2005 Audi S4 vs. 2006 Mercedes-Benz R
To start off, 2006 Mercedes-Benz R is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 153 more horse power than 2006 Mercedes-Benz R. (187 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2006 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz R weights approximately 380 kg more than 2005 Audi S4.
Let's talk about torque, 2006 Mercedes-Benz R (441 Nm) has 31 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2006 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2006 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | R |
| Year Released | 2005 | 2006 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2987 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 187 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 410 Nm | 441 Nm |
| Engine Bore Size | 85 mm | 83 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1840 kg | 2220 kg |
| Vehicle Length | 4580 mm | 4930 mm |
| Vehicle Width | 1780 mm | 1930 mm |
| Vehicle Height | 1400 mm | 1660 mm |
| Wheelbase Size | 2660 mm | 2990 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
