1991 Buick Riviera vs. 2009 Chevrolet Optra
To start off, 2009 Chevrolet Optra 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, 1991 Buick Riviera (170 HP) has 62 more horse power than 2009 Chevrolet Optra. (108 HP). In normal driving conditions, 1991 Buick Riviera should accelerate faster than 2009 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Riviera weights approximately 259 kg more than 2009 Chevrolet Optra. 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, 1991 Buick Riviera (285 Nm @ 3200 RPM) has 135 more torque (in Nm) than 2009 Chevrolet Optra. (150 Nm @ 4000 RPM). This means 1991 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet Optra. 1991 Buick Riviera has automatic transmission and 2009 Chevrolet Optra has manual transmission. 2009 Chevrolet Optra 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 Chevrolet Optra | |
Make | Buick | Chevrolet |
Model | Riviera | Optra |
Year Released | 1991 | 2009 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 3800 cc | 1597 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 170 HP | 108 HP |
Torque | 285 Nm | 150 Nm |
Torque RPM | 3200 RPM | 4000 RPM |
Engine Bore Size | 96.5 mm | 79 mm |
Engine Stroke Size | 86.4 mm | 81.5 mm |
Engine Compression Ratio | 8.5:1 | 9.5:1 |
Fuel Type | Gasoline | Gasoline |
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 | 1261 kg |
Vehicle Length | 5040 mm | 4510 mm |
Vehicle Width | 1830 mm | 1730 mm |
Vehicle Height | 1350 mm | 1450 mm |
Wheelbase Size | 2760 mm | 2610 mm |