2005 BMW Z4 vs. 1991 Caterham Super 7
To start off, 2005 BMW Z4 is newer by 14 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 1,995 cc (4 cylinders), 2005 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (141 HP @ 6200 RPM) has 21 more horse power than 1991 Caterham Super 7. (120 HP @ 6200 RPM). In normal driving conditions, 2005 BMW Z4 should accelerate faster than 1991 Caterham Super 7. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW Z4 weights approximately 815 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2005 BMW Z4 (200 Nm @ 3600 RPM) has 57 more torque (in Nm) than 1991 Caterham Super 7. (143 Nm @ 5500 RPM). This means 2005 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Caterham Super 7.
Compare all specifications:
| 2005 BMW Z4 | 1991 Caterham Super 7 | |
| Make | BMW | Caterham |
| Model | Z4 | Super 7 |
| Year Released | 2005 | 1991 |
| Body Type | Convertible | Roadster |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1599 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 120 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 200 Nm | 143 Nm |
| Torque RPM | 3600 RPM | 5500 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 90 mm | 77.6 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Top Speed | 220 km/hour | 180 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1325 kg | 510 kg |
| Vehicle Length | 4100 mm | 3380 mm |
| Vehicle Width | 1790 mm | 1670 mm |
| Vehicle Height | 1310 mm | 1110 mm |
| Wheelbase Size | 2500 mm | 2240 mm |
| Fuel Tank Capacity | 55 L | 36 L |
