2007 Daihatsu Sirion vs. 1975 Tatra T603
To start off, 2007 Daihatsu Sirion is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Tatra T603. In addition, the cost of maintenance, including insurance, on 1975 Tatra T603 would be higher. At 2,472 cc (8 cylinders), 1975 Tatra T603 is equipped with a bigger engine. In terms of performance, 1975 Tatra T603 (104 HP @ 4500 RPM) has 18 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 1975 Tatra T603 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1975 Tatra T603 weights approximately 545 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Tatra T603 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 1975 Tatra T603. 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, 1975 Tatra T603 (170 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1975 Tatra T603 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 2007 Daihatsu Sirion | 1975 Tatra T603 | |
| Make | Daihatsu | Tatra |
| Model | Sirion | T603 |
| Year Released | 2007 | 1975 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Rear |
| Engine Size | 1298 cc | 2472 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 86 HP | 104 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 120 Nm | 170 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 925 kg | 1470 kg |
| Vehicle Length | 3610 mm | 5070 mm |
| Vehicle Width | 1670 mm | 1920 mm |
| Vehicle Height | 1560 mm | 1540 mm |
| Wheelbase Size | 2440 mm | 2760 mm |
