2003 Alfa Romeo GT vs. 2006 Mercedes-Benz S
To start off, 2006 Mercedes-Benz S is newer by 3 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 4,965 cc (8 cylinders), 2006 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz S (302 HP @ 5600 RPM) has 140 more horse power than 2003 Alfa Romeo GT. (162 HP @ 6400 RPM) In normal driving conditions, 2006 Mercedes-Benz S should accelerate faster than 2003 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz S weights approximately 551 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 2006 Mercedes-Benz S 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 2006 Mercedes-Benz S. 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, 2006 Mercedes-Benz S (460 Nm @ 2700 RPM) has 254 more torque (in Nm) than 2003 Alfa Romeo GT. (206 Nm @ 3250 RPM). This means 2006 Mercedes-Benz S 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 | 2006 Mercedes-Benz S | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | GT | S |
| Year Released | 2003 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4965 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 162 HP | 302 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 206 Nm | 460 Nm |
| Torque RPM | 3250 RPM | 2700 RPM |
| Engine Bore Size | 83.1 mm | 97 mm |
| Engine Stroke Size | 91 mm | 84 mm |
| Engine Compression Ratio | 11.3:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1340 kg | 1891 kg |
| Vehicle Length | 4500 mm | 5170 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1370 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 3090 mm |
| Fuel Consumption | 6.8 L/100km | 9.8 L/100km |
| Fuel Consumption City | 12.3 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 8.7 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 88 L |
