2006 BMW X3 vs. 1991 Caterham Super 7
To start off, 2006 BMW X3 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Caterham Super 7. In addition, the cost of maintenance, including insurance, on 1991 Caterham Super 7 would be higher. At 2,993 cc (6 cylinders), 2006 BMW X3 is equipped with a bigger engine. In terms of performance, 2006 BMW X3 (201 HP @ 4000 RPM) has 81 more horse power than 1991 Caterham Super 7. (120 HP @ 6200 RPM). In normal driving conditions, 2006 BMW X3 should accelerate faster than 1991 Caterham Super 7. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X3 weights approximately 1415 kg more than 1991 Caterham Super 7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Caterham Super 7. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 BMW X3 (410 Nm @ 1500 RPM) has 267 more torque (in Nm) than 1991 Caterham Super 7. (143 Nm @ 5500 RPM). This means 2006 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Caterham Super 7.
Compare all specifications:
| 2006 BMW X3 | 1991 Caterham Super 7 | |
| Make | BMW | Caterham |
| Model | X3 | Super 7 |
| Year Released | 2006 | 1991 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1599 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 120 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 410 Nm | 143 Nm |
| Torque RPM | 1500 RPM | 5500 RPM |
| Engine Compression Ratio | 17.0:1 | 9.5:1 |
| Top Speed | 205 km/hour | 180 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1925 kg | 510 kg |
| Vehicle Length | 4570 mm | 3380 mm |
| Vehicle Width | 1860 mm | 1670 mm |
| Vehicle Height | 1680 mm | 1110 mm |
| Wheelbase Size | 2800 mm | 2240 mm |
| Fuel Tank Capacity | 67 L | 36 L |
