1999 BMW Z9 vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 12 year(s). Which means there will be less support and parts availability for 1999 BMW Z9. In addition, the cost of maintenance, including insurance, on 1999 BMW Z9 would be higher. At 6,000 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (364 HP @ 5400 RPM) has 122 more horse power than 1999 BMW Z9. (242 HP @ 7400 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1999 BMW Z9. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1029 kg more than 1999 BMW Z9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW Z9. In wet, icy, snow, or gravel driving conditions, 2011 GMC Sierra 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, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 54 more torque (in Nm) than 2011 GMC Sierra. (506 Nm @ 4400 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2011 GMC Sierra.
Compare all specifications:
| 1999 BMW Z9 | 2011 GMC Sierra | |
| Make | BMW | GMC |
| Model | Z9 | Sierra |
| Year Released | 1999 | 2011 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 6000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 242 HP | 364 HP |
| Engine RPM | 7400 RPM | 5400 RPM |
| Torque | 560 Nm | 506 Nm |
| Torque RPM | 1750 RPM | 4400 RPM |
| Engine Compression Ratio | 18.0:1 | 10.2:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1630 kg | 2659 kg |
| Vehicle Length | 5010 mm | 5710 mm |
| Vehicle Width | 1980 mm | 2040 mm |
| Vehicle Height | 1350 mm | 1940 mm |
| Wheelbase Size | 3060 mm | 3380 mm |
