1983 Hummer H1 vs. 1965 Tatra T603
To start off, 1983 Hummer H1 is newer by 18 year(s). Which means there will be less support and parts availability for 1965 Tatra T603. In addition, the cost of maintenance, including insurance, on 1965 Tatra T603 would be higher. At 5,733 cc (8 cylinders), 1983 Hummer H1 is equipped with a bigger engine. In terms of performance, 1983 Hummer H1 (187 HP @ 4000 RPM) has 83 more horse power than 1965 Tatra T603. (104 HP @ 4500 RPM). In normal driving conditions, 1983 Hummer H1 should accelerate faster than 1965 Tatra T603. With that said, vehicle weight also plays an important factor in acceleration. 1983 Hummer H1 weights approximately 1300 kg more than 1965 Tatra T603. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1983 Hummer H1 is four wheel drive (4WD), it will have significant more traction and grip than 1965 Tatra T603. In wet, icy, snow, or gravel driving conditions, 1983 Hummer H1 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, 1983 Hummer H1 (407 Nm @ 2400 RPM) has 236 more torque (in Nm) than 1965 Tatra T603. (171 Nm @ 3500 RPM). This means 1983 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 1965 Tatra T603.
Compare all specifications:
| 1983 Hummer H1 | 1965 Tatra T603 | |
| Make | Hummer | Tatra |
| Model | H1 | T603 |
| Year Released | 1983 | 1965 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Rear |
| Engine Size | 5733 cc | 2472 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 187 HP | 104 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 407 Nm | 171 Nm |
| Torque RPM | 2400 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 2770 kg | 1470 kg |
| Vehicle Length | 4690 mm | 5070 mm |
| Vehicle Width | 2200 mm | 1920 mm |
| Vehicle Height | 1840 mm | 1540 mm |
| Wheelbase Size | 3310 mm | 2760 mm |
