2009 BMW 650 vs. 2002 BMW Z3
To start off, 2009 BMW 650 is newer by 7 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 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 177 more horse power than 2002 BMW Z3. (185 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 650 should accelerate faster than 2002 BMW Z3. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 580 kg more than 2002 BMW Z3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2009 BMW 650 (490 Nm @ 3400 RPM) has 253 more torque (in Nm) than 2002 BMW Z3. (237 Nm @ 3500 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z3. 2002 BMW Z3 has automatic transmission and 2009 BMW 650 has manual transmission. 2009 BMW 650 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 BMW Z3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 650 | 2002 BMW Z3 | |
| Make | BMW | BMW |
| Model | 650 | Z3 |
| Year Released | 2009 | 2002 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2488 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 362 HP | 185 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 490 Nm | 237 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 88.3 mm | 74.9 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 206 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1935 kg | 1355 kg |
| Vehicle Length | 4830 mm | 4060 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2790 mm | 2450 mm |
| Fuel Tank Capacity | 70 L | 51 L |
