2003 BMW X3 vs. 1978 Reliant Kitten
To start off, 2003 BMW X3 is newer by 25 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 2,494 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (189 HP @ 6000 RPM) has 149 more horse power than 1978 Reliant Kitten. (40 HP @ 5500 RPM). In normal driving conditions, 2003 BMW X3 should accelerate faster than 1978 Reliant Kitten. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 1280 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 2003 BMW X3 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, 2003 BMW X3 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, 2003 BMW X3 (245 Nm @ 3500 RPM) has 182 more torque (in Nm) than 1978 Reliant Kitten. (63 Nm @ 3500 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1978 Reliant Kitten.
Compare all specifications:
| 2003 BMW X3 | 1978 Reliant Kitten | |
| Make | BMW | Reliant |
| Model | X3 | Kitten |
| Year Released | 2003 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 846 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 40 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 245 Nm | 63 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 62.5 mm |
| Engine Stroke Size | 75 mm | 69.1 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1815 kg | 535 kg |
| Vehicle Length | 4570 mm | 3330 mm |
| Vehicle Width | 1860 mm | 1430 mm |
| Vehicle Height | 1680 mm | 1400 mm |
| Wheelbase Size | 2890 mm | 2150 mm |
| Fuel Tank Capacity | 67 L | 27 L |
