1998 Buick Riviera vs. 1991 Jaguar XJ6
To start off, 1998 Buick Riviera is newer by 7 year(s). Which means there will be less support and parts availability for 1991 Jaguar XJ6. In addition, the cost of maintenance, including insurance, on 1991 Jaguar XJ6 would be higher. At 4,130 cc (6 cylinders), 1998 Buick Riviera is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJ6 (224 HP @ 4750 RPM) has 99 more horse power than 1998 Buick Riviera. (125 HP @ 4000 RPM) In normal driving conditions, 1991 Jaguar XJ6 should accelerate faster than 1998 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJ6 weights approximately 159 kg more than 1998 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Jaguar XJ6 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 1991 Jaguar XJ6. However, in wet, icy, snow, or gravel driving conditions, 1998 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, 1991 Jaguar XJ6 (377 Nm @ 3650 RPM) has 90 more torque (in Nm) than 1998 Buick Riviera. (287 Nm @ 2000 RPM). This means 1991 Jaguar XJ6 will have an easier job in driving up hills or pulling heavy equipment than 1998 Buick Riviera.
Compare all specifications:
| 1998 Buick Riviera | 1991 Jaguar XJ6 | |
| Make | Buick | Jaguar |
| Model | Riviera | XJ6 |
| Year Released | 1998 | 1991 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4130 cc | 3980 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 125 HP | 224 HP |
| Engine RPM | 4000 RPM | 4750 RPM |
| Torque | 287 Nm | 377 Nm |
| Torque RPM | 2000 RPM | 3650 RPM |
| Engine Bore Size | 100.7 mm | 91 mm |
| Engine Stroke Size | 86.4 mm | 102 mm |
| Engine Compression Ratio | 8.0:1 | 9.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1666 kg | 1825 kg |
| Vehicle Length | 5230 mm | 4940 mm |
| Vehicle Width | 2040 mm | 2010 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2780 mm | 2880 mm |
