2004 Alfa Romeo 156 vs. 1973 Pontiac Bonneville
To start off, 2004 Alfa Romeo 156 is newer by 31 year(s). Which means there will be less support and parts availability for 1973 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Bonneville would be higher. At 7,462 cc (8 cylinders), 1973 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (247 HP @ 6200 RPM) has 62 more horse power than 1973 Pontiac Bonneville. (185 HP @ 4000 RPM). In normal driving conditions, 2004 Alfa Romeo 156 should accelerate faster than 1973 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Bonneville weights approximately 454 kg more than 2004 Alfa Romeo 156.
Because 1973 Pontiac Bonneville 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 1973 Pontiac Bonneville. However, in wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156, 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, 1973 Pontiac Bonneville (484 Nm @ 2000 RPM) has 184 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm @ 4800 RPM). This means 1973 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 1973 Pontiac Bonneville has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 1973 Pontiac Bonneville | |
| Make | Alfa Romeo | Pontiac |
| Model | 156 | Bonneville |
| Year Released | 2004 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 7462 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 185 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 300 Nm | 484 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1536 kg | 1990 kg |
| Vehicle Length | 4450 mm | 5740 mm |
| Vehicle Width | 1750 mm | 2030 mm |
| Vehicle Height | 1400 mm | 1390 mm |
| Wheelbase Size | 2710 mm | 3210 mm |
