2003 BMW 645 vs. 2004 Pontiac Aztek
To start off, 2004 Pontiac Aztek is newer by 1 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 (325 HP @ 6100 RPM) has 140 more horse power than 2004 Pontiac Aztek. (185 HP @ 5200 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2004 Pontiac Aztek. With that said, vehicle weight also plays an important factor in acceleration. 2004 Pontiac Aztek weights approximately 26 kg more than 2003 BMW 645.
Because 2004 Pontiac Aztek 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, 2004 Pontiac Aztek 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) has 165 more torque (in Nm) than 2004 Pontiac Aztek. (285 Nm). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Pontiac Aztek. 2004 Pontiac Aztek has automatic transmission and 2003 BMW 645 has manual transmission. 2003 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Pontiac Aztek will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 645 | 2004 Pontiac Aztek | |
| Make | BMW | Pontiac |
| Model | 645 | Aztek |
| Year Released | 2003 | 2004 |
| Body Type | Coupe | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3392 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 325 HP | 185 HP |
| Engine RPM | 6100 RPM | 5200 RPM |
| Torque | 450 Nm | 285 Nm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 1716 kg |
| Vehicle Length | 4830 mm | 4630 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1380 mm | 1700 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Consumption | 8.6 L/100km | 9.1 L/100km |
| Fuel Consumption City | 17.2 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 11.7 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 68 L |
