2007 BMW X5 vs. 1981 Mazda Cosmo
To start off, 2007 BMW X5 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1981 Mazda Cosmo would be higher. At 4,398 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (283 HP @ 3600 RPM) has 190 more horse power than 1981 Mazda Cosmo. (93 HP @ 5500 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1981 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 1090 kg more than 1981 Mazda Cosmo. 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 1981 Mazda Cosmo. 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 (440 Nm @ 5400 RPM) has 291 more torque (in Nm) than 1981 Mazda Cosmo. (149 Nm @ 3300 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda Cosmo. 2007 BMW X5 has automatic transmission and 1981 Mazda Cosmo has manual transmission. 1981 Mazda Cosmo will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X5 | 1981 Mazda Cosmo | |
| Make | BMW | Mazda |
| Model | X5 | Cosmo |
| Year Released | 2007 | 1981 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1768 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 283 HP | 93 HP |
| Engine RPM | 3600 RPM | 5500 RPM |
| Torque | 440 Nm | 149 Nm |
| Torque RPM | 5400 RPM | 3300 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 82.7 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2180 kg | 1090 kg |
| Vehicle Length | 4670 mm | 4670 mm |
| Vehicle Width | 1880 mm | 1700 mm |
| Vehicle Height | 1710 mm | 1420 mm |
| Wheelbase Size | 2830 mm | 2620 mm |
