2009 Audi A4 vs. 1999 Pontiac Bonneville
To start off, 2009 Audi A4 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 3,791 cc (6 cylinders), 1999 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1999 Pontiac Bonneville (240 HP @ 5200 RPM) has 53 more horse power than 2009 Audi A4. (187 HP @ 5700 RPM) In normal driving conditions, 1999 Pontiac Bonneville should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Pontiac Bonneville weights approximately 272 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 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 Audi A4 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, 1999 Pontiac Bonneville (380 Nm @ 3600 RPM) has 140 more torque (in Nm) than 2009 Audi A4. (240 Nm @ 1950 RPM). This means 1999 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 1999 Pontiac Bonneville has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 1999 Pontiac Bonneville | |
| Make | Audi | Pontiac |
| Model | A4 | Bonneville |
| Year Released | 2009 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 187 HP | 240 HP |
| Engine RPM | 5700 RPM | 5200 RPM |
| Torque | 240 Nm | 380 Nm |
| Torque RPM | 1950 RPM | 3600 RPM |
| Engine Bore Size | 81 mm | 96.5 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Top Speed | 234 km/hour | 203 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1475 kg | 1747 kg |
| Vehicle Length | 4550 mm | 5150 mm |
| Vehicle Width | 1780 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2810 mm |
| Fuel Tank Capacity | 66 L | 70 L |
