2004 BMW 645 vs. 2013 BMW ActiveHybrid 5
To start off, 2013 BMW ActiveHybrid 5 is newer by 9 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 32 more horse power than 2013 BMW ActiveHybrid 5. (296 HP @ 5800 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2013 BMW ActiveHybrid 5. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW ActiveHybrid 5 weights approximately 165 kg more than 2004 BMW 645.
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, 2004 BMW 645 (451 Nm @ 3600 RPM) has 44 more torque (in Nm) than 2013 BMW ActiveHybrid 5. (407 Nm @ 5000 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW ActiveHybrid 5. 2013 BMW ActiveHybrid 5 has automatic transmission and 2004 BMW 645 has manual transmission. 2004 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW ActiveHybrid 5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW 645 | 2013 BMW ActiveHybrid 5 | |
| Make | BMW | BMW |
| Model | 645 | ActiveHybrid 5 |
| Year Released | 2004 | 2013 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 296 HP |
| Engine RPM | 6100 RPM | 5800 RPM |
| Torque | 451 Nm | 407 Nm |
| Torque RPM | 3600 RPM | 5000 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 89 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1980 kg |
| Vehicle Length | 4830 mm | 4899 mm |
| Vehicle Width | 1860 mm | 2094 mm |
| Vehicle Height | 1380 mm | 1464 mm |
| Wheelbase Size | 2790 mm | 2968 mm |
| Fuel Tank Capacity | 70 L | 67 L |
