1999 Buick Riviera vs. 2013 BMW X5
To start off, 2013 BMW X5 is newer by 14 year(s). Which means there will be less support and parts availability for 1999 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1999 Buick Riviera would be higher. At 3,791 cc (6 cylinders), 1999 Buick Riviera is equipped with a bigger engine. In terms of performance, 2013 BMW X5 (261 HP @ 4200 RPM) has 56 more horse power than 1999 Buick Riviera. (205 HP @ 5200 RPM) In normal driving conditions, 2013 BMW X5 should accelerate faster than 1999 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X5 weights approximately 655 kg more than 1999 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1999 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 BMW X5 (576 Nm @ 2250 RPM) has 264 more torque (in Nm) than 1999 Buick Riviera. (312 Nm @ 4000 RPM). This means 2013 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Riviera.
Compare all specifications:
| 1999 Buick Riviera | 2013 BMW X5 | |
| Make | Buick | BMW |
| Model | Riviera | X5 |
| Year Released | 1999 | 2013 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 261 HP |
| Engine RPM | 5200 RPM | 4200 RPM |
| Torque | 312 Nm | 576 Nm |
| Torque RPM | 4000 RPM | 2250 RPM |
| Engine Bore Size | 96.5 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 9.4:1 | 17 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1700 kg | 2355 kg |
| Vehicle Length | 5270 mm | 4857 mm |
| Vehicle Width | 1910 mm | 2197 mm |
| Vehicle Height | 1400 mm | 1776 mm |
