2009 BMW 650 vs. 1991 Chevrolet SS
To start off, 2009 BMW 650 is newer by 18 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, 2009 BMW 650 (362 HP) has 117 more horse power than 1991 Chevrolet SS. (245 HP). In normal driving conditions, 2009 BMW 650 should accelerate faster than 1991 Chevrolet SS.
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, 2009 BMW 650 (490 Nm) has 22 more torque (in Nm) than 1991 Chevrolet SS. (468 Nm). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1991 Chevrolet SS.
Compare all specifications:
| 2009 BMW 650 | 1991 Chevrolet SS | |
| Make | BMW | Chevrolet |
| Model | 650 | SS |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 5735 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 362 HP | 245 HP |
| Torque | 490 Nm | 468 Nm |
| Engine Bore Size | 93 mm | 101.6 mm |
| Engine Stroke Size | 88.3 mm | 88.4 mm |
| Engine Compression Ratio | 10.5:1 | 9.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Length | 4830 mm | 4940 mm |
| Vehicle Width | 1860 mm | 1650 mm |
| Vehicle Height | 1380 mm | 1560 mm |
| Wheelbase Size | 2790 mm | 3000 mm |
