2006 BMW Z4 vs. 1991 Chevrolet SS
To start off, 2006 BMW Z4 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Chevrolet SS. In addition, the cost of maintenance, including insurance, on 1991 Chevrolet SS would be higher. At 5,735 cc (8 cylinders), 1991 Chevrolet SS is equipped with a bigger engine. In terms of performance, 1991 Chevrolet SS (245 HP) has 60 more horse power than 2006 BMW Z4. (185 HP) In normal driving conditions, 1991 Chevrolet SS should accelerate faster than 2006 BMW Z4.
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, 1991 Chevrolet SS (468 Nm) has 231 more torque (in Nm) than 2006 BMW Z4. (237 Nm). This means 1991 Chevrolet SS will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 1991 Chevrolet SS | |
| Make | BMW | Chevrolet |
| Model | Z4 | SS |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2501 cc | 5735 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 185 HP | 245 HP |
| Torque | 237 Nm | 468 Nm |
| Engine Bore Size | 84.1 mm | 101.6 mm |
| Engine Stroke Size | 74.9 mm | 88.4 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Length | 4100 mm | 4940 mm |
| Vehicle Width | 1790 mm | 1650 mm |
| Vehicle Height | 1300 mm | 1560 mm |
| Wheelbase Size | 2500 mm | 3000 mm |
