2005 BMW X5 vs. 1991 Buick Reatta
To start off, 2005 BMW X5 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Buick Reatta. In addition, the cost of maintenance, including insurance, on 1991 Buick Reatta would be higher. At 3,791 cc (6 cylinders), 1991 Buick Reatta is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 50 more horse power than 1991 Buick Reatta. (165 HP @ 4400 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1991 Buick Reatta. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 638 kg more than 1991 Buick Reatta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Reatta. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 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, 2005 BMW X5 (520 Nm) has 234 more torque (in Nm) than 1991 Buick Reatta. (286 Nm). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Reatta. 1991 Buick Reatta has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Reatta will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 1991 Buick Reatta | |
| Make | BMW | Buick |
| Model | X5 | Reatta |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 165 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 520 Nm | 286 Nm |
| Engine Bore Size | 84 mm | 96.5 mm |
| Engine Stroke Size | 90 mm | 86.4 mm |
| Top Speed | 210 km/hour | 200 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2170 kg | 1532 kg |
| Vehicle Length | 4670 mm | 4670 mm |
| Vehicle Width | 1880 mm | 1860 mm |
| Vehicle Height | 1720 mm | 1310 mm |
| Wheelbase Size | 2830 mm | 2510 mm |
| Fuel Tank Capacity | 93 L | 62 L |
