1995 BMW Z3 vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 13 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 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 188 more horse power than 1995 BMW Z3. (140 HP @ 6000 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 1995 BMW Z3. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 515 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 271 more torque (in Nm) than 1995 BMW Z3. (179 Nm @ 4300 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1995 BMW Z3.
Compare all specifications:
| 1995 BMW Z3 | 2008 BMW 645 | |
| Make | BMW | BMW |
| Model | Z3 | 645 |
| Year Released | 1995 | 2008 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1894 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 140 HP | 328 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 179 Nm | 450 Nm |
| Torque RPM | 4300 RPM | 3600 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 187 km/hour | 245 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 | 1690 kg |
| Vehicle Length | 4030 mm | 4830 mm |
| Vehicle Width | 1700 mm | 1860 mm |
| Vehicle Height | 1290 mm | 1380 mm |
| Wheelbase Size | 2450 mm | 2790 mm |
| Fuel Tank Capacity | 51 L | 70 L |
