2007 GMC Sierra vs. 1999 Opel Speedster
To start off, 2007 GMC Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Opel Speedster. In addition, the cost of maintenance, including insurance, on 1999 Opel Speedster would be higher. At 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 198 more horse power than 1999 Opel Speedster. (147 HP @ 5800 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1999 Opel Speedster.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Speedster. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (515 Nm @ 4000 RPM) has 313 more torque (in Nm) than 1999 Opel Speedster. (202 Nm @ 4000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Speedster. 2007 GMC Sierra has automatic transmission and 1999 Opel Speedster has manual transmission. 1999 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 1999 Opel Speedster | |
| Make | GMC | Opel |
| Model | Sierra | Speedster |
| Year Released | 2007 | 1999 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 5998 cc | 2199 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 345 HP | 147 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 515 Nm | 202 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 102 mm | 86 mm |
| Engine Stroke Size | 92 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5850 mm | 3790 mm |
| Vehicle Width | 2000 mm | 1710 mm |
| Vehicle Height | 1910 mm | 1120 mm |
| Wheelbase Size | 3650 mm | 2340 mm |
| Fuel Tank Capacity | 98 L | 52 L |
