2004 Audi A6 vs. 1978 Renault 18
To start off, 2004 Audi A6 is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Renault 18. In addition, the cost of maintenance, including insurance, on 1978 Renault 18 would be higher. At 1,995 cc (4 cylinders), 1978 Renault 18 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (148 HP @ 6000 RPM) has 44 more horse power than 1978 Renault 18. (104 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 473 kg more than 1978 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Renault 18. In wet, icy, snow, or gravel driving conditions, 2004 Audi A6 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, 2004 Audi A6 (235 Nm @ 1750 RPM) has 75 more torque (in Nm) than 1978 Renault 18. (160 Nm @ 3000 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18.
Compare all specifications:
| 2004 Audi A6 | 1978 Renault 18 | |
| Make | Audi | Renault |
| Model | A6 | 18 |
| Year Released | 2004 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 104 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 235 Nm | 160 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 81.1 mm | 88 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1067 kg |
| Vehicle Length | 4800 mm | 4380 mm |
| Vehicle Width | 1820 mm | 1680 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 2770 mm | 2470 mm |
| Fuel Tank Capacity | 70 L | 53 L |
