2006 BMW 645 vs. 1976 Holden Sunbird
To start off, 2006 BMW 645 is newer by 30 year(s). Which means there will be less support and parts availability for 1976 Holden Sunbird. In addition, the cost of maintenance, including insurance, on 1976 Holden Sunbird would be higher. At 5,044 cc (8 cylinders), 1976 Holden Sunbird is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 81 more horse power than 1976 Holden Sunbird. (247 HP @ 5000 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1976 Holden Sunbird. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 556 kg more than 1976 Holden Sunbird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 14 more torque (in Nm) than 1976 Holden Sunbird. (436 Nm @ 3400 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1976 Holden Sunbird. 1976 Holden Sunbird has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1976 Holden Sunbird will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 1976 Holden Sunbird | |
| Make | BMW | Holden |
| Model | 645 | Sunbird |
| Year Released | 2006 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5044 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 328 HP | 247 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 450 Nm | 436 Nm |
| Torque RPM | 3600 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1836 kg | 1280 kg |
| Vehicle Length | 4830 mm | 4500 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1380 mm | 1340 mm |
| Wheelbase Size | 2790 mm | 2590 mm |
