2006 BMW X5 vs. 1971 Saab 99
To start off, 2006 BMW X5 is newer by 35 year(s). Which means there will be less support and parts availability for 1971 Saab 99. In addition, the cost of maintenance, including insurance, on 1971 Saab 99 would be higher. At 4,799 cc (8 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (355 HP @ 6200 RPM) has 270 more horse power than 1971 Saab 99. (85 HP @ 5000 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 1971 Saab 99. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 1082 kg more than 1971 Saab 99. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Saab 99. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 BMW X5 (490 Nm @ 3600 RPM) has 343 more torque (in Nm) than 1971 Saab 99. (147 Nm @ 3000 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1971 Saab 99.
Compare all specifications:
| 2006 BMW X5 | 1971 Saab 99 | |
| Make | BMW | Saab |
| Model | X5 | 99 |
| Year Released | 2006 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1853 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 355 HP | 85 HP |
| Engine RPM | 6200 RPM | 5000 RPM |
| Torque | 490 Nm | 147 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 87 mm |
| Engine Stroke Size | 88.3 mm | 78 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2202 kg | 1120 kg |
| Vehicle Length | 4670 mm | 4430 mm |
| Vehicle Width | 1880 mm | 1700 mm |
| Vehicle Height | 1710 mm | 1450 mm |
| Wheelbase Size | 2830 mm | 2480 mm |
| Fuel Tank Capacity | 93 L | 60 L |
