2006 Audi TT vs. 1968 Opel Diplomat
To start off, 2006 Audi TT is newer by 38 year(s). Which means there will be less support and parts availability for 1968 Opel Diplomat. In addition, the cost of maintenance, including insurance, on 1968 Opel Diplomat would be higher. At 5,354 cc (8 cylinders), 1968 Opel Diplomat is equipped with a bigger engine. In terms of performance, 1968 Opel Diplomat (227 HP @ 4700 RPM) has 2 more horse power than 2006 Audi TT. (225 HP @ 5900 RPM) In normal driving conditions, 1968 Opel Diplomat should accelerate faster than 2006 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 155 kg more than 2006 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 1968 Opel Diplomat. In wet, icy, snow, or gravel driving conditions, 2006 Audi TT 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, 1968 Opel Diplomat (427 Nm @ 3000 RPM) has 146 more torque (in Nm) than 2006 Audi TT. (281 Nm @ 2200 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi TT.
Compare all specifications:
| 2006 Audi TT | 1968 Opel Diplomat | |
| Make | Audi | Opel |
| Model | TT | Diplomat |
| Year Released | 2006 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 5354 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 225 HP | 227 HP |
| Engine RPM | 5900 RPM | 4700 RPM |
| Torque | 281 Nm | 427 Nm |
| Torque RPM | 2200 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 101.6 mm |
| Engine Stroke Size | 86.4 mm | 82.6 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1690 kg |
| Vehicle Length | 4050 mm | 4960 mm |
| Vehicle Width | 1860 mm | 1910 mm |
| Vehicle Height | 1350 mm | 1450 mm |
| Wheelbase Size | 2430 mm | 2850 mm |
| Fuel Tank Capacity | 62 L | 80 L |
