2005 BMW Z4 vs. 2007 Renault Laguna
To start off, 2007 Renault Laguna is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW Z4. In addition, the cost of maintenance, including insurance, on 2005 BMW Z4 would be higher. At 2,171 cc (6 cylinders), 2005 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (168 HP @ 6250 RPM) has 50 more horse power than 2007 Renault Laguna. (118 HP @ 6000 RPM). In normal driving conditions, 2005 BMW Z4 should accelerate faster than 2007 Renault Laguna. With that said, vehicle weight also plays an important factor in acceleration. 2007 Renault Laguna weights approximately 205 kg more than 2005 BMW Z4.
Let's talk about torque, 2007 Renault Laguna (300 Nm @ 3750 RPM) has 90 more torque (in Nm) than 2005 BMW Z4. (210 Nm @ 3500 RPM). This means 2007 Renault Laguna will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4.
Compare all specifications:
| 2005 BMW Z4 | 2007 Renault Laguna | |
| Make | BMW | Renault |
| Model | Z4 | Laguna |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1870 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 118 HP |
| Engine RPM | 6250 RPM | 6000 RPM |
| Torque | 210 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Engine Bore Size | 80 mm | 80.1 mm |
| Engine Stroke Size | 72 mm | 93 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 7.7 seconds | 12.3 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1325 kg | 1530 kg |
| Vehicle Length | 4100 mm | 4700 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2750 mm |
| Fuel Consumption Overall | 8.9 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
