1999 Daihatsu Sirion vs. 1978 Triumph TR7
To start off, 1999 Daihatsu Sirion is newer by 21 year(s). Which means there will be less support and parts availability for 1978 Triumph TR7. In addition, the cost of maintenance, including insurance, on 1978 Triumph TR7 would be higher. At 1,998 cc (4 cylinders), 1978 Triumph TR7 is equipped with a bigger engine. In terms of performance, 1978 Triumph TR7 (106 HP @ 5500 RPM) has 53 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM) In normal driving conditions, 1978 Triumph TR7 should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1978 Triumph TR7 weights approximately 235 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Triumph TR7 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 1978 Triumph TR7. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1978 Triumph TR7 (162 Nm @ 3500 RPM) has 74 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 1978 Triumph TR7 will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 1999 Daihatsu Sirion | 1978 Triumph TR7 | |
| Make | Daihatsu | Triumph |
| Model | Sirion | TR7 |
| Year Released | 1999 | 1978 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 989 cc | 1998 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 53 HP | 106 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 88 Nm | 162 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Engine Bore Size | 71.9 mm | 90.3 mm |
| Engine Stroke Size | 81 mm | 78 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 810 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 |
