2007 BMW 328 vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 328. In addition, the cost of maintenance, including insurance, on 2007 BMW 328 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 97 more horse power than 2007 BMW 328. (231 HP @ 6500 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 2007 BMW 328.
Let's talk about torque, 2008 BMW 645 (450 Nm @ 3600 RPM) has 179 more torque (in Nm) than 2007 BMW 328. (271 Nm @ 2750 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 328.
Compare all specifications:
| 2007 BMW 328 | 2008 BMW 645 | |
| Make | BMW | BMW |
| Model | 328 | 645 |
| Year Released | 2007 | 2008 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 231 HP | 328 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 271 Nm | 450 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4530 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Consumption Overall | 10.7 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 61 L | 70 L |
