1991 Audi 100 vs. 2009 Audi TT
To start off, 2009 Audi TT is newer by 18 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, 2009 Audi TT (200 HP @ 5100 RPM) has 29 more horse power than 1991 Audi 100. (171 HP @ 5500 RPM) In normal driving conditions, 2009 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 470 kg more than 2009 Audi TT.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2009 Audi TT (281 Nm @ 1800 RPM) has 30 more torque (in Nm) than 1991 Audi 100. (251 Nm @ 3000 RPM). This means 2009 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100. 2009 Audi TT has automatic transmission and 1991 Audi 100 has manual transmission. 1991 Audi 100 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi TT will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi 100 | 2009 Audi TT | |
| Make | Audi | Audi |
| Model | 100 | TT |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 200 HP |
| Engine RPM | 5500 RPM | 5100 RPM |
| Torque | 251 Nm | 281 Nm |
| Torque RPM | 3000 RPM | 1800 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1500 kg | 1030 kg |
| Vehicle Length | 4800 mm | 4180 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 2690 mm | 2480 mm |
| Fuel Consumption Highway | 10 L/100km | 8.1 L/100km |
| Fuel Consumption City | 14 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 8.8 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 80 L | 55 L |
