2009 Audi S5 vs. 1978 Honda Prelude
To start off, 2009 Audi S5 is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Honda Prelude. In addition, the cost of maintenance, including insurance, on 1978 Honda Prelude would be higher. At 4,163 cc (8 cylinders), 2009 Audi S5 is equipped with a bigger engine. In terms of performance, 2009 Audi S5 (354 HP @ 6800 RPM) has 265 more horse power than 1978 Honda Prelude. (89 HP @ 5300 RPM). In normal driving conditions, 2009 Audi S5 should accelerate faster than 1978 Honda Prelude. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S5 weights approximately 880 kg more than 1978 Honda Prelude. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi S5 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Honda Prelude. In wet, icy, snow, or gravel driving conditions, 2009 Audi S5 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 S5 (441 Nm @ 3500 RPM) has 300 more torque (in Nm) than 1978 Honda Prelude. (141 Nm @ 3000 RPM). This means 2009 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Honda Prelude.
Compare all specifications:
| 2009 Audi S5 | 1978 Honda Prelude | |
| Make | Audi | Honda |
| Model | S5 | Prelude |
| Year Released | 2009 | 1978 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1750 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 354 HP | 89 HP |
| Engine RPM | 6800 RPM | 5300 RPM |
| Torque | 441 Nm | 141 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 77 mm |
| Engine Stroke Size | 92.8 mm | 94 mm |
| Engine Compression Ratio | 12.5:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1770 kg | 890 kg |
| Vehicle Length | 4640 mm | 4100 mm |
| Vehicle Width | 1990 mm | 1640 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2760 mm | 2330 mm |
| Fuel Tank Capacity | 63 L | 50 L |
