1991 Buick Riviera vs. 2001 Mercedes-Benz ML
To start off, 2001 Mercedes-Benz ML is newer by 10 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 2 more horse power than 2001 Mercedes-Benz ML. (168 HP @ 4200 RPM). In normal driving conditions, 1991 Buick Riviera should accelerate faster than 2001 Mercedes-Benz ML. With that said, vehicle weight also plays an important factor in acceleration. 2001 Mercedes-Benz ML weights approximately 635 kg more than 1991 Buick Riviera.
Because 2001 Mercedes-Benz ML 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, 2001 Mercedes-Benz ML 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, 2001 Mercedes-Benz ML (370 Nm @ 1600 RPM) has 85 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2001 Mercedes-Benz ML will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera. 1991 Buick Riviera has automatic transmission and 2001 Mercedes-Benz ML has manual transmission. 2001 Mercedes-Benz ML 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 | 2001 Mercedes-Benz ML | |
| Make | Buick | Mercedes-Benz |
| Model | Riviera | ML |
| Year Released | 1991 | 2001 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 2606 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 168 HP |
| Engine RPM | 4800 RPM | 4200 RPM |
| Torque | 285 Nm | 370 Nm |
| Torque RPM | 3200 RPM | 1600 RPM |
| Engine Bore Size | 96.5 mm | 88 mm |
| Engine Stroke Size | 86.4 mm | 88.4 mm |
| Engine Compression Ratio | 8.5:1 | 18.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 2155 kg |
| Vehicle Length | 5040 mm | 4590 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1350 mm | 1830 mm |
| Wheelbase Size | 2760 mm | 2720 mm |
