Car comparison

BMW 3 Series Coupe (E46) · Facelift 2003 330CdvsMazda RX-8 1.3 Wankel

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

BMW 3 Series Coupe (E46) · Facelift 2003

330Cd

204 hp2993 ccDieselRWDManualTurbochargedCoupe2003-2006

Mazda RX-8

1.3 Wankel

192 hp1308 ccGasolineRWDManualNaturally aspiratedCoupe2003-2009

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

BMW 3 Series Coupe (E46) Facelift 2003 330Cd

Quickest 0-100 km/h
7.2 s
Fastest top speed
242 km/h
150 mph
Most powerful
204 hp
152 kW
Highest torque
410 Nm
302 lb-ft
Lowest combined fuel consumption
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Lowest city consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Lowest highway consumption
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
Best estimated range
955 km
593 mi
Largest trunk
410 L
Best overall score
55/100
Best performance score
54/100
Best economy score
89/100
Best practicality score
56/100

Mazda RX-8 1.3 Wankel

Lightest
1,373 kg
3,027 lb
Best power-to-weight
140 hp/t
104 kW/t
7.2 kg/hp

Specification comparison

Specification comparison
Model	BMW3 Series Coupe (E46)Facelift 2003330Cd	MazdaRX-81.3 Wankel
Power	204hp152kW	192hp143kW
Torque	410Nm302lb-ft	216Nm159lb-ft
Curb weight	1,540kg3,395lb	1,373kg3,027lb
Gross weight	2,040kg4,497lb	1,820kg4,012lb
Top speed	242 km/h 150 mph	222 km/h 138 mph
To 99% top speed	94.7s99% target: 240 km/h / 149 mph Calculated	78.0s99% target: 220 km/h / 137 mph Calculated
0-100 km/h	7.2s	7.2s
0-200 km/h	29.8s Calculated	34.9s Calculated
0-60 mph	6.8s Calculated	6.8s Calculated
Fuel consumption	6.6L/100 km35.6mpg US42.8mpg UK	10.6L/100 km22.2mpg US26.6mpg UK
Fuel consumption city	9.1L/100 km25.8mpg US31.0mpg UK	14.9L/100 km15.8mpg US19.0mpg UK
Fuel consumption highway	5.2L/100 km45.2mpg US54.3mpg UK	8.1L/100 km29mpg US34.9mpg UK
Quarter mile	15.1s Calculated	15.2s Calculated
Power-to-weight	132hp/t99kW/t60hp/1000 lb Calculated	140hp/t104kW/t63hp/1000 lb Calculated
Torque-to-weight	266Nm/t178lb-ft/ton Calculated	157Nm/t105lb-ft/ton Calculated
Estimated range	955km593mi Calculated	575km358mi Calculated
Displacement	2,993cc183cu in	1,308cc80cu in
Length	4,488mm177in	4,430mm174in
Width	1,757mm69in	1,770mm70in
Height	1,369mm54in	1,340mm53in
Wheelbase	2,725mm107in	2,700mm106in
Front track	1,471mm58in	1,500mm59in
Rear track	1,483mm58in	1,505mm59in
Ground clearance	-	140mm6in
Trunk volume	410L	290L
Doors	2	4
Seats	5	4
Fuel tank	63L	61L
CO2 emissions	-	267g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

BMW 3 Series Coupe (E46) Facelift 2003 330CdMazda RX-8 1.3 WankelPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW3 Series Coupe (E46)Facelift 2003330Cd	4,000 rpm	1,500 rpm	4,250 rpm
MazdaRX-81.3 Wankel	7,000 rpm	2,500 rpm	7,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW3 Series Coupe (E46)Facelift 2003330Cd	MazdaRX-81.3 Wankel
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.8 s	6.8 s
0-100 km/h 0-62 mph	7.2 s	7.2 s
0-200 km/h 0-124 mph	29.8 s	34.9 s
Top speed	242 km/h 150 mph	222 km/h 138 mph
	Drag race simulation
60 ft 18 m	2.5 s	2.5 s
330 ft 101 m	6.6 s	6.6 s
1/8 mile 201 m	9.9 s	9.9 s
1000 ft 305 m	12.8 s	12.8 s
1/4 mile 402 m	15.1 s	15.2 s
Trap speed 1/4 mile 402 m	152 km/h 95 mph	151 km/h 94 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
BMW3 Series Coupe (E46)Facelift 2003330Cd	204 hp 152 kW
MazdaRX-81.3 Wankel	192 hp 143 kW

BMW 3 Series Coupe (E46) Facelift 2003 330Cd has 12 hp more than Mazda RX-8 1.3 Wankel.

