2007 BMW X5 vs. 1978 Pontiac Grand Safari
To start off, 2007 BMW X5 is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Pontiac Grand Safari. In addition, the cost of maintenance, including insurance, on 1978 Pontiac Grand Safari would be higher. At 4,942 cc (8 cylinders), 1978 Pontiac Grand Safari is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (355 HP @ 6200 RPM) has 217 more horse power than 1978 Pontiac Grand Safari. (138 HP @ 3600 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1978 Pontiac Grand Safari. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 328 kg more than 1978 Pontiac Grand Safari. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Pontiac Grand Safari. In wet, icy, snow, or gravel driving conditions, 2007 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. Let's talk about torque, 2007 BMW X5 (490 Nm @ 3600 RPM) has 171 more torque (in Nm) than 1978 Pontiac Grand Safari. (319 Nm @ 2000 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Pontiac Grand Safari.
Compare all specifications:
| 2007 BMW X5 | 1978 Pontiac Grand Safari | |
| Make | BMW | Pontiac |
| Model | X5 | Grand Safari |
| Year Released | 2007 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 4798 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 355 HP | 138 HP |
| Engine RPM | 6200 RPM | 3600 RPM |
| Torque | 490 Nm | 319 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2200 kg | 1872 kg |
| Vehicle Length | 4670 mm | 5450 mm |
| Vehicle Width | 1880 mm | 2020 mm |
| Vehicle Height | 1710 mm | 1460 mm |
| Wheelbase Size | 2830 mm | 2950 mm |
