2007 BMW Z4 vs. 2013 BMW 5 Series
To start off, 2013 BMW 5 Series is newer by 6 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 4,395 cc (8 cylinders), 2013 BMW 5 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 5 Series (439 HP @ 6400 RPM) has 224 more horse power than 2007 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2013 BMW 5 Series should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 5 Series weights approximately 858 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 5 Series is all wheel drive (AWD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2013 BMW 5 Series will offer significantly more control. 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, 2013 BMW 5 Series (651 Nm @ 4500 RPM) has 401 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 2013 BMW 5 Series will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 2013 BMW 5 Series has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 5 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2013 BMW 5 Series | |
| Make | BMW | BMW |
| Model | Z4 | 5 Series |
| Year Released | 2007 | 2013 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 439 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 250 Nm | 651 Nm |
| Torque RPM | 2750 RPM | 4500 RPM |
| Engine Bore Size | 82 mm | 89 mm |
| Engine Stroke Size | 78.8 mm | 89 mm |
| Engine Compression Ratio | 11.0:1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 240 km/hour | 240 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 5.4 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1362 kg | 2220 kg |
| Vehicle Length | 4100 mm | 4999 mm |
| Vehicle Width | 1310 mm | 2132 mm |
| Vehicle Height | 1790 mm | 1559 mm |
| Wheelbase Size | 2500 mm | 3070 mm |
| Fuel Tank Capacity | 55 L | 70 L |
