2006 Acura RL vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Acura RL. In addition, the cost of maintenance, including insurance, on 2006 Acura RL would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 51 more horse power than 2006 Acura RL. (290 HP @ 6200 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 2006 Acura RL.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 63 more torque (in Nm) than 2006 Acura RL. (347 Nm @ 5000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Acura RL. 2006 Acura RL has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Acura RL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Acura RL | 2007 Audi S4 | |
| Make | Acura | Audi |
| Model | RL | S4 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3474 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 290 HP | 341 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 347 Nm | 410 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 84.6 mm |
| Engine Stroke Size | 93 mm | 92.7 mm |
| Engine Compression Ratio | 9.8:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4920 mm | 4590 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2810 mm | 2650 mm |
| Fuel Tank Capacity | 73 L | 63 L |
