2005 Alfa Romeo 156 vs. 1975 Opel Manta
To start off, 2005 Alfa Romeo 156 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Opel Manta. In addition, the cost of maintenance, including insurance, on 1975 Opel Manta would be higher. At 1,598 cc (4 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (118 HP @ 6500 RPM) has 51 more horse power than 1975 Opel Manta. (67 HP @ 5200 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1975 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 302 kg more than 1975 Opel Manta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Opel Manta 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 1975 Opel Manta. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Alfa Romeo 156 (147 Nm @ 4500 RPM) has 39 more torque (in Nm) than 1975 Opel Manta. (108 Nm @ 3400 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Manta.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1975 Opel Manta | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Manta |
| Year Released | 2005 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1584 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 67 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 147 Nm | 108 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 85 mm |
| Engine Stroke Size | 75.7 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1250 kg | 948 kg |
| Vehicle Length | 4450 mm | 4300 mm |
| Vehicle Width | 1750 mm | 1640 mm |
| Vehicle Height | 1440 mm | 1360 mm |
| Wheelbase Size | 2710 mm | 2440 mm |
