2003 Alpina Roadster vs. 2006 Suzuki Grand Vitara
To start off, 2006 Suzuki Grand Vitara is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2003 Alpina Roadster 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 130 more horse power than 2006 Suzuki Grand Vitara. (171 HP @ 3300 RPM). In normal driving conditions, 2003 Alpina Roadster should accelerate faster than 2006 Suzuki Grand Vitara.
Let's talk about torque, 2003 Alpina Roadster (362 Nm @ 4800 RPM) has 131 more torque (in Nm) than 2006 Suzuki Grand Vitara. (231 Nm @ 3300 RPM). This means 2003 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2006 Suzuki Grand Vitara.
Compare all specifications:
| 2003 Alpina Roadster | 2006 Suzuki Grand Vitara | |
| Make | Alpina | Suzuki |
| Model | Roadster | Grand Vitara |
| Year Released | 2003 | 2006 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2734 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 171 HP |
| Engine RPM | 6300 RPM | 3300 RPM |
| Torque | 362 Nm | 231 Nm |
| Torque RPM | 4800 RPM | 3300 RPM |
| Engine Bore Size | 87 mm | 88 mm |
| Engine Stroke Size | 93.8 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Acceleration 0-100mph | 5.4 seconds | 10.5 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4100 mm | 4710 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1310 mm | 1750 mm |
| Wheelbase Size | 2500 mm | 2810 mm |
| Fuel Consumption Overall | 11.7 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 55 L | 66 L |
