2005 BMW X5 vs. 1977 Pontiac Sunbird
To start off, 2005 BMW X5 is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Pontiac Sunbird. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Sunbird would be higher. At 3,789 cc (6 cylinders), 1977 Pontiac Sunbird is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 905 kg more than 1977 Pontiac Sunbird.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Pontiac Sunbird. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 will offer significantly more control. 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.
Compare all specifications:
| 2005 BMW X5 | 1977 Pontiac Sunbird | |
| Make | BMW | Pontiac |
| Model | X5 | Sunbird |
| Year Released | 2005 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 3789 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 0 HP |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2170 kg | 1265 kg |
| Vehicle Length | 4670 mm | 4560 mm |
| Vehicle Width | 1880 mm | 1670 mm |
| Vehicle Height | 1720 mm | 1270 mm |
| Wheelbase Size | 2830 mm | 2470 mm |
