2003 Alfa Romeo 156 vs. 1991 Mercedes-Benz G
To start off, 2003 Alfa Romeo 156 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz G would be higher. At 3,179 cc (6 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (247 HP @ 6200 RPM) has 122 more horse power than 1991 Mercedes-Benz G. (125 HP @ 5000 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 1991 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz G weights approximately 345 kg more than 2003 Alfa Romeo 156.
Because 1991 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 1991 Mercedes-Benz G will offer significantly more control. 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 Alfa Romeo 156 (306 Nm @ 4800 RPM) has 114 more torque (in Nm) than 1991 Mercedes-Benz G. (192 Nm @ 4000 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz G.
Compare all specifications:
| 2003 Alfa Romeo 156 | 1991 Mercedes-Benz G | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | G |
| Year Released | 2003 | 1991 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 125 HP |
| Engine RPM | 6200 RPM | 5000 RPM |
| Torque | 306 Nm | 192 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1535 kg | 1880 kg |
| Vehicle Length | 4450 mm | 4240 mm |
| Vehicle Width | 1750 mm | 1770 mm |
| Vehicle Height | 1400 mm | 1940 mm |
| Wheelbase Size | 2550 mm | 2410 mm |
