2006 BMW 525 vs. 1991 Caterham Super 7
To start off, 2006 BMW 525 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 2,497 cc (6 cylinders), 2006 BMW 525 is equipped with a bigger engine. In terms of performance, 2006 BMW 525 (215 HP @ 6500 RPM) has 131 more horse power than 1991 Caterham Super 7. (84 HP @ 5500 RPM). In normal driving conditions, 2006 BMW 525 should accelerate faster than 1991 Caterham Super 7.
Because 2006 BMW 525 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 525 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 525 (250 Nm @ 2750 RPM) has 126 more torque (in Nm) than 1991 Caterham Super 7. (124 Nm @ 4000 RPM). This means 2006 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1991 Caterham Super 7.
Compare all specifications:
| 2006 BMW 525 | 1991 Caterham Super 7 | |
| Make | BMW | Caterham |
| Model | 525 | Super 7 |
| Year Released | 2006 | 1991 |
| Body Type | Station Wagon | Roadster |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1599 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 84 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 250 Nm | 124 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 78.9 mm | 81 mm |
| Engine Stroke Size | 82 mm | 77.6 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4850 mm | 3380 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1500 mm | 1110 mm |
| Wheelbase Size | 2840 mm | 2240 mm |
| Fuel Tank Capacity | 70 L | 36 L |
