2007 GMC Acadia vs. 1991 Opel Calibra
To start off, 2007 GMC Acadia is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Opel Calibra. In addition, the cost of maintenance, including insurance, on 1991 Opel Calibra would be higher. At 3,563 cc (6 cylinders), 2007 GMC Acadia is equipped with a bigger engine. In terms of performance, 2007 GMC Acadia (275 HP @ 6600 RPM) has 160 more horse power than 1991 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 2007 GMC Acadia should accelerate faster than 1991 Opel Calibra.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 2007 GMC Acadia. In wet, icy, snow, or gravel driving conditions, 1991 Opel Calibra 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 Acadia (340 Nm @ 3200 RPM) has 166 more torque (in Nm) than 1991 Opel Calibra. (174 Nm @ 2600 RPM). This means 2007 GMC Acadia will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Calibra. 2007 GMC Acadia has automatic transmission and 1991 Opel Calibra has manual transmission. 1991 Opel Calibra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Acadia will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Acadia | 1991 Opel Calibra | |
| Make | GMC | Opel |
| Model | Acadia | Calibra |
| Year Released | 2007 | 1991 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 275 HP | 115 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 340 Nm | 174 Nm |
| Torque RPM | 3200 RPM | 2600 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 5110 mm | 4500 mm |
| Vehicle Width | 2010 mm | 1680 mm |
| Vehicle Height | 1860 mm | 1330 mm |
| Wheelbase Size | 3030 mm | 2610 mm |
| Fuel Tank Capacity | 83 L | 75 L |
