2003 BMW 325 vs. 2006 Mercedes-Benz SLR McLaren
To start off, 2006 Mercedes-Benz SLR McLaren is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 325. In addition, the cost of maintenance, including insurance, on 2003 BMW 325 would be higher. At 5,439 cc (8 cylinders), 2006 Mercedes-Benz SLR McLaren is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz SLR McLaren (617 HP @ 6500 RPM) has 425 more horse power than 2003 BMW 325. (192 HP @ 6000 RPM) In normal driving conditions, 2006 Mercedes-Benz SLR McLaren should accelerate faster than 2003 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SLR McLaren weights approximately 288 kg more than 2003 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 Mercedes-Benz SLR McLaren (780 Nm @ 3250 RPM) has 535 more torque (in Nm) than 2003 BMW 325. (245 Nm @ 3500 RPM). This means 2006 Mercedes-Benz SLR McLaren will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 325. 2006 Mercedes-Benz SLR McLaren has automatic transmission and 2003 BMW 325 has manual transmission. 2003 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz SLR McLaren will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 325 | 2006 Mercedes-Benz SLR McLaren | |
| Make | BMW | Mercedes-Benz |
| Model | 325 | SLR McLaren |
| Year Released | 2003 | 2006 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 192 HP | 617 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 245 Nm | 780 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 84.1 mm | 97 mm |
| Engine Stroke Size | 75 mm | 92 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Acceleration 0-100mph | 7.1 seconds | 4.1 seconds |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1480 kg | 1768 kg |
| Vehicle Length | 4270 mm | 4660 mm |
| Vehicle Width | 1760 mm | 1910 mm |
| Vehicle Height | 1410 mm | 1270 mm |
| Wheelbase Size | 2730 mm | 2710 mm |
| Fuel Consumption | 7 L/100km | 13.8 L/100km |
| Fuel Consumption City | 12.3 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 8.9 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 63 L | 98 L |
