2005 Audi S4 vs. 1998 BMW 318
To start off, 2005 Audi S4 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 BMW 318. In addition, the cost of maintenance, including insurance, on 1998 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 (340 HP @ 4000 RPM) has 224 more horse power than 1998 BMW 318. (116 HP @ 5500 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1998 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 410 kg more than 1998 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 230 more torque (in Nm) than 1998 BMW 318. (180 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 318.
Compare all specifications:
| 2005 Audi S4 | 1998 BMW 318 | |
| Make | Audi | BMW |
| Model | S4 | 318 |
| Year Released | 2005 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1895 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 116 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 410 Nm | 180 Nm |
| Engine Compression Ratio | 11.0:1 | 9.7:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1360 kg |
| Vehicle Length | 4550 mm | 4480 mm |
| Vehicle Width | 1770 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Consumption Highway | 9.8 L/100km | 6 L/100km |
| Fuel Consumption City | 13.1 L/100km | 11.3 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 8 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
