2004 Audi TT vs. 1991 Renault 21
To start off, 2004 Audi TT is newer by 13 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 1,780 cc (4 cylinders), 2004 Audi TT is equipped with a bigger engine. In terms of performance, 2004 Audi TT (148 HP @ 6300 RPM) has 73 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2004 Audi TT should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi TT weights approximately 385 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.
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, 2004 Audi TT (195 Nm @ 1750 RPM) has 66 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 2004 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
| 2004 Audi TT | 1991 Renault 21 | |
| Make | Audi | Renault |
| Model | TT | 21 |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1780 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 148 HP | 75 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 195 Nm | 129 Nm |
| Torque RPM | 1750 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 81.1 mm |
| Engine Stroke Size | 86.4 mm | 83.5 mm |
| Engine Compression Ratio | 10.0:1 | 9.2:1 |
| Fuel Type | Gasoline | 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 | 1340 kg | 955 kg |
| Vehicle Length | 4010 mm | 4470 mm |
| Vehicle Width | 1760 mm | 1730 mm |
| Vehicle Height | 1350 mm | 1430 mm |
| Wheelbase Size | 2430 mm | 2550 mm |
