2005 Mercedes-Benz R vs. 1991 Opel Calibra
To start off, 2005 Mercedes-Benz R is newer by 14 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 3,498 cc (6 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (268 HP) has 153 more horse power than 1991 Opel Calibra. (115 HP). In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 1991 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 1015 kg more than 1991 Opel Calibra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 Mercedes-Benz R (350 Nm @ 2400 RPM) has 176 more torque (in Nm) than 1991 Opel Calibra. (174 Nm @ 2600 RPM). This means 2005 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Calibra. 2005 Mercedes-Benz R 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. 2005 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mercedes-Benz R | 1991 Opel Calibra | |
| Make | Mercedes-Benz | Opel |
| Model | R | Calibra |
| Year Released | 2005 | 1991 |
| Body Type | Minivan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 268 HP | 115 HP |
| Torque | 350 Nm | 174 Nm |
| Torque RPM | 2400 RPM | 2600 RPM |
| Top Speed | 225 km/hour | 246 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2205 kg | 1190 kg |
| Vehicle Length | 5160 mm | 4500 mm |
| Vehicle Width | 1930 mm | 1680 mm |
| Vehicle Height | 1660 mm | 1330 mm |
| Wheelbase Size | 3220 mm | 2610 mm |
| Fuel Tank Capacity | 80 L | 75 L |
