2006 BMW X5 vs. 1978 Reliant Kitten
To start off, 2006 BMW X5 is newer by 28 year(s). Which means there will be less support and parts availability for 1978 Reliant Kitten. In addition, the cost of maintenance, including insurance, on 1978 Reliant Kitten would be higher. At 2,981 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (225 HP @ 5900 RPM) has 185 more horse power than 1978 Reliant Kitten. (40 HP @ 5500 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 1978 Reliant Kitten. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 1300 kg more than 1978 Reliant Kitten. 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 1978 Reliant Kitten. 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 (290 Nm @ 3500 RPM) has 227 more torque (in Nm) than 1978 Reliant Kitten. (63 Nm @ 3500 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Reliant Kitten.
Compare all specifications:
| 2006 BMW X5 | 1978 Reliant Kitten | |
| Make | BMW | Reliant |
| Model | X5 | Kitten |
| Year Released | 2006 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 846 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 225 HP | 40 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 290 Nm | 63 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 62.5 mm |
| Engine Stroke Size | 89.6 mm | 69.1 mm |
| Engine Compression Ratio | 10.2:1 | 9.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1835 kg | 535 kg |
| Vehicle Length | 4670 mm | 3330 mm |
| Vehicle Width | 1880 mm | 1430 mm |
| Vehicle Height | 1770 mm | 1400 mm |
| Wheelbase Size | 2830 mm | 2150 mm |
| Fuel Tank Capacity | 92 L | 27 L |
