2005 Audi TT vs. 1978 Renault 18
To start off, 2005 Audi TT is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Renault 18. In addition, the cost of maintenance, including insurance, on 1978 Renault 18 would be higher. At 1,779 cc (4 cylinders), 2005 Audi TT is equipped with a bigger engine. In terms of performance, 2005 Audi TT (178 HP @ 5500 RPM) has 100 more horse power than 1978 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 2005 Audi TT should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi TT weights approximately 415 kg more than 1978 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Audi TT (235 Nm @ 1950 RPM) has 102 more torque (in Nm) than 1978 Renault 18. (133 Nm @ 3000 RPM). This means 2005 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18.
Compare all specifications:
| 2005 Audi TT | 1978 Renault 18 | |
| Make | Audi | Renault |
| Model | TT | 18 |
| Year Released | 2005 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1645 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 178 HP | 78 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 235 Nm | 133 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 83.5 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1385 kg | 970 kg |
| Vehicle Length | 4050 mm | 4390 mm |
| Vehicle Width | 1770 mm | 1710 mm |
| Vehicle Height | 1360 mm | 1410 mm |
| Wheelbase Size | 2470 mm | 2450 mm |
| Fuel Tank Capacity | 55 L | 53 L |
