2006 Audi TT vs. 1991 Renault 21
To start off, 2006 Audi TT is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Renault 21. In addition, the cost of maintenance, including insurance, on 1991 Renault 21 would be higher. At 1,781 cc (4 cylinders), 2006 Audi TT is equipped with a bigger engine. In terms of performance, 2006 Audi TT (236 HP) has 161 more horse power than 1991 Renault 21. (75 HP). In normal driving conditions, 2006 Audi TT should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi TT weights approximately 375 kg more than 1991 Renault 21. 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 1991 Renault 21. 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, 2006 Audi TT (320 Nm @ 2300 RPM) has 191 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 2006 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
| 2006 Audi TT | 1991 Renault 21 | |
| Make | Audi | Renault |
| Model | TT | 21 |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 236 HP | 75 HP |
| Torque | 320 Nm | 129 Nm |
| Torque RPM | 2300 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 83.5 mm |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1395 kg | 1020 kg |
| Vehicle Length | 4050 mm | 4650 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1350 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2820 mm |
