2007 Mercedes-Benz SLR McLaren vs. 2003 Rover 45
To start off, 2007 Mercedes-Benz SLR McLaren is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Rover 45. In addition, the cost of maintenance, including insurance, on 2003 Rover 45 would be higher. At 5,438 cc (8 cylinders), 2007 Mercedes-Benz SLR McLaren is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLR McLaren (617 HP @ 6500 RPM) has 515 more horse power than 2003 Rover 45. (102 HP @ 6300 RPM). In normal driving conditions, 2007 Mercedes-Benz SLR McLaren should accelerate faster than 2003 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz SLR McLaren weights approximately 658 kg more than 2003 Rover 45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz SLR McLaren is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Mercedes-Benz SLR McLaren. However, in wet, icy, snow, or gravel driving conditions, 2003 Rover 45, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Mercedes-Benz SLR McLaren (780 Nm @ 3250 RPM) has 657 more torque (in Nm) than 2003 Rover 45. (123 Nm @ 5000 RPM). This means 2007 Mercedes-Benz SLR McLaren will have an easier job in driving up hills or pulling heavy equipment than 2003 Rover 45. 2007 Mercedes-Benz SLR McLaren has automatic transmission and 2003 Rover 45 has manual transmission. 2003 Rover 45 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz SLR McLaren will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz SLR McLaren | 2003 Rover 45 | |
| Make | Mercedes-Benz | Rover |
| Model | SLR McLaren | 45 |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5438 cc | 1396 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 617 HP | 102 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 780 Nm | 123 Nm |
| Torque RPM | 3250 RPM | 5000 RPM |
| Engine Bore Size | 97 mm | 75 mm |
| Engine Stroke Size | 92 mm | 79 mm |
| Engine Compression Ratio | 8.8:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1768 kg | 1110 kg |
| Vehicle Length | 4660 mm | 4370 mm |
| Vehicle Width | 1910 mm | 1700 mm |
| Vehicle Height | 1270 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2630 mm |
| Fuel Tank Capacity | 98 L | 54 L |
