1991 Alfa Romeo Proteo vs. 2007 Infiniti M
To start off, 2007 Infiniti M is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo Proteo. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo Proteo would be higher. At 3,498 cc (6 cylinders), 2007 Infiniti M is equipped with a bigger engine. In terms of performance, 2007 Infiniti M (276 HP @ 6200 RPM) has 20 more horse power than 1991 Alfa Romeo Proteo. (256 HP @ 7200 RPM) In normal driving conditions, 2007 Infiniti M should accelerate faster than 1991 Alfa Romeo Proteo.
Because 1991 Alfa Romeo Proteo is four wheel drive (4WD), it will have significant more traction and grip than 2007 Infiniti M. In wet, icy, snow, or gravel driving conditions, 1991 Alfa Romeo Proteo will offer significantly more control. 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. 2007 Infiniti M has automatic transmission and 1991 Alfa Romeo Proteo has manual transmission. 1991 Alfa Romeo Proteo will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Alfa Romeo Proteo | 2007 Infiniti M | |
| Make | Alfa Romeo | Infiniti |
| Model | Proteo | M |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 276 HP |
| Engine RPM | 7200 RPM | 6200 RPM |
| Engine Bore Size | 93.1 mm | 95.5 mm |
| Engine Stroke Size | 72.6 mm | 81.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4150 mm | 4900 mm |
