2003 Alfa Romeo GT vs. 2013 Mercedes-Benz SL
To start off, 2013 Mercedes-Benz SL is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo GT would be higher. At 6,000 cc (12 cylinders), 2013 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SL (613 HP @ 4800 RPM) has 451 more horse power than 2003 Alfa Romeo GT. (162 HP @ 6400 RPM) In normal driving conditions, 2013 Mercedes-Benz SL should accelerate faster than 2003 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz SL weights approximately 610 kg more than 2003 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 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 2013 Mercedes-Benz SL. However, in wet, icy, snow, or gravel driving conditions, 2003 Alfa Romeo GT, 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, 2013 Mercedes-Benz SL (999 Nm @ 4300 RPM) has 793 more torque (in Nm) than 2003 Alfa Romeo GT. (206 Nm @ 3250 RPM). This means 2013 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo GT.
Compare all specifications:
| 2003 Alfa Romeo GT | 2013 Mercedes-Benz SL | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | GT | SL |
| Year Released | 2003 | 2013 |
| Body Type | Coupe | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 1910 cc | 6000 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 162 HP | 613 HP |
| Engine RPM | 6400 RPM | 4800 RPM |
| Torque | 206 Nm | 999 Nm |
| Torque RPM | 3250 RPM | 4300 RPM |
| Engine Bore Size | 83.1 mm | 82 mm |
| Engine Stroke Size | 91 mm | 93 mm |
| Engine Compression Ratio | 11.3:1 | 9.0:1 |
| Acceleration 0-100mph | 8.7 seconds | 4.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 4-speed manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1950 kg |
| Vehicle Length | 4500 mm | 4633 mm |
| Vehicle Width | 1770 mm | 2099 mm |
| Vehicle Height | 1370 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2585 mm |
| Fuel Consumption | 6.8 L/100km | 8.4 L/100km |
| Fuel Consumption City | 12.3 L/100km | 17 L/100km |
