2000 Infiniti Q45 vs. 2003 Opel Speedster
To start off, 2003 Opel Speedster is newer by 3 year(s). Which means there will be less support and parts availability for 2000 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2000 Infiniti Q45 would be higher. At 4,130 cc (8 cylinders), 2000 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2000 Infiniti Q45 (265 HP @ 5600 RPM) has 120 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM). In normal driving conditions, 2000 Infiniti Q45 should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2000 Infiniti Q45 weights approximately 884 kg more than 2003 Opel Speedster. 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, 2000 Infiniti Q45 (378 Nm @ 4000 RPM) has 175 more torque (in Nm) than 2003 Opel Speedster. (203 Nm @ 4000 RPM). This means 2000 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster. 2000 Infiniti Q45 has automatic transmission and 2003 Opel Speedster has manual transmission. 2003 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2000 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2000 Infiniti Q45 | 2003 Opel Speedster | |
| Make | Infiniti | Opel |
| Model | Q45 | Speedster |
| Year Released | 2000 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4130 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 145 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 378 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 76 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1760 kg | 876 kg |
| Vehicle Length | 5070 mm | 3790 mm |
| Vehicle Width | 1830 mm | 1710 mm |
| Vehicle Height | 1450 mm | 1120 mm |
| Wheelbase Size | 2840 mm | 2710 mm |
| Fuel Tank Capacity | 60 L | 36 L |
