2009 Audi A8 vs. 1984 Renault 18
To start off, 2009 Audi A8 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Renault 18. In addition, the cost of maintenance, including insurance, on 1984 Renault 18 would be higher. At 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (272 HP @ 3750 RPM) has 165 more horse power than 1984 Renault 18. (107 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 1984 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 805 kg more than 1984 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1984 Renault 18. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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, 2009 Audi A8 (650 Nm @ 1800 RPM) has 486 more torque (in Nm) than 1984 Renault 18. (164 Nm @ 3250 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1984 Renault 18.
Compare all specifications:
| 2009 Audi A8 | 1984 Renault 18 | |
| Make | Audi | Renault |
| Model | A8 | 18 |
| Year Released | 2009 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 272 HP | 107 HP |
| Engine RPM | 3750 RPM | 5500 RPM |
| Torque | 650 Nm | 164 Nm |
| Torque RPM | 1800 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 88 mm |
| Engine Stroke Size | 95.5 mm | 82 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1135 kg |
| Vehicle Length | 5190 mm | 4410 mm |
| Vehicle Width | 1900 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 3080 mm | 2470 mm |
| Fuel Tank Capacity | 90 L | 53 L |
