2003 BMW 645 vs. 2007 Suzuki Grand Vitara
To start off, 2007 Suzuki Grand Vitara 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, 2003 BMW 645 (321 HP @ 6100 RPM) has 136 more horse power than 2007 Suzuki Grand Vitara. (185 HP @ 6000 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2007 Suzuki Grand Vitara. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 860 kg more than 2007 Suzuki Grand Vitara. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Suzuki Grand Vitara is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 645. In wet, icy, snow, or gravel driving conditions, 2007 Suzuki Grand Vitara will offer significantly more control. 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 200 more torque (in Nm) than 2007 Suzuki Grand Vitara. (250 Nm @ 4500 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Suzuki Grand Vitara. 2003 BMW 645 has automatic transmission and 2007 Suzuki Grand Vitara has manual transmission. 2007 Suzuki Grand Vitara will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 645 | 2007 Suzuki Grand Vitara | |
| Make | BMW | Suzuki |
| Model | 645 | Grand Vitara |
| Year Released | 2003 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2701 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 185 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 250 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Engine Bore Size | 92 mm | 87.9 mm |
| Engine Stroke Size | 82.7 mm | 74.9 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1895 kg | 1035 kg |
| Vehicle Length | 4830 mm | 4480 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1700 mm |
| Wheelbase Size | 2790 mm | 2650 mm |
| Fuel Consumption Overall | 11.5 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
