1991 Infiniti Q45 vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1991 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 1991 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayman (291 HP @ 6250 RPM) has 14 more horse power than 1991 Infiniti Q45. (277 HP @ 6000 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 1991 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 1991 Infiniti Q45 weights approximately 325 kg more than 2009 Porsche Cayman.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1991 Infiniti Q45 (397 Nm @ 4000 RPM) has 57 more torque (in Nm) than 2009 Porsche Cayman. (340 Nm @ 4400 RPM). This means 1991 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche Cayman. 1991 Infiniti Q45 has automatic transmission and 2009 Porsche Cayman has manual transmission. 2009 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Infiniti Q45 | 2009 Porsche Cayman | |
| Make | Infiniti | Porsche |
| Model | Q45 | Cayman |
| Year Released | 1991 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4494 cc | 3385 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 277 HP | 291 HP |
| Engine RPM | 6000 RPM | 6250 RPM |
| Torque | 397 Nm | 340 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 93 mm | 96.3 mm |
| Engine Stroke Size | 82.7 mm | 78.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 246 km/hour | 275 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1425 kg |
| Vehicle Length | 5080 mm | 4350 mm |
| Vehicle Width | 1830 mm | 1310 mm |
| Vehicle Height | 1440 mm | 1810 mm |
| Wheelbase Size | 2890 mm | 2420 mm |
| Fuel Tank Capacity | 72 L | 64 L |
