2007 BMW 645 vs. 2004 Volvo S80
To start off, 2007 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Volvo S80. In addition, the cost of maintenance, including insurance, on 2004 Volvo S80 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 60 more horse power than 2004 Volvo S80. (268 HP @ 5400 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2004 Volvo S80. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 158 kg more than 2004 Volvo S80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 645 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 2007 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2004 Volvo S80, 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 70 more torque (in Nm) than 2004 Volvo S80. (380 Nm @ 1800 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Volvo S80.
Compare all specifications:
| 2007 BMW 645 | 2004 Volvo S80 | |
| Make | BMW | Volvo |
| Model | 645 | S80 |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2916 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 268 HP |
| Engine RPM | 6100 RPM | 5400 RPM |
| Torque | 450 Nm | 380 Nm |
| Torque RPM | 3600 RPM | 1800 RPM |
| Engine Bore Size | 92 mm | 83 mm |
| Engine Stroke Size | 82.7 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 8.7:1 |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1657 kg |
| Vehicle Length | 4830 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1380 mm | 1460 mm |
| Wheelbase Size | 2790 mm | 2650 mm |
| Fuel Consumption Overall | 13 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
