2007 Audi S8 vs. 1978 Renault 18
To start off, 2007 Audi S8 is newer by 29 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 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 381 more horse power than 1978 Renault 18. (63 HP @ 5500 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 945 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 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1978 Renault 18. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi S8 (540 Nm @ 3500 RPM) has 437 more torque (in Nm) than 1978 Renault 18. (103 Nm @ 3000 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18. 2007 Audi S8 has automatic transmission and 1978 Renault 18 has manual transmission. 1978 Renault 18 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S8 | 1978 Renault 18 | |
| Make | Audi | Renault |
| Model | S8 | 18 |
| Year Released | 2007 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1397 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 63 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 540 Nm | 103 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Compression Ratio | 12.5:1 | 9.2:1 |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 995 kg |
| Vehicle Length | 5070 mm | 4500 mm |
| Vehicle Width | 1900 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2950 mm | 2450 mm |
