2007 Audi S4 vs. 1998 BMW 323
To start off, 2007 Audi S4 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 BMW 323. In addition, the cost of maintenance, including insurance, on 1998 BMW 323 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 171 more horse power than 1998 BMW 323. (170 HP @ 7400 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1998 BMW 323.
Let's talk about torque, 2007 Audi S4 (410 Nm) has 164 more torque (in Nm) than 1998 BMW 323. (246 Nm). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 323.
Compare all specifications:
| 2007 Audi S4 | 1998 BMW 323 | |
| Make | Audi | BMW |
| Model | S4 | 323 |
| Year Released | 2007 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 341 HP | 170 HP |
| Engine RPM | 7000 RPM | 7400 RPM |
| Torque | 410 Nm | 246 Nm |
| Engine Bore Size | 84.6 mm | 84.1 mm |
| Engine Stroke Size | 92.7 mm | 74.9 mm |
| Top Speed | 249 km/hour | 231 km/hour |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4590 mm | 4440 mm |
| Vehicle Width | 1730 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2650 mm | 2710 mm |
