1998 Daihatsu Sirion vs. 1979 Triumph TR7
To start off, 1998 Daihatsu Sirion is newer by 19 year(s). Which means there will be less support and parts availability for 1979 Triumph TR7. In addition, the cost of maintenance, including insurance, on 1979 Triumph TR7 would be higher. At 1,998 cc (4 cylinders), 1979 Triumph TR7 is equipped with a bigger engine. In terms of performance, 1979 Triumph TR7 (104 HP @ 5500 RPM) has 4 more horse power than 1998 Daihatsu Sirion. (100 HP @ 7000 RPM) In normal driving conditions, 1979 Triumph TR7 should accelerate faster than 1998 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1979 Triumph TR7 weights approximately 145 kg more than 1998 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1979 Triumph TR7. In wet, icy, snow, or gravel driving conditions, 1998 Daihatsu Sirion 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, 1979 Triumph TR7 (161 Nm @ 3500 RPM) has 41 more torque (in Nm) than 1998 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 1979 Triumph TR7 will have an easier job in driving up hills or pulling heavy equipment than 1998 Daihatsu Sirion.
Compare all specifications:
| 1998 Daihatsu Sirion | 1979 Triumph TR7 | |
| Make | Daihatsu | Triumph |
| Model | Sirion | TR7 |
| Year Released | 1998 | 1979 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 104 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 120 Nm | 161 Nm |
| Torque RPM | 4400 RPM | 3500 RPM |
| Engine Bore Size | 72 mm | 90.3 mm |
| Engine Stroke Size | 79.7 mm | 78 mm |
| Engine Compression Ratio | 11.0:1 | 9.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 900 kg | 1045 kg |
| Vehicle Length | 3680 mm | 4070 mm |
| Vehicle Width | 1600 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1270 mm |
| Wheelbase Size | 2350 mm | 2170 mm |
| Fuel Tank Capacity | 37 L | 55 L |
