1999 Audi TT vs. 1971 Riley 4
To start off, 1999 Audi TT is newer by 28 year(s). Which means there will be less support and parts availability for 1971 Riley 4. In addition, the cost of maintenance, including insurance, on 1971 Riley 4 would be higher. At 1,781 cc (4 cylinders), 1999 Audi TT is equipped with a bigger engine. In terms of performance, 1999 Audi TT (178 HP @ 5900 RPM) has 111 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1999 Audi TT should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi TT weights approximately 317 kg more than 1971 Riley 4. 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 1971 Riley 4. 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 114 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 1999 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 1999 Audi TT | 1971 Riley 4 | |
| Make | Audi | Riley |
| Model | TT | 4 |
| Year Released | 1999 | 1971 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 178 HP | 67 HP |
| Engine RPM | 5900 RPM | 5000 RPM |
| Torque | 235 Nm | 121 Nm |
| Torque RPM | 2200 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 76.3 mm |
| Engine Stroke Size | 86.4 mm | 88.9 mm |
| Engine Compression Ratio | 9.0:1 | 8.3:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1465 kg | 1148 kg |
| Vehicle Length | 4050 mm | 4540 mm |
| Vehicle Width | 1770 mm | 1620 mm |
| Vehicle Height | 1350 mm | 1510 mm |
| Wheelbase Size | 2440 mm | 2530 mm |
| Fuel Tank Capacity | 62 L | 45 L |
