2008 Alpina B5 vs. 1990 Infiniti Q45
To start off, 2008 Alpina B5 is newer by 18 year(s). Which means there will be less support and parts availability for 1990 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1990 Infiniti Q45 would be higher. At 4,493 cc (8 cylinders), 1990 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2008 Alpina B5 (493 HP @ 5500 RPM) has 216 more horse power than 1990 Infiniti Q45. (277 HP @ 6000 RPM). In normal driving conditions, 2008 Alpina B5 should accelerate faster than 1990 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alpina B5 weights approximately 60 kg more than 1990 Infiniti Q45. 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, 2008 Alpina B5 (700 Nm @ 4250 RPM) has 304 more torque (in Nm) than 1990 Infiniti Q45. (396 Nm @ 4000 RPM). This means 2008 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 1990 Infiniti Q45.
Compare all specifications:
| 2008 Alpina B5 | 1990 Infiniti Q45 | |
| Make | Alpina | Infiniti |
| Model | B5 | Q45 |
| Year Released | 2008 | 1990 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 4493 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 277 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 700 Nm | 396 Nm |
| Torque RPM | 4250 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 82.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 300 km/hour | 246 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1810 kg | 1750 kg |
| Vehicle Length | 4850 mm | 5080 mm |
| Vehicle Width | 1850 mm | 1830 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2890 mm |
| Fuel Tank Capacity | 70 L | 72 L |
