2001 AC Aceca vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 AC Aceca. In addition, the cost of maintenance, including insurance, on 2001 AC Aceca would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2001 AC Aceca (346 HP @ 6500 RPM) has 24 more horse power than 2004 BMW 645. (322 HP @ 7400 RPM). In normal driving conditions, 2001 AC Aceca should accelerate faster than 2004 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 105 kg more than 2001 AC Aceca.
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 (447 Nm) has 47 more torque (in Nm) than 2001 AC Aceca. (400 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2001 AC Aceca.
Compare all specifications:
| 2001 AC Aceca | 2004 BMW 645 | |
| Make | AC | BMW |
| Model | Aceca | 645 |
| Year Released | 2001 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 4392 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 346 HP | 322 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 400 Nm | 447 Nm |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 81 mm | 83 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1715 kg |
| Vehicle Length | 4640 mm | 4840 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1350 mm | 1380 mm |
| Wheelbase Size | 2300 mm | 2790 mm |
| Fuel Tank Capacity | 90 L | 70 L |
