2006 BMW 645 vs. 2003 Lancia Thesis
To start off, 2006 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Lancia Thesis. In addition, the cost of maintenance, including insurance, on 2003 Lancia Thesis would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 180 more horse power than 2003 Lancia Thesis. (148 HP @ 6200 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2003 Lancia Thesis. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 16 kg more than 2003 Lancia Thesis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2003 Lancia Thesis, 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 144 more torque (in Nm) than 2003 Lancia Thesis. (306 Nm @ 4800 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2003 Lancia Thesis. 2003 Lancia Thesis has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Lancia Thesis will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 2003 Lancia Thesis | |
| Make | BMW | Lancia |
| Model | 645 | Thesis |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3179 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 328 HP | 148 HP |
| Engine RPM | 6100 RPM | 6200 RPM |
| Torque | 450 Nm | 306 Nm |
| Torque RPM | 3600 RPM | 4800 RPM |
| Engine Bore Size | 92 mm | 93 mm |
| Engine Stroke Size | 83 mm | 78 mm |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 8.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1836 kg | 1820 kg |
| Vehicle Length | 4830 mm | 4890 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2790 mm | 2810 mm |
| Fuel Consumption Overall | 12.8 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
