1991 Buick Riviera vs. 2006 Mercedes-Benz A
To start off, 2006 Mercedes-Benz A is newer by 15 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 62 more horse power than 2006 Mercedes-Benz A. (108 HP @ 4200 RPM). In normal driving conditions, 1991 Buick Riviera should accelerate faster than 2006 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz A weights approximately 265 kg more than 1991 Buick Riviera.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 34 more torque (in Nm) than 2006 Mercedes-Benz A. (251 Nm @ 1600 RPM). This means 1991 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz A.
Compare all specifications:
| 1991 Buick Riviera | 2006 Mercedes-Benz A | |
| Make | Buick | Mercedes-Benz |
| Model | Riviera | A |
| Year Released | 1991 | 2006 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 108 HP |
| Engine RPM | 4800 RPM | 4200 RPM |
| Torque | 285 Nm | 251 Nm |
| Torque RPM | 3200 RPM | 1600 RPM |
| Engine Bore Size | 96.5 mm | 83 mm |
| Engine Stroke Size | 86.4 mm | 92 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1785 kg |
| Vehicle Length | 5040 mm | 3840 mm |
| Vehicle Width | 1830 mm | 1770 mm |
| Vehicle Height | 1350 mm | 1600 mm |
| Wheelbase Size | 2760 mm | 2570 mm |
