2005 Renault Laguna vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Renault Laguna. In addition, the cost of maintenance, including insurance, on 2005 Renault Laguna 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 222 more horse power than 2005 Renault Laguna. (106 HP @ 4000 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 2005 Renault Laguna. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 320 kg more than 2005 Renault Laguna. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2005 Renault Laguna, 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 130 more torque (in Nm) than 2005 Renault Laguna. (320 Nm @ 1750 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Renault Laguna. 2008 BMW 645 has automatic transmission and 2005 Renault Laguna has manual transmission. 2005 Renault Laguna will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Renault Laguna | 2008 BMW 645 | |
| Make | Renault | BMW |
| Model | Laguna | 645 |
| Year Released | 2005 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2165 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 106 HP | 328 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 320 Nm | 450 Nm |
| Torque RPM | 1750 RPM | 3600 RPM |
| Engine Bore Size | 87 mm | 92 mm |
| Engine Stroke Size | 92 mm | 82.7 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Top Speed | 212 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 6.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1815 kg |
| Vehicle Length | 4720 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2750 mm | 2790 mm |
| Fuel Consumption Overall | 6.6 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 68 L | 70 L |
