2005 Audi S4 vs. 1987 BMW 318
To start off, 2005 Audi S4 is newer by 18 year(s). Which means there will be less support and parts availability for 1987 BMW 318. In addition, the cost of maintenance, including insurance, on 1987 BMW 318 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (339 HP @ 7000 RPM) has 225 more horse power than 1987 BMW 318. (114 HP @ 5800 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1987 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 829 kg more than 1987 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1987 BMW 318. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi S4 (410 Nm @ 3500 RPM) has 249 more torque (in Nm) than 1987 BMW 318. (161 Nm @ 4250 RPM). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW 318.
Compare all specifications:
| 2005 Audi S4 | 1987 BMW 318 | |
| Make | Audi | BMW |
| Model | S4 | 318 |
| Year Released | 2005 | 1987 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 339 HP | 114 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 410 Nm | 161 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 84.6 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 81 mm |
| Engine Compression Ratio | 11.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1795 kg | 966 kg |
| Vehicle Length | 4580 mm | 4330 mm |
| Vehicle Width | 1790 mm | 1650 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
