1999 Audi S8 vs. 1991 BMW 318
To start off, 1999 Audi S8 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 BMW 318. In addition, the cost of maintenance, including insurance, on 1991 BMW 318 would be higher. At 4,172 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 195 more horse power than 1991 BMW 318. (140 HP @ 6000 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 1991 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 490 kg more than 1991 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1991 BMW 318. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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 S8 (331 Nm @ 3400 RPM) has 156 more torque (in Nm) than 1991 BMW 318. (175 Nm @ 4500 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 318.
Compare all specifications:
| 1999 Audi S8 | 1991 BMW 318 | |
| Make | Audi | BMW |
| Model | S8 | 318 |
| Year Released | 1999 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 140 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 331 Nm | 175 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Top Speed | 250 km/hour | 208 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 10.2 seconds |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1240 kg |
| Vehicle Length | 5040 mm | 4440 mm |
| Vehicle Width | 1890 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2710 mm |
| Fuel Tank Capacity | 90 L | 65 L |
