2007 BMW 645 vs. 2004 Kia Opirus
To start off, 2007 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Kia Opirus. In addition, the cost of maintenance, including insurance, on 2004 Kia Opirus 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 132 more horse power than 2004 Kia Opirus. (196 HP @ 5500 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2004 Kia Opirus. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 55 kg more than 2004 Kia Opirus. 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 Kia Opirus, 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 156 more torque (in Nm) than 2004 Kia Opirus. (294 Nm @ 3500 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Opirus. 2004 Kia Opirus has automatic transmission and 2007 BMW 645 has manual transmission. 2007 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Kia Opirus will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW 645 | 2004 Kia Opirus | |
Make | BMW | Kia |
Model | 645 | Opirus |
Year Released | 2007 | 2004 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 3497 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 328 HP | 196 HP |
Engine RPM | 6100 RPM | 5500 RPM |
Torque | 450 Nm | 294 Nm |
Torque RPM | 3600 RPM | 3500 RPM |
Engine Bore Size | 92 mm | 93 mm |
Engine Stroke Size | 82.7 mm | 85.8 mm |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1815 kg | 1760 kg |
Vehicle Length | 4830 mm | 4960 mm |
Vehicle Width | 1860 mm | 1860 mm |
Vehicle Height | 1380 mm | 1490 mm |
Wheelbase Size | 2790 mm | 2810 mm |