1986 Ford Sierra vs. 1966 Tatra T603
To start off, 1986 Ford Sierra is newer by 20 year(s). Which means there will be less support and parts availability for 1966 Tatra T603. In addition, the cost of maintenance, including insurance, on 1966 Tatra T603 would be higher. At 2,792 cc (6 cylinders), 1986 Ford Sierra is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (160 HP @ 5700 RPM) has 56 more horse power than 1966 Tatra T603. (104 HP @ 4500 RPM). In normal driving conditions, 1986 Ford Sierra should accelerate faster than 1966 Tatra T603. With that said, vehicle weight also plays an important factor in acceleration. 1966 Tatra T603 weights approximately 204 kg more than 1986 Ford Sierra.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1966 Tatra T603. In wet, icy, snow, or gravel driving conditions, 1986 Ford Sierra 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, 1986 Ford Sierra (216 Nm @ 4300 RPM) has 46 more torque (in Nm) than 1966 Tatra T603. (170 Nm @ 3500 RPM). This means 1986 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1966 Tatra T603.
Compare all specifications:
| 1986 Ford Sierra | 1966 Tatra T603 | |
| Make | Ford | Tatra |
| Model | Sierra | T603 |
| Year Released | 1986 | 1966 |
| Engine Position | Front | Rear |
| Engine Size | 2792 cc | 2472 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 160 HP | 104 HP |
| Engine RPM | 5700 RPM | 4500 RPM |
| Torque | 216 Nm | 170 Nm |
| Torque RPM | 4300 RPM | 3500 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1266 kg | 1470 kg |
| Vehicle Length | 4430 mm | 5070 mm |
| Vehicle Width | 1730 mm | 1920 mm |
| Wheelbase Size | 2610 mm | 2760 mm |
