1958 BMW 503 vs. 2007 Ascari KZ1
To start off, 2007 Ascari KZ1 is newer by 49 year(s). Which means there will be less support and parts availability for 1958 BMW 503. In addition, the cost of maintenance, including insurance, on 1958 BMW 503 would be higher. At 4,941 cc (8 cylinders), 2007 Ascari KZ1 is equipped with a bigger engine. In terms of performance, 2007 Ascari KZ1 (500 HP @ 7000 RPM) has 362 more horse power than 1958 BMW 503. (138 HP @ 4800 RPM) In normal driving conditions, 2007 Ascari KZ1 should accelerate faster than 1958 BMW 503. With that said, vehicle weight also plays an important factor in acceleration. 1958 BMW 503 weights approximately 150 kg more than 2007 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, 2007 Ascari KZ1 (550 Nm @ 4500 RPM) has 328 more torque (in Nm) than 1958 BMW 503. (222 Nm @ 2500 RPM). This means 2007 Ascari KZ1 will have an easier job in driving up hills or pulling heavy equipment than 1958 BMW 503.
Compare all specifications:
| 1958 BMW 503 | 2007 Ascari KZ1 | |
| Make | BMW | Ascari |
| Model | 503 | KZ1 |
| Year Released | 1958 | 2007 |
| Engine Position | Front | Middle |
| Engine Size | 3168 cc | 4941 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 138 HP | 500 HP |
| Engine RPM | 4800 RPM | 7000 RPM |
| Torque | 222 Nm | 550 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Bore Size | 82 mm | 94 mm |
| Engine Stroke Size | 75 mm | 89 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1500 kg | 1350 kg |
| Vehicle Length | 4760 mm | 4300 mm |
| Vehicle Width | 1710 mm | 1852 mm |
| Vehicle Height | 1400 mm | 1138 mm |
| Wheelbase Size | 2840 mm | 2636 mm |
