2005 BMW 320 vs. 2006 Smart Roadster
To start off, 2006 Smart Roadster is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 would be higher. At 1,995 cc (4 cylinders), 2005 BMW 320 is equipped with a bigger engine. In terms of performance, 2005 BMW 320 (141 HP @ 4000 RPM) has 60 more horse power than 2006 Smart Roadster. (81 HP @ 5250 RPM). In normal driving conditions, 2005 BMW 320 should accelerate faster than 2006 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 320 weights approximately 629 kg more than 2006 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2005 BMW 320 (330 Nm @ 2000 RPM) has 220 more torque (in Nm) than 2006 Smart Roadster. (110 Nm @ 3000 RPM). This means 2005 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster. 2006 Smart Roadster has automatic transmission and 2005 BMW 320 has manual transmission. 2005 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Smart Roadster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 320 | 2006 Smart Roadster | |
| Make | BMW | Smart |
| Model | 320 | Roadster |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 698 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 141 HP | 81 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 330 Nm | 110 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 66.5 mm |
| Engine Stroke Size | 90 mm | 67 mm |
| Engine Compression Ratio | 17.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 216 km/hour | 175 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 10.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1494 kg | 865 kg |
| Vehicle Length | 4480 mm | 3430 mm |
| Vehicle Width | 1750 mm | 1620 mm |
| Vehicle Height | 1420 mm | 1200 mm |
| Wheelbase Size | 2770 mm | 2370 mm |
| Fuel Consumption Overall | 5.8 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 63 L | 35 L |
