2005 Audi S4 vs. 2001 BMW Z3
To start off, 2005 Audi S4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 BMW Z3. In addition, the cost of maintenance, including insurance, on 2001 BMW Z3 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 113 more horse power than 2001 BMW Z3. (227 HP @ 5900 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2001 BMW Z3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 480 kg more than 2001 BMW Z3. 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 110 more torque (in Nm) than 2001 BMW Z3. (300 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW Z3.
Compare all specifications:
| 2005 Audi S4 | 2001 BMW Z3 | |
| Make | Audi | BMW |
| Model | S4 | Z3 |
| Year Released | 2005 | 2001 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2926 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 227 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 410 Nm | 300 Nm |
| Engine Bore Size | 85 mm | 84.1 mm |
| Engine Stroke Size | 93 mm | 89.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1360 kg |
| Vehicle Length | 4580 mm | 4060 mm |
| Vehicle Width | 1780 mm | 1750 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2450 mm |
| Fuel Tank Capacity | 63 L | 51 L |
