1995 BMW Z3 vs. 2007 BMW 650
To start off, 2007 BMW 650 is newer by 12 year(s). Which means there will be less support and parts availability for 1995 BMW Z3. In addition, the cost of maintenance, including insurance, on 1995 BMW Z3 would be higher. At 4,797 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (362 HP @ 6300 RPM) has 222 more horse power than 1995 BMW Z3. (140 HP @ 6000 RPM) In normal driving conditions, 2007 BMW 650 should accelerate faster than 1995 BMW Z3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 650 weights approximately 465 kg more than 1995 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, 2007 BMW 650 (490 Nm @ 3400 RPM) has 311 more torque (in Nm) than 1995 BMW Z3. (179 Nm @ 4300 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1995 BMW Z3.
Compare all specifications:
| 1995 BMW Z3 | 2007 BMW 650 | |
| Make | BMW | BMW |
| Model | Z3 | 650 |
| Year Released | 1995 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1894 cc | 4797 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 140 HP | 362 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 179 Nm | 490 Nm |
| Torque RPM | 4300 RPM | 3400 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 187 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1175 kg | 1640 kg |
| Vehicle Length | 4030 mm | 4830 mm |
| Vehicle Width | 1700 mm | 1380 mm |
| Vehicle Height | 1290 mm | 1860 mm |
| Wheelbase Size | 2450 mm | 2790 mm |
| Fuel Tank Capacity | 51 L | 70 L |
