2005 Mercedes-Benz SL vs. 1999 Proton 300
To start off, 2005 Mercedes-Benz SL is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Proton 300. In addition, the cost of maintenance, including insurance, on 1999 Proton 300 would be higher. At 5,513 cc (12 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (493 HP @ 4800 RPM) has 418 more horse power than 1999 Proton 300. (75 HP @ 6000 RPM). In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 1999 Proton 300. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 1005 kg more than 1999 Proton 300. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 Mercedes-Benz SL. However, in wet, icy, snow, or gravel driving conditions, 1999 Proton 300, 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, 2005 Mercedes-Benz SL (800 Nm @ 1800 RPM) has 692 more torque (in Nm) than 1999 Proton 300. (108 Nm @ 3000 RPM). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1999 Proton 300. 2005 Mercedes-Benz SL has automatic transmission and 1999 Proton 300 has manual transmission. 1999 Proton 300 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mercedes-Benz SL | 1999 Proton 300 | |
| Make | Mercedes-Benz | Proton |
| Model | SL | 300 |
| Year Released | 2005 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 5513 cc | 1299 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 3 valves |
| Horse Power | 493 HP | 75 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 800 Nm | 108 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 2040 kg | 1035 kg |
| Vehicle Length | 4540 mm | 4000 mm |
| Vehicle Width | 1830 mm | 1710 mm |
| Vehicle Height | 1300 mm | 1370 mm |
| Wheelbase Size | 2570 mm | 2450 mm |
