2006 Alpina B3 vs. 1971 Riley 4
To start off, 2006 Alpina B3 is newer by 35 year(s). Which means there will be less support and parts availability for 1971 Riley 4. In addition, the cost of maintenance, including insurance, on 1971 Riley 4 would be higher. At 3,347 cc (6 cylinders), 2006 Alpina B3 is equipped with a bigger engine. In terms of performance, 2006 Alpina B3 (301 HP @ 6300 RPM) has 234 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 2006 Alpina B3 should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alpina B3 weights approximately 377 kg more than 1971 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Alpina B3 (363 Nm @ 4800 RPM) has 242 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 2006 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 2006 Alpina B3 | 1971 Riley 4 | |
| Make | Alpina | Riley |
| Model | B3 | 4 |
| Year Released | 2006 | 1971 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3347 cc | 1622 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 67 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 363 Nm | 121 Nm |
| Torque RPM | 4800 RPM | 2500 RPM |
| Engine Bore Size | 87 mm | 76.3 mm |
| Engine Stroke Size | 93.9 mm | 88.9 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1525 kg | 1148 kg |
| Vehicle Length | 4480 mm | 4540 mm |
| Vehicle Width | 1750 mm | 1620 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2730 mm | 2530 mm |
| Fuel Tank Capacity | 63 L | 45 L |
