2003 BMW 520 vs. 1987 Pontiac Bonneville
To start off, 2003 BMW 520 is newer by 16 year(s). Which means there will be less support and parts availability for 1987 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1987 Pontiac Bonneville would be higher. At 3,791 cc (6 cylinders), 1987 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2003 BMW 520 (167 HP @ 6100 RPM) has 17 more horse power than 1987 Pontiac Bonneville. (150 HP @ 4400 RPM). In normal driving conditions, 2003 BMW 520 should accelerate faster than 1987 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 196 kg more than 1987 Pontiac Bonneville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW 520 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 1987 Pontiac Bonneville, being front wheel drive (FWD), will offer much better control with better grip. 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, 1987 Pontiac Bonneville (271 Nm @ 2000 RPM) has 61 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 1987 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520.
Compare all specifications:
| 2003 BMW 520 | 1987 Pontiac Bonneville | |
| Make | BMW | Pontiac |
| Model | 520 | Bonneville |
| Year Released | 2003 | 1987 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 167 HP | 150 HP |
| Engine RPM | 6100 RPM | 4400 RPM |
| Torque | 210 Nm | 271 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 96.5 mm |
| Engine Stroke Size | 72 mm | 86.4 mm |
| Engine Compression Ratio | 10.7:1 | 8.5:1 |
| Top Speed | 217 km/hour | 177 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1504 kg |
| Vehicle Length | 4810 mm | 5050 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2730 mm | 2820 mm |
| Fuel Tank Capacity | 70 L | 68 L |
