2003 BMW 645 vs. 2005 Honda NSX
To start off, 2005 Honda NSX is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (321 HP @ 6100 RPM) has 45 more horse power than 2005 Honda NSX. (276 HP @ 7300 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2005 Honda NSX. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 450 kg more than 2005 Honda NSX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 152 more torque (in Nm) than 2005 Honda NSX. (298 Nm @ 5300 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Honda NSX. 2003 BMW 645 has automatic transmission and 2005 Honda NSX has manual transmission. 2005 Honda NSX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 645 | 2005 Honda NSX | |
| Make | BMW | Honda |
| Model | 645 | NSX |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4398 cc | 3179 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 276 HP |
| Engine RPM | 6100 RPM | 7300 RPM |
| Torque | 450 Nm | 298 Nm |
| Torque RPM | 3600 RPM | 5300 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 250 km/hour | 265 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 5.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1895 kg | 1445 kg |
| Vehicle Length | 4830 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1180 mm |
| Wheelbase Size | 2790 mm | 2750 mm |
| Fuel Consumption Overall | 11.5 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
