2007 BMW Z4 vs. 2012 Ascari KZ1
To start off, 2012 Ascari KZ1 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 4,941 cc (8 cylinders), 2012 Ascari KZ1 is equipped with a bigger engine. In terms of performance, 2012 Ascari KZ1 (500 HP @ 7000 RPM) has 162 more horse power than 2007 BMW Z4. (338 HP @ 7900 RPM) In normal driving conditions, 2012 Ascari KZ1 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 135 kg more than 2012 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, 2012 Ascari KZ1 (550 Nm @ 4500 RPM) has 185 more torque (in Nm) than 2007 BMW Z4. (365 Nm @ 4900 RPM). This means 2012 Ascari KZ1 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2012 Ascari KZ1 | |
| Make | BMW | Ascari |
| Model | Z4 | KZ1 |
| Year Released | 2007 | 2012 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3246 cc | 4941 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 500 HP |
| Engine RPM | 7900 RPM | 7000 RPM |
| Torque | 365 Nm | 550 Nm |
| Torque RPM | 4900 RPM | 4500 RPM |
| Engine Bore Size | 87 mm | 94 mm |
| Engine Stroke Size | 91 mm | 89 mm |
| Engine Compression Ratio | 11.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 321 km/hour |
| Acceleration 0-100mph | 5 seconds | 3.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1350 kg |
| Vehicle Length | 4120 mm | 4300 mm |
| Vehicle Width | 1790 mm | 1852 mm |
| Vehicle Height | 1310 mm | 1138 mm |
| Wheelbase Size | 2500 mm | 2636 mm |
