2006 BMW Z4 vs. 2001 Alfa Romeo 146
To start off, 2006 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 146. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 146 would be higher. At 2,999 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (255 HP @ 6600 RPM) has 151 more horse power than 2001 Alfa Romeo 146. (104 HP @ 4000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2001 Alfa Romeo 146. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 590 kg more than 2001 Alfa Romeo 146. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2001 Alfa Romeo 146, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 BMW Z4 (298 Nm @ 2750 RPM) has 38 more torque (in Nm) than 2001 Alfa Romeo 146. (260 Nm @ 2000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 146.
Compare all specifications:
| 2006 BMW Z4 | 2001 Alfa Romeo 146 | |
| Make | BMW | Alfa Romeo |
| Model | Z4 | 146 |
| Year Released | 2006 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 255 HP | 104 HP |
| Engine RPM | 6600 RPM | 4000 RPM |
| Torque | 298 Nm | 260 Nm |
| Torque RPM | 2750 RPM | 2000 RPM |
| Engine Compression Ratio | 10.7:1 | 19.2:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1835 kg | 1245 kg |
| Vehicle Length | 4100 mm | 4240 mm |
| Vehicle Width | 1790 mm | 1720 mm |
| Vehicle Height | 1270 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2600 mm |
| Fuel Consumption Highway | 7.8 L/100km | 4.7 L/100km |
| Fuel Consumption City | 11.8 L/100km | 5.7 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 55 L | 61 L |
