1999 BMW Z8 vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 1999 BMW Z8. In addition, the cost of maintenance, including insurance, on 1999 BMW Z8 would be higher. At 5,358 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 BMW Z8 (400 HP @ 6600 RPM) has 105 more horse power than 2006 GMC Sierra. (295 HP @ 5200 RPM). In normal driving conditions, 1999 BMW Z8 should accelerate faster than 2006 GMC Sierra.
Let's talk about torque, 1999 BMW Z8 (500 Nm @ 3800 RPM) has 46 more torque (in Nm) than 2006 GMC Sierra. (454 Nm @ 4000 RPM). This means 1999 BMW Z8 will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 1999 BMW Z8 | 2006 GMC Sierra | |
| Make | BMW | GMC |
| Model | Z8 | Sierra |
| Year Released | 1999 | 2006 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4939 cc | 5358 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 400 HP | 295 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 500 Nm | 454 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 94 mm | 96 mm |
| Engine Stroke Size | 89 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4410 mm | 5850 mm |
| Vehicle Width | 1840 mm | 2000 mm |
| Vehicle Height | 1320 mm | 1810 mm |
| Wheelbase Size | 2510 mm | 3650 mm |
| Fuel Consumption | 10.6 L/100km | 11.2 L/100km |
| Fuel Consumption City | 21.1 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 14.5 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 73 L | 98 L |
