1977 Renault 15 vs. 2006 Smart Roadster
To start off, 2006 Smart Roadster is newer by 29 year(s). Which means there will be less support and parts availability for 1977 Renault 15. In addition, the cost of maintenance, including insurance, on 1977 Renault 15 would be higher. At 1,289 cc (4 cylinders), 1977 Renault 15 is equipped with a bigger engine. In terms of performance, 2006 Smart Roadster (100 HP @ 5250 RPM) has 41 more horse power than 1977 Renault 15. (59 HP @ 5500 RPM) In normal driving conditions, 2006 Smart Roadster should accelerate faster than 1977 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2006 Smart Roadster weights approximately 5 kg more than 1977 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 Smart Roadster (130 Nm @ 2500 RPM) has 32 more torque (in Nm) than 1977 Renault 15. (98 Nm @ 3500 RPM). This means 2006 Smart Roadster will have an easier job in driving up hills or pulling heavy equipment than 1977 Renault 15.
Compare all specifications:
| 1977 Renault 15 | 2006 Smart Roadster | |
| Make | Renault | Smart |
| Model | 15 | Roadster |
| Year Released | 1977 | 2006 |
| Engine Position | Front | Rear |
| Engine Size | 1289 cc | 696 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 100 HP |
| Engine RPM | 5500 RPM | 5250 RPM |
| Torque | 98 Nm | 130 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 75 mm | 66.5 mm |
| Engine Stroke Size | 69 mm | 67 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 965 kg | 970 kg |
| Vehicle Length | 4270 mm | 3430 mm |
| Vehicle Width | 1640 mm | 1620 mm |
| Vehicle Height | 1320 mm | 1200 mm |
| Wheelbase Size | 2440 mm | 2370 mm |
| Fuel Tank Capacity | 55 L | 35 L |
