2006 BMW Z4 vs. 2007 GMC Savana
To start off, 2007 GMC Savana is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 5,358 cc (8 cylinders), 2007 GMC Savana is equipped with a bigger engine. In terms of performance, 2007 GMC Savana (295 HP @ 5200 RPM) has 67 more horse power than 2006 BMW Z4. (228 HP @ 5900 RPM) In normal driving conditions, 2007 GMC Savana should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Savana weights approximately 1294 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Savana is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2007 GMC Savana 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, 2007 GMC Savana (454 Nm @ 4000 RPM) has 153 more torque (in Nm) than 2006 BMW Z4. (301 Nm @ 3500 RPM). This means 2007 GMC Savana will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2007 GMC Savana | |
| Make | BMW | GMC |
| Model | Z4 | Savana |
| Year Released | 2006 | 2007 |
| Body Type | Convertible | Van |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 5358 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 228 HP | 295 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 301 Nm | 454 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 8 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1365 kg | 2659 kg |
| Vehicle Length | 4100 mm | 5700 mm |
| Vehicle Width | 1790 mm | 2020 mm |
| Vehicle Height | 1310 mm | 2080 mm |
| Wheelbase Size | 2500 mm | 3440 mm |
| Fuel Consumption | 7.8 L/100km | 13.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 55 L | 117 L |
