2003 BMW 645 vs. 2007 BMW Alpina
To start off, 2007 BMW Alpina is newer by 4 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 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW Alpina (500 HP) has 179 more horse power than 2003 BMW 645. (321 HP) In normal driving conditions, 2007 BMW Alpina should accelerate faster than 2003 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Alpina weights approximately 80 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.
Let's talk about torque, 2007 BMW Alpina (700 Nm @ 4250 RPM) has 250 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2007 BMW Alpina will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
2003 BMW 645 | 2007 BMW Alpina | |
Make | BMW | BMW |
Model | 645 | Alpina |
Year Released | 2003 | 2007 |
Engine Position | Front | Front |
Engine Size | 4398 cc | 4397 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 321 HP | 500 HP |
Torque | 450 Nm | 700 Nm |
Torque RPM | 3600 RPM | 4250 RPM |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1895 kg | 1975 kg |
Vehicle Length | 4830 mm | 5050 mm |
Vehicle Width | 1860 mm | 1910 mm |
Vehicle Height | 1380 mm | 1480 mm |
Wheelbase Size | 2790 mm | 3000 mm |
Fuel Consumption | 8.5 L/100km | 10.2 L/100km |
Fuel Consumption City | 16.8 L/100km | 15.7 L/100km |
Fuel Consumption Overall | 11.5 L/100km | 13.1 L/100km |
Fuel Tank Capacity | 70 L | 88 L |