1999 Audi S8 vs. 1991 Buick Riviera
To start off, 1999 Audi S8 is newer by 8 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 4,172 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 165 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 210 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 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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, 1999 Audi S8 (331 Nm @ 3400 RPM) has 46 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera. 1991 Buick Riviera has automatic transmission and 1999 Audi S8 has manual transmission. 1999 Audi S8 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:
1999 Audi S8 | 1991 Buick Riviera | |
Make | Audi | Buick |
Model | S8 | Riviera |
Year Released | 1999 | 1991 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 4172 cc | 3800 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Horse Power | 335 HP | 170 HP |
Engine RPM | 7000 RPM | 4800 RPM |
Torque | 331 Nm | 285 Nm |
Torque RPM | 3400 RPM | 3200 RPM |
Engine Bore Size | 84.5 mm | 96.5 mm |
Engine Stroke Size | 93 mm | 86.4 mm |
Drive Type | AWD | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1730 kg | 1520 kg |
Vehicle Length | 5040 mm | 5040 mm |
Vehicle Width | 1890 mm | 1830 mm |
Vehicle Height | 1420 mm | 1350 mm |
Wheelbase Size | 2890 mm | 2760 mm |