1991 Caterham Super 7 vs. 2007 Daihatsu Sirion
To start off, 2007 Daihatsu Sirion is newer by 16 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 1,599 cc (4 cylinders), 1991 Caterham Super 7 is equipped with a bigger engine. In terms of performance, 1991 Caterham Super 7 (110 HP @ 6000 RPM) has 9 more horse power than 2007 Daihatsu Sirion. (101 HP @ 3600 RPM). In normal driving conditions, 1991 Caterham Super 7 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Daihatsu Sirion weights approximately 430 kg more than 1991 Caterham Super 7.
Because 1991 Caterham Super 7 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Caterham Super 7. However, in wet, icy, snow, or gravel driving conditions, 2007 Daihatsu Sirion, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Daihatsu Sirion (140 Nm @ 4600 RPM) has 8 more torque (in Nm) than 1991 Caterham Super 7. (132 Nm @ 5000 RPM). This means 2007 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 1991 Caterham Super 7.
Compare all specifications:
| 1991 Caterham Super 7 | 2007 Daihatsu Sirion | |
| Make | Caterham | Daihatsu |
| Model | Super 7 | Sirion |
| Year Released | 1991 | 2007 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1599 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 101 HP |
| Engine RPM | 6000 RPM | 3600 RPM |
| Torque | 132 Nm | 140 Nm |
| Torque RPM | 5000 RPM | 4600 RPM |
| Engine Bore Size | 81 mm | 72 mm |
| Engine Stroke Size | 77.6 mm | 79.7 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 510 kg | 940 kg |
| Vehicle Length | 3380 mm | 3610 mm |
| Vehicle Width | 1670 mm | 1560 mm |
| Vehicle Height | 1110 mm | 1670 mm |
| Wheelbase Size | 2240 mm | 2440 mm |
| Fuel Tank Capacity | 36 L | 40 L |
