2003 Alpina B3 vs. 2003 Buick Rainier
To start off, both 2003 Alpina B3 and 2003 Buick Rainier were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,195 cc (6 cylinders), 2003 Buick Rainier is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6200 RPM) has 30 more horse power than 2003 Buick Rainier. (271 HP @ 6000 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2003 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 455 kg more than 2003 Alpina B3.
Because 2003 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina B3. In wet, icy, snow, or gravel driving conditions, 2003 Buick Rainier 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 Buick Rainier (373 Nm @ 3600 RPM) has 11 more torque (in Nm) than 2003 Alpina B3. (362 Nm @ 4800 RPM). This means 2003 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina B3.
Compare all specifications:
| 2003 Alpina B3 | 2003 Buick Rainier | |
| Make | Alpina | Buick |
| Model | B3 | Rainier |
| Year Released | 2003 | 2003 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3344 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 271 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 362 Nm | 373 Nm |
| Torque RPM | 4800 RPM | 3600 RPM |
| Engine Bore Size | 87 mm | 93 mm |
| Engine Stroke Size | 93.8 mm | 102 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1645 kg | 2100 kg |
| Vehicle Length | 4490 mm | 4920 mm |
| Vehicle Width | 1760 mm | 1920 mm |
| Vehicle Height | 1360 mm | 1900 mm |
| Wheelbase Size | 2730 mm | 2880 mm |
| Fuel Tank Capacity | 63 L | 83 L |
