2003 Alpina Roadster vs. 1983 Mercedes-Benz G
To start off, 2003 Alpina Roadster is newer by 20 year(s). Which means there will be less support and parts availability for 1983 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1983 Mercedes-Benz G would be higher. At 3,346 cc (6 cylinders), 2003 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2003 Alpina Roadster (301 HP @ 6300 RPM) has 176 more horse power than 1983 Mercedes-Benz G. (125 HP @ 5000 RPM). In normal driving conditions, 2003 Alpina Roadster should accelerate faster than 1983 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 1983 Mercedes-Benz G weights approximately 254 kg more than 2003 Alpina Roadster.
Because 1983 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 1983 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 Alpina Roadster (362 Nm @ 4800 RPM) has 176 more torque (in Nm) than 1983 Mercedes-Benz G. (186 Nm @ 4000 RPM). This means 2003 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 1983 Mercedes-Benz G.
Compare all specifications:
| 2003 Alpina Roadster | 1983 Mercedes-Benz G | |
| Make | Alpina | Mercedes-Benz |
| Model | Roadster | G |
| Year Released | 2003 | 1983 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2307 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 301 HP | 125 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 362 Nm | 186 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 95.5 mm |
| Engine Stroke Size | 93.8 mm | 80.2 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1626 kg | 1880 kg |
| Vehicle Length | 4100 mm | 4240 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1310 mm | 1940 mm |
| Wheelbase Size | 2500 mm | 2410 mm |
