2005 GMC Sierra vs. 2002 BMW Z3
To start off, 2005 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2002 BMW Z3. In addition, the cost of maintenance, including insurance, on 2002 BMW Z3 would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 93 more horse power than 2002 BMW Z3. (228 HP @ 5900 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2002 BMW Z3. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 870 kg more than 2002 BMW Z3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2002 BMW Z3. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 69 more torque (in Nm) than 2002 BMW Z3. (301 Nm @ 3500 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z3.
Compare all specifications:
| 2005 GMC Sierra | 2002 BMW Z3 | |
| Make | GMC | BMW |
| Model | Sierra | Z3 |
| Year Released | 2005 | 2002 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 228 HP |
| Engine RPM | 5000 RPM | 5900 RPM |
| Torque | 370 Nm | 301 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 1400 kg |
| Vehicle Length | 5790 mm | 4060 mm |
| Vehicle Width | 2000 mm | 1750 mm |
| Vehicle Height | 1850 mm | 1300 mm |
| Wheelbase Size | 3650 mm | 2450 mm |
| Fuel Tank Capacity | 117 L | 51 L |
