1991 Buick Riviera vs. 2013 GMC Acadia
To start off, 2013 GMC Acadia is newer by 22 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, 2013 GMC Acadia (284 HP @ 6300 RPM) has 114 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2013 GMC Acadia should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Acadia weights approximately 683 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 2013 GMC Acadia is all wheel drive (AWD), it will have significant more traction and grip than 1991 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2013 GMC Acadia 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, 2013 GMC Acadia (366 Nm @ 3400 RPM) has 81 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2013 GMC Acadia will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2013 GMC Acadia | |
| Make | Buick | GMC |
| Model | Riviera | Acadia |
| Year Released | 1991 | 2013 |
| Body Type | Coupe | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 284 HP |
| Engine RPM | 4800 RPM | 6300 RPM |
| Torque | 285 Nm | 366 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Engine Bore Size | 96.5 mm | 94 mm |
| Engine Stroke Size | 86.4 mm | 85 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 2203 kg |
| Vehicle Length | 5040 mm | 5101 mm |
| Vehicle Width | 1830 mm | 2003 mm |
| Vehicle Height | 1350 mm | 1846 mm |
| Wheelbase Size | 2760 mm | 3020 mm |
