2003 BMW 645 vs. 2005 Suzuki Grand Vitara
To start off, 2005 Suzuki Grand Vitara is newer by 2 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 (310 HP @ 6000 RPM) has 145 more horse power than 2005 Suzuki Grand Vitara. (165 HP @ 4000 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2005 Suzuki Grand Vitara. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 288 kg more than 2005 Suzuki Grand Vitara. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 BMW 645 (450 Nm) has 230 more torque (in Nm) than 2005 Suzuki Grand Vitara. (220 Nm). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Suzuki Grand Vitara.
Compare all specifications:
| 2003 BMW 645 | 2005 Suzuki Grand Vitara | |
| Make | BMW | Suzuki |
| Model | 645 | Grand Vitara |
| Year Released | 2003 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2490 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 310 HP | 165 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 450 Nm | 220 Nm |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1698 kg | 1410 kg |
| Vehicle Length | 4830 mm | 4180 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1720 mm |
| Wheelbase Size | 2790 mm | 2490 mm |
| Fuel Consumption | 8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 16.1 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 10.9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
