1991 Buick Riviera vs. 2008 Mercedes-Benz R
To start off, 2008 Mercedes-Benz R is newer by 17 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, 2008 Mercedes-Benz R (187 HP @ 4000 RPM) has 17 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2008 Mercedes-Benz R should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 730 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 2008 Mercedes-Benz R 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, 2008 Mercedes-Benz R 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, 2008 Mercedes-Benz R (440 Nm @ 1400 RPM) has 155 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2008 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
1991 Buick Riviera | 2008 Mercedes-Benz R | |
Make | Buick | Mercedes-Benz |
Model | Riviera | R |
Year Released | 1991 | 2008 |
Body Type | Coupe | Minivan |
Engine Position | Front | Front |
Engine Size | 3800 cc | 2987 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Horse Power | 170 HP | 187 HP |
Engine RPM | 4800 RPM | 4000 RPM |
Torque | 285 Nm | 440 Nm |
Torque RPM | 3200 RPM | 1400 RPM |
Engine Bore Size | 96.5 mm | 83 mm |
Engine Stroke Size | 86.4 mm | 92 mm |
Engine Compression Ratio | 8.5:1 | 17.7:1 |
Fuel Type | Gasoline | Diesel |
Drive Type | Front | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 6 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1520 kg | 2250 kg |
Vehicle Length | 5040 mm | 4940 mm |
Vehicle Width | 1830 mm | 1930 mm |
Vehicle Height | 1350 mm | 1670 mm |
Wheelbase Size | 2760 mm | 2990 mm |