2008 Audi A8 vs. 2005 Mazda MX-5 Miata
To start off, 2008 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Mazda MX-5 Miata. In addition, the cost of maintenance, including insurance, on 2005 Mazda MX-5 Miata would be higher. At 3,936 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (271 HP @ 3750 RPM) has 163 more horse power than 2005 Mazda MX-5 Miata. (108 HP @ 6500 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Mazda MX-5 Miata. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 834 kg more than 2005 Mazda MX-5 Miata. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mazda MX-5 Miata. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2008 Audi A8 (650 Nm @ 1800 RPM) has 516 more torque (in Nm) than 2005 Mazda MX-5 Miata. (134 Nm @ 5000 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda MX-5 Miata. 2008 Audi A8 has automatic transmission and 2005 Mazda MX-5 Miata has manual transmission. 2005 Mazda MX-5 Miata will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 2005 Mazda MX-5 Miata | |
| Make | Audi | Mazda |
| Model | A8 | MX-5 Miata |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 1597 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 108 HP |
| Engine RPM | 3750 RPM | 6500 RPM |
| Torque | 650 Nm | 134 Nm |
| Torque RPM | 1800 RPM | 5000 RPM |
| Engine Bore Size | 81 mm | 78 mm |
| Engine Stroke Size | 95.5 mm | 83.6 mm |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 191 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 9.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1944 kg | 1110 kg |
| Vehicle Length | 5190 mm | 3980 mm |
| Vehicle Width | 1900 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1230 mm |
| Wheelbase Size | 3080 mm | 2270 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 90 L | 50 L |
