2004 BMW 630 vs. 1991 Buick Riviera
To start off, 2004 BMW 630 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1991 Buick Riviera would be higher. At 3,800 cc (6 cylinders), 1991 Buick Riviera is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 84 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM). In normal driving conditions, 2004 BMW 630 should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 630 weights approximately 256 kg more than 1991 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 BMW 630 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2004 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 1991 Buick Riviera, being front wheel drive (FWD), will offer much better control with better grip. 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, 2004 BMW 630 (300 Nm @ 2500 RPM) has 15 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2004 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
2004 BMW 630 | 1991 Buick Riviera | |
Make | BMW | Buick |
Model | 630 | Riviera |
Year Released | 2004 | 1991 |
Body Type | Convertible | Coupe |
Engine Position | Front | Front |
Engine Size | 2983 cc | 3800 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 254 HP | 170 HP |
Engine RPM | 6600 RPM | 4800 RPM |
Torque | 300 Nm | 285 Nm |
Torque RPM | 2500 RPM | 3200 RPM |
Engine Bore Size | 85 mm | 96.5 mm |
Engine Stroke Size | 88 mm | 86.4 mm |
Engine Compression Ratio | 10.7:1 | 8.5:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1776 kg | 1520 kg |
Vehicle Length | 4830 mm | 5040 mm |
Vehicle Width | 1860 mm | 1830 mm |
Vehicle Height | 1380 mm | 1350 mm |
Wheelbase Size | 2730 mm | 2760 mm |