2005 Alfa Romeo 166 vs. 1991 Porsche 911
To start off, 2005 Alfa Romeo 166 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 would be higher. At 3,163 cc (6 cylinders), 1991 Porsche 911 is equipped with a bigger engine. In terms of performance, 1991 Porsche 911 (228 HP @ 5900 RPM) has 80 more horse power than 2005 Alfa Romeo 166. (148 HP @ 6500 RPM) In normal driving conditions, 1991 Porsche 911 should accelerate faster than 2005 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 166 weights approximately 320 kg more than 1991 Porsche 911.
Let's talk about torque, 1991 Porsche 911 (286 Nm @ 4800 RPM) has 105 more torque (in Nm) than 2005 Alfa Romeo 166. (181 Nm @ 3800 RPM). This means 1991 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 166.
Compare all specifications:
| 2005 Alfa Romeo 166 | 1991 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 166 | 911 |
| Year Released | 2005 | 1991 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 1970 cc | 3163 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 148 HP | 228 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 181 Nm | 286 Nm |
| Torque RPM | 3800 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1175 kg |
| Vehicle Length | 4730 mm | 4300 mm |
| Vehicle Width | 1810 mm | 1660 mm |
| Vehicle Height | 1420 mm | 1260 mm |
