2009 Alfa Romeo 147 vs. 1971 Riley 4
To start off, 2009 Alfa Romeo 147 is newer by 38 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 1,622 cc (4 cylinders), 1971 Riley 4 is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo 147 (118 HP @ 6200 RPM) has 51 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 2009 Alfa Romeo 147 should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo 147 weights approximately 127 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.
Because 1971 Riley 4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1971 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 2009 Alfa Romeo 147, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 Alfa Romeo 147 (146 Nm @ 4200 RPM) has 25 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 2009 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 2009 Alfa Romeo 147 | 1971 Riley 4 | |
| Make | Alfa Romeo | Riley |
| Model | 147 | 4 |
| Year Released | 2009 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 67 HP |
| Engine RPM | 6200 RPM | 5000 RPM |
| Torque | 146 Nm | 121 Nm |
| Torque RPM | 4200 RPM | 2500 RPM |
| Engine Bore Size | 82 mm | 76.3 mm |
| Engine Stroke Size | 75.7 mm | 88.9 mm |
| Engine Compression Ratio | 10.3:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1148 kg |
| Vehicle Length | 4230 mm | 4540 mm |
| Vehicle Width | 1740 mm | 1620 mm |
| Vehicle Height | 1450 mm | 1510 mm |
| Wheelbase Size | 2550 mm | 2530 mm |
| Fuel Tank Capacity | 60 L | 45 L |
