2004 Audi S4 vs. 1976 Bristol 603
To start off, 2004 Audi S4 is newer by 28 year(s). Which means there will be less support and parts availability for 1976 Bristol 603. In addition, the cost of maintenance, including insurance, on 1976 Bristol 603 would be higher. At 5,210 cc (8 cylinders), 1976 Bristol 603 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 194 more horse power than 1976 Bristol 603. (145 HP @ 4000 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 1976 Bristol 603. With that said, vehicle weight also plays an important factor in acceleration. 1976 Bristol 603 weights approximately 20 kg more than 2004 Audi S4.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1976 Bristol 603. In wet, icy, snow, or gravel driving conditions, 2004 Audi S4 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 77 more torque (in Nm) than 1976 Bristol 603. (333 Nm @ 1600 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1976 Bristol 603.
Compare all specifications:
| 2004 Audi S4 | 1976 Bristol 603 | |
| Make | Audi | Bristol |
| Model | S4 | 603 |
| Year Released | 2004 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 5210 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 339 HP | 145 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 410 Nm | 333 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Compression Ratio | 11.0:1 | 8.0:1 |
| Top Speed | 250 km/hour | 225 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1765 kg | 1785 kg |
| Vehicle Length | 4590 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2470 mm | 2910 mm |
| Fuel Tank Capacity | 63 L | 81 L |
