2009 Audi R8 vs. 2005 Pontiac Aztek
To start off, 2009 Audi R8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Pontiac Aztek. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Aztek would be higher. At 4,163 cc (8 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (420 HP @ 7800 RPM) has 245 more horse power than 2005 Pontiac Aztek. (175 HP @ 5200 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2005 Pontiac Aztek. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Aztek weights approximately 935 kg more than 2009 Audi R8.
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, 2009 Audi R8 (430 Nm @ 4500 RPM) has 132 more torque (in Nm) than 2005 Pontiac Aztek. (298 Nm @ 4000 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Aztek. 2005 Pontiac Aztek has automatic transmission and 2009 Audi R8 has manual transmission. 2009 Audi R8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Pontiac Aztek will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi R8 | 2005 Pontiac Aztek | |
| Make | Audi | Pontiac |
| Model | R8 | Aztek |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Crossover |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 3392 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 420 HP | 175 HP |
| Engine RPM | 7800 RPM | 5200 RPM |
| Torque | 430 Nm | 298 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Compression Ratio | 12.5:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 895 kg | 1830 kg |
| Vehicle Length | 4440 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1880 mm |
| Vehicle Height | 1260 mm | 1700 mm |
| Wheelbase Size | 2660 mm | 2760 mm |
| Fuel Tank Capacity | 90 L | 69 L |
