2006 BMW 730 vs. 2003 Mazda RX-8
To start off, 2006 BMW 730 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Mazda RX-8. In addition, the cost of maintenance, including insurance, on 2003 Mazda RX-8 would be higher. At 2,991 cc (6 cylinders), 2006 BMW 730 is equipped with a bigger engine. In terms of performance, both vehicles can yield 228 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 730 weights approximately 550 kg more than 2003 Mazda RX-8.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 BMW 730 (520 Nm @ 2000 RPM) has 309 more torque (in Nm) than 2003 Mazda RX-8. (211 Nm @ 5500 RPM). This means 2006 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda RX-8.
Compare all specifications:
| 2006 BMW 730 | 2003 Mazda RX-8 | |
| Make | BMW | Mazda |
| Model | 730 | RX-8 |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2991 cc | 1308 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 228 HP | 228 HP |
| Engine RPM | 4000 RPM | 8200 RPM |
| Torque | 520 Nm | 211 Nm |
| Torque RPM | 2000 RPM | 5500 RPM |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 238 km/hour | 235 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 6.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1975 kg | 1425 kg |
| Vehicle Length | 5050 mm | 4440 mm |
| Vehicle Width | 1910 mm | 1780 mm |
| Vehicle Height | 1500 mm | 1350 mm |
| Wheelbase Size | 3000 mm | 2710 mm |
| Fuel Consumption Overall | 8.2 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 88 L | 61 L |
