2003 BMW 645 vs. 2012 Lancia Thema
To start off, 2012 Lancia Thema is newer by 9 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 6,400 cc (8 cylinders), 2012 Lancia Thema is equipped with a bigger engine. In terms of performance, 2012 Lancia Thema (465 HP @ 6000 RPM) has 155 more horse power than 2003 BMW 645. (310 HP @ 6000 RPM) In normal driving conditions, 2012 Lancia Thema should accelerate faster than 2003 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2012 Lancia Thema weights approximately 282 kg more than 2003 BMW 645. 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, 2012 Lancia Thema (630 Nm @ 4200 RPM) has 180 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2012 Lancia Thema will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
| 2003 BMW 645 | 2012 Lancia Thema | |
| Make | BMW | Lancia |
| Model | 645 | Thema |
| Year Released | 2003 | 2012 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 6400 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 310 HP | 465 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 450 Nm | 630 Nm |
| Torque RPM | 3600 RPM | 4200 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 5-speed shiftable automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1698 kg | 1980 kg |
| Vehicle Length | 4830 mm | 5088 mm |
| Vehicle Width | 1860 mm | 1885 mm |
| Vehicle Height | 1380 mm | 1478 mm |
| Wheelbase Size | 2790 mm | 3053 mm |
| Fuel Consumption | 8 L/100km | 10.2 L/100km |
| Fuel Consumption City | 16.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 72 L |
