2009 Audi R8 vs. 1978 Renault 18
To start off, 2009 Audi R8 is newer by 31 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 4,163 cc (8 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (414 HP @ 7800 RPM) has 336 more horse power than 1978 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi R8 weights approximately 595 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 2009 Audi R8 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, 2009 Audi R8 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 R8 (430 Nm @ 4500 RPM) has 297 more torque (in Nm) than 1978 Renault 18. (133 Nm @ 3000 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18. 2009 Audi R8 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. 2009 Audi R8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi R8 | 1978 Renault 18 | |
| Make | Audi | Renault |
| Model | R8 | 18 |
| Year Released | 2009 | 1978 |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 1645 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 414 HP | 78 HP |
| Engine RPM | 7800 RPM | 5000 RPM |
| Torque | 430 Nm | 133 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 83.5 mm |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1565 kg | 970 kg |
| Vehicle Length | 4440 mm | 4390 mm |
| Vehicle Width | 1910 mm | 1710 mm |
| Vehicle Height | 1260 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2450 mm |
| Fuel Tank Capacity | 75 L | 53 L |
