1991 Opel Calibra vs. 1989 Pontiac Grand Am
To start off, 1991 Opel Calibra is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1989 Pontiac Grand Am would be higher. At 1,998 cc (4 cylinders), 1991 Opel Calibra is equipped with a bigger engine. In terms of performance, 1991 Opel Calibra (201 HP @ 5600 RPM) has 38 more horse power than 1989 Pontiac Grand Am. (163 HP @ 5600 RPM). In normal driving conditions, 1991 Opel Calibra should accelerate faster than 1989 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 188 kg more than 1989 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 1989 Pontiac Grand Am. 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, 1991 Opel Calibra (280 Nm @ 2400 RPM) has 43 more torque (in Nm) than 1989 Pontiac Grand Am. (237 Nm @ 4000 RPM). This means 1991 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1989 Pontiac Grand Am. 1989 Pontiac Grand Am 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. 1989 Pontiac Grand Am will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Calibra | 1989 Pontiac Grand Am | |
| Make | Opel | Pontiac |
| Model | Calibra | Grand Am |
| Year Released | 1991 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 201 HP | 163 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 280 Nm | 237 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1423 kg | 1235 kg |
| Vehicle Length | 4500 mm | 4520 mm |
| Vehicle Width | 1700 mm | 1710 mm |
| Vehicle Height | 1610 mm | 1340 mm |
| Wheelbase Size | 2450 mm | 2630 mm |
| Fuel Tank Capacity | 40 L | 69 L |