The biggest power difference is between Mazda RX-8 1.3 Wankel and BMW 3 Series Coupe (E46) Facelift 2003 330Cd: 12 hp (9 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
BMW3 Series Coupe (E46)Facelift 2003330Cd	410 Nm 302 lb-ft
MazdaRX-81.3 Wankel	216 Nm 159 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
BMW3 Series Coupe (E46)Facelift 2003330Cd	1,540 kg 3,395 lb
MazdaRX-81.3 Wankel	1,373 kg 3,027 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
BMW3 Series Coupe (E46)Facelift 2003330Cd	242 km/h 150 mph
MazdaRX-81.3 Wankel	222 km/h 138 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
BMW3 Series Coupe (E46)Facelift 2003330Cd	7.2 s
MazdaRX-81.3 Wankel	7.2 s

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
BMW3 Series Coupe (E46)Facelift 2003330Cd	6.6 L/100 km 35.6 mpg US 42.8 mpg UK
MazdaRX-81.3 Wankel	10.6 L/100 km 22.2 mpg US 26.6 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Coupe (E46) Facelift 2003 330Cd and Mazda RX-8 1.3 Wankel: 4.0 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
BMW3 Series Coupe (E46)Facelift 2003330Cd	132 hp/t 99 kW/t 7.5 kg/hp
MazdaRX-81.3 Wankel	140 hp/t 104 kW/t 7.2 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
Vehicle	Value
BMW3 Series Coupe (E46)Facelift 2003330Cd	955 km 593 mi
MazdaRX-81.3 Wankel	575 km 358 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW3 Series Coupe (E46)Facelift 2003330Cd	204 hp 152 kW	7.2 s	242 km/h 150 mph
MazdaRX-81.3 Wankel	192 hp 143 kW	7.2 s	222 km/h 138 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

BMW3 Series Coupe (E46)Facelift 2003330Cd

Power	204 hp 152 kW
0-100 km/h	7.2 s
Top speed 242 km/h 150 mph

Doors/seats	2 doors 5 seats
Trunk	410 L 14.5 cu ft
Length	4,488 mm 176.7 in
Height	1,369 mm 53.9 in

MazdaRX-81.3 Wankel

Power	192 hp 143 kW
0-100 km/h	7.2 s
Top speed 222 km/h 138 mph

Doors/seats	4 doors 4 seats
Trunk	290 L 10.2 cu ft
Length	4,430 mm 174.4 in
Height	1,340 mm 52.8 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

BMW3 Series Coupe (E46)Facelift 2003330Cd

Power	204 hp 152 kW
0-100 km/h	7.2 s
Top speed 242 km/h 150 mph

6.6 L/100 km

35.6 mpg US

42.8 mpg UK

MazdaRX-81.3 Wankel

Power	192 hp 143 kW
0-100 km/h	7.2 s
Top speed 222 km/h 138 mph

10.6 L/100 km

22.2 mpg US

26.6 mpg UK

BMW 3 Series Coupe (E46) Facelift 2003 330Cd is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW3 Series Coupe (E46)Facelift 2003330Cd	6.6 L/100 km 35.6 mpg US 42.8 mpg UK	7.2 s
MazdaRX-81.3 Wankel	10.6 L/100 km 22.2 mpg US 26.6 mpg UK	7.2 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BMW3 Series Coupe (E46)Facelift 2003330Cd	132 hp/t 99 kW/t 7.5 kg/hp	6.6 L/100 km 35.6 mpg US 42.8 mpg UK
MazdaRX-81.3 Wankel	140 hp/t 104 kW/t 7.2 kg/hp	10.6 L/100 km 22.2 mpg US 26.6 mpg UK

Detailed score breakdown

Vehicle

BMW3 Series Coupe (E46)Facelift 2003330Cd

MazdaRX-81.3 Wankel

Power

204 hp

152 kW

192 hp

143 kW

Torque

410 Nm

302 lb-ft

216 Nm

159 lb-ft

Acceleration

7.2 s

Top speed

242 km/h

150 mph

222 km/h

138 mph

Lightness

1,540 kg

3,395 lb

1,373 kg

3,027 lb

Fuel consumption

6.6 L/100 km

35.6 mpg US

42.8 mpg UK

10.6 L/100 km

22.2 mpg US

26.6 mpg UK

Practicality

Doors/seats	2 doors 5 seats
Trunk	410 L 14.5 cu ft
Length	4,488 mm 176.7 in
Height	1,369 mm 53.9 in

Doors/seats	4 doors 4 seats
Trunk	290 L 10.2 cu ft
Length	4,430 mm 174.4 in
Height	1,340 mm 52.8 in

Range score

955 km

593 mi

575 km

358 mi

CO2 score

267 g/km

Trunk score

410 L

14.5 cu ft

290 L

10.2 cu ft

Power-to-weight score

132 hp/t

99 kW/t

7.5 kg/hp

140 hp/t

104 kW/t

7.2 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	BMW 3 Series Coupe (E46) Facelift 2003 330Cd	Mazda RX-8 1.3 Wankel
Consumption	6.6 L/100 km35.6 mpg US42.8 mpg UK	10.6 L/100 km22.2 mpg US26.6 mpg UK
Cost / 100 km	11.55 LC100 km	18.55 LC100 km
Cost / 100 mi	18.59 LC100 mi	29.85 LC100 mi
Annual fuel used	990 L262 US gal218 UK gal	1,590 L420 US gal350 UK gal
Annual fuel cost	1,733 LC/year	2,783 LC/year