1991 Buick Riviera vs. 2008 Rolls-Royce Phantom Drophead Coupe
To start off, 2008 Rolls-Royce Phantom Drophead Coupe is newer by 17 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 6,749 cc (12 cylinders), 2008 Rolls-Royce Phantom Drophead Coupe is equipped with a bigger engine. In terms of performance, 2008 Rolls-Royce Phantom Drophead Coupe (448 HP @ 5350 RPM) has 278 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2008 Rolls-Royce Phantom Drophead Coupe should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2008 Rolls-Royce Phantom Drophead Coupe weights approximately 1100 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 2008 Rolls-Royce Phantom Drophead Coupe 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 2008 Rolls-Royce Phantom Drophead Coupe. 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, 2008 Rolls-Royce Phantom Drophead Coupe (531 Nm @ 3500 RPM) has 246 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2008 Rolls-Royce Phantom Drophead Coupe will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2008 Rolls-Royce Phantom Drophead Coupe | |
| Make | Buick | Rolls-Royce |
| Model | Riviera | Phantom Drophead Coupe |
| Year Released | 1991 | 2008 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 6749 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 448 HP |
| Engine RPM | 4800 RPM | 5350 RPM |
| Torque | 285 Nm | 531 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 96.5 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 84.6 mm |
| Engine Compression Ratio | 8.5:1 | 11.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1520 kg | 2620 kg |
| Vehicle Length | 5040 mm | 5840 mm |
| Vehicle Height | 1350 mm | 1640 mm |
| Wheelbase Size | 2760 mm | 3580 mm |
