1991 Buick Riviera vs. 2011 Ascari KZ1
To start off, 2011 Ascari KZ1 is newer by 20 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 4,941 cc (8 cylinders), 2011 Ascari KZ1 is equipped with a bigger engine. In terms of performance, 2011 Ascari KZ1 (500 HP @ 7000 RPM) has 330 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2011 Ascari KZ1 should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Riviera weights approximately 170 kg more than 2011 Ascari KZ1.
Because 2011 Ascari KZ1 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 Ascari KZ1. However, in wet, icy, snow, or gravel driving conditions, 1991 Buick Riviera, being front wheel drive (FWD), will offer much better control with better grip. 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, 2011 Ascari KZ1 (550 Nm @ 4500 RPM) has 265 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2011 Ascari KZ1 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera. 1991 Buick Riviera has automatic transmission and 2011 Ascari KZ1 has manual transmission. 2011 Ascari KZ1 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 | 2011 Ascari KZ1 | |
| Make | Buick | Ascari |
| Model | Riviera | KZ1 |
| Year Released | 1991 | 2011 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3800 cc | 4941 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 500 HP |
| Engine RPM | 4800 RPM | 7000 RPM |
| Torque | 285 Nm | 550 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Engine Bore Size | 96.5 mm | 94 mm |
| Engine Stroke Size | 86.4 mm | 89 mm |
| Engine Compression Ratio | 8.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1520 kg | 1350 kg |
| Vehicle Length | 5040 mm | 4300 mm |
| Vehicle Width | 1830 mm | 1852 mm |
| Vehicle Height | 1350 mm | 1138 mm |
| Wheelbase Size | 2760 mm | 2636 mm |
