2006 BMW Z4 vs. 2002 Smart ForFour
To start off, 2006 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Smart ForFour. In addition, the cost of maintenance, including insurance, on 2002 Smart ForFour would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 115 more horse power than 2002 Smart ForFour. (74 HP @ 6000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2002 Smart ForFour. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 369 kg more than 2002 Smart ForFour. 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, 2002 Smart ForFour, 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 (245 Nm @ 3500 RPM) has 145 more torque (in Nm) than 2002 Smart ForFour. (100 Nm @ 3500 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Smart ForFour. 2002 Smart ForFour has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Smart ForFour will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2002 Smart ForFour | |
| Make | BMW | Smart |
| Model | Z4 | ForFour |
| Year Released | 2006 | 2002 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1124 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 74 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 100 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 75.5 mm |
| Engine Stroke Size | 75 mm | 84.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 165 km/hour |
| Acceleration 0-100mph | 7 seconds | 13.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1335 kg | 966 kg |
| Vehicle Length | 4100 mm | 3760 mm |
| Vehicle Width | 1790 mm | 1690 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
| Fuel Consumption Overall | 9 L/100km | 5.5 L/100km |
