazda RX-8 High-Power
Fuel Economy / Emissions
BMW 420i Coupé
Mazda RX-8 High-Power
Fuel Economy
35 mpg
combined
20 mpg
BMW 420i Coupé
35 mpg
20 mpg
Mazda RX-8 High-Power
26 mpg
city
15 mpg
No data
highway
26 mpg
15.9 gal
Fuel Tank Capacity
17.2 gal
548 mi
Range
351 mi
BMW 420i Coupé
548 mi
351 mi
Mazda RX-8 High-Power
Environmental Impact
128.7 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).
217.9 kWh
BMW 420i Coupé
128.7 kWh
217.9 kWh
Mazda RX-8 High-Power
Euro 6b (NEFZ)
Emission Standard
Euro 4
256 g/mi (NEFZ)
CO2 Emissions
481 g/mi (NEFZ)
Practical Convenience
BMW 420i Coupé
Mazda RX-8 High-Power
2
Doors
4
4
No. of Seats
4
981 lb
Maximum Payload
937 lb
12.6 cu ft
Trunk Volume
8.2 cu ft







No data
Cargo Volume (Seats Down)
No data