1977 Audi 100 vs. 2005 Smart Roadster
To start off, 2005 Smart Roadster is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Audi 100. In addition, the cost of maintenance, including insurance, on 1977 Audi 100 would be higher. At 2,144 cc (5 cylinders), 1977 Audi 100 is equipped with a bigger engine. In terms of performance, 1977 Audi 100 (115 HP @ 5500 RPM) has 34 more horse power than 2005 Smart Roadster. (81 HP @ 5250 RPM). In normal driving conditions, 1977 Audi 100 should accelerate faster than 2005 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 1977 Audi 100 weights approximately 272 kg more than 2005 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Smart Roadster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Smart Roadster. However, in wet, icy, snow, or gravel driving conditions, 1977 Audi 100, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 Audi 100 (166 Nm @ 4000 RPM) has 56 more torque (in Nm) than 2005 Smart Roadster. (110 Nm @ 2250 RPM). This means 1977 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2005 Smart Roadster.
Compare all specifications:
| 1977 Audi 100 | 2005 Smart Roadster | |
| Make | Audi | Smart |
| Model | 100 | Roadster |
| Year Released | 1977 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 2144 cc | 698 cc |
| Engine Cylinders | 5 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 81 HP |
| Engine RPM | 5500 RPM | 5250 RPM |
| Torque | 166 Nm | 110 Nm |
| Torque RPM | 4000 RPM | 2250 RPM |
| Engine Bore Size | 79.5 mm | 66.5 mm |
| Engine Stroke Size | 86.4 mm | 67 mm |
| Engine Compression Ratio | 8.2:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 888 kg |
| Vehicle Length | 4690 mm | 3430 mm |
| Vehicle Width | 1770 mm | 1620 mm |
| Vehicle Height | 1400 mm | 1200 mm |
| Wheelbase Size | 2680 mm | 2370 mm |
| Fuel Tank Capacity | 58 L | 35 L |
