2003 Alpina Roadster vs. 2007 TVR Sagaris
To start off, 2007 TVR Sagaris is newer by 4 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 3,996 cc (8 cylinders), 2007 TVR Sagaris is equipped with a bigger engine. In terms of performance, 2007 TVR Sagaris (345 HP @ 7200 RPM) has 44 more horse power than 2003 Alpina Roadster. (301 HP @ 6300 RPM) In normal driving conditions, 2007 TVR Sagaris should accelerate faster than 2003 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina Roadster weights approximately 396 kg more than 2007 TVR Sagaris.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2007 TVR Sagaris (391 Nm @ 5500 RPM) has 29 more torque (in Nm) than 2003 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2007 TVR Sagaris will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina Roadster.
Compare all specifications:
| 2003 Alpina Roadster | 2007 TVR Sagaris | |
| Make | Alpina | TVR |
| Model | Roadster | Sagaris |
| Year Released | 2003 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3996 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 345 HP |
| Engine RPM | 6300 RPM | 7200 RPM |
| Torque | 362 Nm | 391 Nm |
| Torque RPM | 4800 RPM | 5500 RPM |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.4 seconds | 4.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1626 kg | 1230 kg |
| Vehicle Length | 4100 mm | 4240 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1310 mm | 1210 mm |
| Wheelbase Size | 2500 mm | 2370 mm |
| Fuel Consumption Overall | 11.7 L/100km | 13 L/100km |
| Fuel Tank Capacity | 55 L | 65 L |
