1999 Pontiac Bonneville vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1999 Pontiac Bonneville would be higher. At 3,823 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 110 more horse power than 1999 Pontiac Bonneville. (240 HP @ 5200 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1999 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1999 Pontiac Bonneville weights approximately 212 kg more than 2009 Porsche 911.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Pontiac Bonneville. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 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, 2009 Porsche 911 (400 Nm @ 4600 RPM) has 20 more torque (in Nm) than 1999 Pontiac Bonneville. (380 Nm @ 3600 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Pontiac Bonneville.
Compare all specifications:
| 1999 Pontiac Bonneville | 2009 Porsche 911 | |
| Make | Pontiac | Porsche |
| Model | Bonneville | 911 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3791 cc | 3823 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 240 HP | 350 HP |
| Engine RPM | 5200 RPM | 6600 RPM |
| Torque | 380 Nm | 400 Nm |
| Torque RPM | 3600 RPM | 4600 RPM |
| Engine Bore Size | 96.5 mm | 96 mm |
| Engine Stroke Size | 86.4 mm | 82.8 mm |
| Top Speed | 203 km/hour | 280 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1747 kg | 1535 kg |
| Vehicle Length | 5150 mm | 4430 mm |
| Vehicle Width | 1890 mm | 1310 mm |
| Vehicle Height | 1440 mm | 1860 mm |
| Wheelbase Size | 2810 mm | 2360 mm |
| Fuel Tank Capacity | 70 L | 67 L |
