2003 Mercedes-Benz SL vs. 2005 Pontiac Bonneville
To start off, 2005 Pontiac Bonneville is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz SL would be higher. At 5,513 cc (12 cylinders), 2003 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz SL (493 HP @ 5000 RPM) has 288 more horse power than 2005 Pontiac Bonneville. (205 HP @ 5200 RPM). In normal driving conditions, 2003 Mercedes-Benz SL should accelerate faster than 2005 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz SL weights approximately 377 kg more than 2005 Pontiac Bonneville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Mercedes-Benz SL 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 Mercedes-Benz SL. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2003 Mercedes-Benz SL (800 Nm) has 488 more torque (in Nm) than 2005 Pontiac Bonneville. (312 Nm). This means 2003 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Bonneville.
Compare all specifications:
| 2003 Mercedes-Benz SL | 2005 Pontiac Bonneville | |
| Make | Mercedes-Benz | Pontiac |
| Model | SL | Bonneville |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5513 cc | 3786 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 2 valves |
| Horse Power | 493 HP | 205 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 800 Nm | 312 Nm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2025 kg | 1648 kg |
| Vehicle Length | 4540 mm | 5150 mm |
| Vehicle Width | 1830 mm | 1890 mm |
| Vehicle Height | 1300 mm | 1440 mm |
| Wheelbase Size | 2570 mm | 2800 mm |
| Fuel Consumption Overall | 14.7 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 80 L | 68 L |
