2009 Audi R8 vs. 2009 Fiat Siena
To start off, both 2009 Audi R8 and 2009 Fiat Siena were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,163 cc (8 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (414 HP @ 7800 RPM) has 308 more horse power than 2009 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2009 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi R8 weights approximately 470 kg more than 2009 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2009 Audi R8 will offer significantly more control. 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, 2009 Audi R8 (430 Nm @ 4500 RPM) has 290 more torque (in Nm) than 2009 Fiat Siena. (140 Nm @ 4000 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena. 2009 Audi R8 has automatic transmission and 2009 Fiat Siena has manual transmission. 2009 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi R8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi R8 | 2009 Fiat Siena | |
| Make | Audi | Fiat |
| Model | R8 | Siena |
| Year Released | 2009 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 1581 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 106 HP |
| Engine RPM | 7800 RPM | 5500 RPM |
| Torque | 430 Nm | 140 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 86.5 mm |
| Engine Stroke Size | 92.8 mm | 67.4 mm |
| Engine Compression Ratio | 12.5:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 4.6 seconds | 10.5 seconds |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1095 kg |
| Vehicle Length | 4440 mm | 3550 mm |
| Vehicle Width | 1910 mm | 1640 mm |
| Vehicle Height | 1260 mm | 1490 mm |
| Wheelbase Size | 2660 mm | 2370 mm |
| Fuel Consumption Overall | 13.8 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 75 L | 47 L |
