2003 BMW X3 vs. 2002 BMW Z3
To start off, 2003 BMW X3 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 BMW Z3. In addition, the cost of maintenance, including insurance, on 2002 BMW Z3 would be higher. At 2,996 cc (6 cylinders), 2002 BMW Z3 is equipped with a bigger engine. In terms of performance, both vehicles can yield 228 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 440 kg more than 2002 BMW Z3.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2002 BMW Z3. In wet, icy, snow, or gravel driving conditions, 2003 BMW X3 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, 2002 BMW Z3 (301 Nm @ 3500 RPM) has 1 more torque (in Nm) than 2003 BMW X3. (300 Nm @ 3500 RPM). This means 2002 BMW Z3 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2003 BMW X3 | 2002 BMW Z3 | |
| Make | BMW | BMW |
| Model | X3 | Z3 |
| Year Released | 2003 | 2002 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 228 HP | 228 HP |
| Engine RPM | 5900 RPM | 5900 RPM |
| Torque | 300 Nm | 301 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.1 mm | 84 mm |
| Engine Stroke Size | 89.6 mm | 89.6 mm |
| Acceleration 0-100mph | 8.1 seconds | 6.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1400 kg |
| Vehicle Length | 4570 mm | 4060 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1680 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2450 mm |
| Fuel Tank Capacity | 67 L | 51 L |
