2002 Alfa Romeo 156 vs. 2005 Mercedes-Benz Bionic Car Concept
To start off, 2005 Mercedes-Benz Bionic Car Concept is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 1,991 cc (4 cylinders), 2005 Mercedes-Benz Bionic Car Concept is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (164 HP @ 6400 RPM) has 26 more horse power than 2005 Mercedes-Benz Bionic Car Concept. (138 HP @ 4200 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2005 Mercedes-Benz Bionic Car Concept. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 145 kg more than 2005 Mercedes-Benz Bionic Car Concept. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Mercedes-Benz Bionic Car Concept (300 Nm @ 1600 RPM) has 94 more torque (in Nm) than 2002 Alfa Romeo 156. (206 Nm @ 3250 RPM). This means 2005 Mercedes-Benz Bionic Car Concept will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 156.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2005 Mercedes-Benz Bionic Car Concept | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | Bionic Car Concept |
| Year Released | 2002 | 2005 |
| Engine Size | 1970 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 164 HP | 138 HP |
| Engine RPM | 6400 RPM | 4200 RPM |
| Torque | 206 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 1600 RPM |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Acceleration 0-100mph | 8.2 seconds | 8.2 seconds |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1410 kg | 1265 kg |
| Vehicle Length | 4450 mm | 4250 mm |
| Vehicle Width | 1750 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1600 mm |
| Wheelbase Size | 2600 mm | 2570 mm |
| Fuel Tank Capacity | 63 L | 62 L |
