1999 BMW X5 vs. 2005 Pontiac Aztek
To start off, 2005 Pontiac Aztek is newer by 6 year(s). Which means there will be less support and parts availability for 1999 BMW X5. In addition, the cost of maintenance, including insurance, on 1999 BMW X5 would be higher. At 4,398 cc (8 cylinders), 1999 BMW X5 is equipped with a bigger engine. In terms of performance, 1999 BMW X5 (282 HP @ 5400 RPM) has 106 more horse power than 2005 Pontiac Aztek. (176 HP @ 5200 RPM). In normal driving conditions, 1999 BMW X5 should accelerate faster than 2005 Pontiac Aztek. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW X5 weights approximately 354 kg more than 2005 Pontiac Aztek. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 1999 BMW X5 (439 Nm @ 3600 RPM) has 141 more torque (in Nm) than 2005 Pontiac Aztek. (298 Nm @ 4000 RPM). This means 1999 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Aztek.
Compare all specifications:
| 1999 BMW X5 | 2005 Pontiac Aztek | |
| Make | BMW | Pontiac |
| Model | X5 | Aztek |
| Year Released | 1999 | 2005 |
| Body Type | SUV | 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 | 4 valves |
| Horse Power | 282 HP | 176 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 439 Nm | 298 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 84 mm |
| Engine Compression Ratio | 10.0:1 | 8.6:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2184 kg | 1830 kg |
| Vehicle Length | 4670 mm | 4630 mm |
| Vehicle Width | 1880 mm | 1880 mm |
| Vehicle Height | 1710 mm | 1700 mm |
| Wheelbase Size | 2730 mm | 2760 mm |
| Fuel Tank Capacity | 93 L | 69 L |
