1991 Buick Riviera vs. 2009 Subaru Legacy
To start off, 2009 Subaru Legacy is newer by 18 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, 1991 Buick Riviera (170 HP @ 4800 RPM) has 7 more horse power than 2009 Subaru Legacy. (163 HP @ 6800 RPM). In normal driving conditions, 1991 Buick Riviera should accelerate faster than 2009 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Riviera weights approximately 85 kg more than 2009 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Subaru Legacy 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, 2009 Subaru Legacy 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 98 more torque (in Nm) than 2009 Subaru Legacy. (187 Nm @ 3200 RPM). This means 1991 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2009 Subaru Legacy. 1991 Buick Riviera has automatic transmission and 2009 Subaru Legacy has manual transmission. 2009 Subaru Legacy will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Riviera | 2009 Subaru Legacy | |
| Make | Buick | Subaru |
| Model | Riviera | Legacy |
| Year Released | 1991 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Horse Power | 170 HP | 163 HP |
| Engine RPM | 4800 RPM | 6800 RPM |
| Torque | 285 Nm | 187 Nm |
| Torque RPM | 3200 RPM | 3200 RPM |
| Engine Bore Size | 96.5 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 75 mm |
| Engine Compression Ratio | 8.5:1 | 11.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1520 kg | 1435 kg |
| Vehicle Width | 1830 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2680 mm |
