2007 Audi TT vs. 1991 Audi 100
To start off, 2007 Audi TT is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 2007 Audi TT (197 HP @ 5100 RPM) has 25 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM). In normal driving conditions, 2007 Audi TT should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 246 kg more than 2007 Audi TT.
Let's talk about torque, 2007 Audi TT (280 Nm @ 1800 RPM) has 30 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 2007 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 2007 Audi TT | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | TT | 100 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 172 HP |
| Engine RPM | 5100 RPM | 5500 RPM |
| Torque | 280 Nm | 250 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1260 kg | 1506 kg |
| Vehicle Length | 4180 mm | 4800 mm |
| Vehicle Width | 1360 mm | 1780 mm |
| Vehicle Height | 1850 mm | 1450 mm |
