2003 Infiniti Q45 vs. 1985 Porsche 911
To start off, 2003 Infiniti Q45 is newer by 18 year(s). Which means there will be less support and parts availability for 1985 Porsche 911. In addition, the cost of maintenance, including insurance, on 1985 Porsche 911 would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 112 more horse power than 1985 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 1985 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 594 kg more than 1985 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Infiniti Q45 (451 Nm @ 4000 RPM) has 165 more torque (in Nm) than 1985 Porsche 911. (286 Nm @ 4800 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1985 Porsche 911. 2003 Infiniti Q45 has automatic transmission and 1985 Porsche 911 has manual transmission. 1985 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Infiniti Q45 | 1985 Porsche 911 | |
| Make | Infiniti | Porsche |
| Model | Q45 | 911 |
| Year Released | 2003 | 1985 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4494 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 340 HP | 228 HP |
| Engine RPM | 6400 RPM | 5900 RPM |
| Torque | 451 Nm | 286 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1804 kg | 1210 kg |
| Vehicle Length | 5080 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1660 mm |
| Vehicle Height | 1500 mm | 1330 mm |
| Wheelbase Size | 2880 mm | 2280 mm |
| Fuel Tank Capacity | 81 L | 80 L |
