2003 Ascari KZ1 vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Ascari KZ1. In addition, the cost of maintenance, including insurance, on 2003 Ascari KZ1 would be higher. At 4,941 cc (8 cylinders), 2003 Ascari KZ1 is equipped with a bigger engine. In terms of performance, 2003 Ascari KZ1 (500 HP @ 7000 RPM) has 172 more horse power than 2008 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 2003 Ascari KZ1 should accelerate faster than 2008 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 465 kg more than 2003 Ascari KZ1.
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 Ascari KZ1 (550 Nm @ 4500 RPM) has 100 more torque (in Nm) than 2008 BMW 645. (450 Nm @ 3600 RPM). This means 2003 Ascari KZ1 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 645. 2008 BMW 645 has automatic transmission and 2003 Ascari KZ1 has manual transmission. 2003 Ascari KZ1 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Ascari KZ1 | 2008 BMW 645 | |
| Make | Ascari | BMW |
| Model | KZ1 | 645 |
| Year Released | 2003 | 2008 |
| Body Type | Coupe | Convertible |
| Engine Position | Middle | Front |
| Engine Size | 4941 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 328 HP |
| Engine RPM | 7000 RPM | 6100 RPM |
| Torque | 550 Nm | 450 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 94 mm | 92 mm |
| Engine Stroke Size | 89 mm | 82.7 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 321 km/hour | 250 km/hour |
| Acceleration 0-100mph | 3.7 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1815 kg |
| Vehicle Length | 4300 mm | 4830 mm |
| Vehicle Width | 1852 mm | 1860 mm |
| Vehicle Height | 1138 mm | 1380 mm |
| Wheelbase Size | 2636 mm | 2790 mm |
