2005 Alfa Romeo Spider vs. 2003 Audi A4
To start off, 2005 Alfa Romeo Spider is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Audi A4. In addition, the cost of maintenance, including insurance, on 2003 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2003 Audi A4 is equipped with a bigger engine. In terms of performance, 2003 Audi A4 (341 HP @ 7000 RPM) has 126 more horse power than 2005 Alfa Romeo Spider. (215 HP @ 5000 RPM) In normal driving conditions, 2003 Audi A4 should accelerate faster than 2005 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A4 weights approximately 305 kg more than 2005 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2003 Audi A4 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, 2003 Audi A4 (410 Nm @ 3500 RPM) has 145 more torque (in Nm) than 2005 Alfa Romeo Spider. (265 Nm @ 5000 RPM). This means 2003 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo Spider.
Compare all specifications:
| 2005 Alfa Romeo Spider | 2003 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | Spider | A4 |
| Year Released | 2005 | 2003 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 215 HP | 341 HP |
| Engine RPM | 5000 RPM | 7000 RPM |
| Torque | 265 Nm | 410 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84.5 mm |
| Engine Stroke Size | 72.6 mm | 92.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1355 kg | 1660 kg |
| Vehicle Length | 4290 mm | 4550 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1320 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 66 L |
