2004 Audi S4 vs. 1971 Saab 99
To start off, 2004 Audi S4 is newer by 33 year(s). Which means there will be less support and parts availability for 1971 Saab 99. In addition, the cost of maintenance, including insurance, on 1971 Saab 99 would be higher. At 4,162 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 254 more horse power than 1971 Saab 99. (85 HP @ 5000 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 1971 Saab 99. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 645 kg more than 1971 Saab 99. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Saab 99. 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 263 more torque (in Nm) than 1971 Saab 99. (147 Nm @ 3000 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Saab 99.
Compare all specifications:
| 2004 Audi S4 | 1971 Saab 99 | |
| Make | Audi | Saab |
| Model | S4 | 99 |
| Year Released | 2004 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 1853 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 339 HP | 85 HP |
| Engine RPM | 7000 RPM | 5000 RPM |
| Torque | 410 Nm | 147 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 87 mm |
| Engine Stroke Size | 92.8 mm | 78 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1765 kg | 1120 kg |
| Vehicle Length | 4590 mm | 4430 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2470 mm | 2480 mm |
| Fuel Tank Capacity | 63 L | 60 L |
