1988 Buick Reatta vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1988 Buick Reatta. In addition, the cost of maintenance, including insurance, on 1988 Buick Reatta would be higher. At 3,791 cc (6 cylinders), 1988 Buick Reatta is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (173 HP @ 5500 RPM) has 8 more horse power than 1988 Buick Reatta. (165 HP @ 4800 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 1988 Buick Reatta. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 24 kg more than 1988 Buick Reatta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 1988 Buick Reatta (285 Nm @ 2000 RPM) has 19 more torque (in Nm) than 2006 Opel Signum. (266 Nm @ 2500 RPM). This means 1988 Buick Reatta will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum. 1988 Buick Reatta has automatic transmission and 2006 Opel Signum has manual transmission. 2006 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1988 Buick Reatta will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1988 Buick Reatta | 2006 Opel Signum | |
| Make | Buick | Opel |
| Model | Reatta | Signum |
| Year Released | 1988 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 165 HP | 173 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 285 Nm | 266 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Bore Size | 96.5 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Top Speed | 201 km/hour | 220 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1536 kg | 1560 kg |
| Vehicle Length | 4670 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
| Fuel Tank Capacity | 69 L | 60 L |
