2008 Mazda RX-8 vs. 2005 Pontiac Vibe
To start off, 2008 Mazda RX-8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Pontiac Vibe. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Vibe would be higher. At 1,786 cc (4 cylinders), 2005 Pontiac Vibe is equipped with a bigger engine. In terms of performance, 2008 Mazda RX-8 (189 HP @ 7000 RPM) has 66 more horse power than 2005 Pontiac Vibe. (123 HP @ 5200 RPM). In normal driving conditions, 2008 Mazda RX-8 should accelerate faster than 2005 Pontiac Vibe. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mazda RX-8 weights approximately 70 kg more than 2005 Pontiac Vibe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Pontiac Vibe is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2005 Pontiac Vibe 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, 2008 Mazda RX-8 (220 Nm) has 60 more torque (in Nm) than 2005 Pontiac Vibe. (160 Nm). This means 2008 Mazda RX-8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Vibe.
Compare all specifications:
| 2008 Mazda RX-8 | 2005 Pontiac Vibe | |
| Make | Mazda | Pontiac |
| Model | RX-8 | Vibe |
| Year Released | 2008 | 2005 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1308 cc | 1786 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 189 HP | 123 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 220 Nm | 160 Nm |
| Engine Bore Size | 78 mm | 79.1 mm |
| Engine Stroke Size | 83.6 mm | 91 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1422 kg | 1352 kg |
| Vehicle Length | 4440 mm | 4370 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1590 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Consumption Overall | 10.6 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 61 L | 45 L |
