1991 Buick Riviera vs. 2011 BMW 325
To start off, 2011 BMW 325 is newer by 20 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, 2011 BMW 325 (215 HP @ 6500 RPM) has 45 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2011 BMW 325 should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 325 weights approximately 155 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 2011 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2011 BMW 325 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, 1991 Buick Riviera (285 Nm @ 3200 RPM) has 35 more torque (in Nm) than 2011 BMW 325. (250 Nm @ 2750 RPM). This means 1991 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW 325.
Compare all specifications:
| 1991 Buick Riviera | 2011 BMW 325 | |
| Make | Buick | BMW |
| Model | Riviera | 325 |
| Year Released | 1991 | 2011 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 215 HP |
| Engine RPM | 4800 RPM | 6500 RPM |
| Torque | 285 Nm | 250 Nm |
| Torque RPM | 3200 RPM | 2750 RPM |
| Engine Bore Size | 96.5 mm | 82 mm |
| Engine Stroke Size | 86.4 mm | 78.8 mm |
| Engine Compression Ratio | 8.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1675 kg |
| Vehicle Length | 5040 mm | 4530 mm |
| Vehicle Width | 1830 mm | 1820 mm |
| Vehicle Height | 1350 mm | 1420 mm |
| Wheelbase Size | 2760 mm | 2770 mm |
