2003 Audi TT vs. 1979 BMW 633
To start off, 2003 Audi TT is newer by 24 year(s). Which means there will be less support and parts availability for 1979 BMW 633. In addition, the cost of maintenance, including insurance, on 1979 BMW 633 would be higher. At 3,210 cc (6 cylinders), 1979 BMW 633 is equipped with a bigger engine. In terms of performance, 2003 Audi TT (237 HP @ 6500 RPM) has 43 more horse power than 1979 BMW 633. (194 HP @ 5500 RPM). In normal driving conditions, 2003 Audi TT should accelerate faster than 1979 BMW 633. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi TT weights approximately 50 kg more than 1979 BMW 633. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 1979 BMW 633. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Audi TT (339 Nm @ 2800 RPM) has 54 more torque (in Nm) than 1979 BMW 633. (285 Nm @ 4300 RPM). This means 2003 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1979 BMW 633.
Compare all specifications:
| 2003 Audi TT | 1979 BMW 633 | |
| Make | Audi | BMW |
| Model | TT | 633 |
| Year Released | 2003 | 1979 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 3210 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 237 HP | 194 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 339 Nm | 285 Nm |
| Torque RPM | 2800 RPM | 4300 RPM |
| Engine Compression Ratio | 11.3:1 | 9.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1520 kg | 1470 kg |
| Vehicle Length | 4010 mm | 4760 mm |
| Vehicle Width | 1760 mm | 1760 mm |
| Vehicle Height | 1350 mm | 1390 mm |
| Wheelbase Size | 2430 mm | 2640 mm |
| Fuel Tank Capacity | 62 L | 70 L |
