1999 Audi S8 vs. 2009 GMC Envoy
To start off, 2009 GMC Envoy is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 would be higher. At 5,328 cc (8 cylinders), 2009 GMC Envoy is equipped with a bigger engine. In terms of performance, 2009 GMC Envoy (300 HP) has 53 more horse power than 1999 Audi S8. (247 HP) In normal driving conditions, 2009 GMC Envoy should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Envoy weights approximately 909 kg more than 1999 Audi S8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 GMC Envoy (435 Nm @ 4000 RPM) has 105 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2009 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2009 GMC Envoy | |
| Make | Audi | GMC |
| Model | S8 | Envoy |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 5328 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 300 HP |
| Torque | 330 Nm | 435 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1750 kg | 2659 kg |
| Vehicle Length | 5040 mm | 4870 mm |
| Vehicle Width | 1890 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1830 mm |
| Wheelbase Size | 2890 mm | 2880 mm |
| Fuel Consumption | 9.5 L/100km | 11.8 L/100km |
| Fuel Consumption City | 21.7 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 13.9 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 90 L | 83 L |
