1991 Buick Riviera vs. 2009 Cadillac BLS
To start off, 2009 Cadillac BLS 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, 2009 Cadillac BLS (252 HP @ 5500 RPM) has 82 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2009 Cadillac BLS should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac BLS weights approximately 115 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.
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, 2009 Cadillac BLS (365 Nm @ 1800 RPM) has 80 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2009 Cadillac BLS will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera. 1991 Buick Riviera has automatic transmission and 2009 Cadillac BLS has manual transmission. 2009 Cadillac BLS 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 Cadillac BLS | |
Make | Buick | Cadillac |
Model | Riviera | BLS |
Year Released | 1991 | 2009 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 3800 cc | 2792 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Horse Power | 170 HP | 252 HP |
Engine RPM | 4800 RPM | 5500 RPM |
Torque | 285 Nm | 365 Nm |
Torque RPM | 3200 RPM | 1800 RPM |
Engine Bore Size | 96.5 mm | 89.1 mm |
Engine Stroke Size | 86.4 mm | 74.8 mm |
Engine Compression Ratio | 8.5:1 | 9.5:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Front | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1520 kg | 1635 kg |
Vehicle Length | 5040 mm | 4690 mm |
Vehicle Width | 1830 mm | 1760 mm |
Vehicle Height | 1350 mm | 1480 mm |
Wheelbase Size | 2760 mm | 2680 mm |