1999 Audi TT vs. 1986 Renault 21
To start off, 1999 Audi TT is newer by 13 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 1,998 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1999 Audi TT (178 HP @ 5900 RPM) has 58 more horse power than 1986 Renault 21. (120 HP @ 5500 RPM). In normal driving conditions, 1999 Audi TT should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi TT weights approximately 330 kg more than 1986 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 1986 Renault 21. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Audi TT (235 Nm @ 2200 RPM) has 67 more torque (in Nm) than 1986 Renault 21. (168 Nm @ 4500 RPM). This means 1999 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1999 Audi TT | 1986 Renault 21 | |
| Make | Audi | Renault |
| Model | TT | 21 |
| Year Released | 1999 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 178 HP | 120 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 235 Nm | 168 Nm |
| Torque RPM | 2200 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 88.1 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1465 kg | 1135 kg |
| Vehicle Length | 4050 mm | 4650 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1350 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2760 mm |
