2004 Alfa Romeo 156 vs. 2005 Mercedes-Benz R
To start off, 2005 Mercedes-Benz R is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 3,498 cc (6 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (268 HP) has 120 more horse power than 2004 Alfa Romeo 156. (148 HP) In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 680 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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 Mercedes-Benz R (350 Nm @ 2400 RPM) has 50 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm @ 2000 RPM). This means 2005 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2005 Mercedes-Benz R has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2005 Mercedes-Benz R | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | R |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 268 HP |
| Torque | 300 Nm | 350 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Engine Compression Ratio | 18.5:1 | 10.7:1 |
| Top Speed | 200 km/hour | 225 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 8.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1525 kg | 2205 kg |
| Vehicle Width | 1750 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1660 mm |
| Wheelbase Size | 2600 mm | 3220 mm |
| Fuel Tank Capacity | 63 L | 80 L |
