2006 Chevrolet Optra vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 7 year(s). Which means there will be less support and parts availability for 2006 Chevrolet Optra. In addition, the cost of maintenance, including insurance, on 2006 Chevrolet Optra would be higher. At 4,395 cc (8 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 319 more horse power than 2006 Chevrolet Optra. (120 HP @ 5800 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 2006 Chevrolet Optra.
Because 2013 BMW 7 Series is all wheel drive (AWD), it will have significant more traction and grip than 2006 Chevrolet Optra. In wet, icy, snow, or gravel driving conditions, 2013 BMW 7 Series 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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 486 more torque (in Nm) than 2006 Chevrolet Optra. (165 Nm @ 4000 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 2006 Chevrolet Optra. 2013 BMW 7 Series has automatic transmission and 2006 Chevrolet Optra has manual transmission. 2006 Chevrolet Optra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 7 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Chevrolet Optra | 2013 BMW 7 Series | |
| Make | Chevrolet | BMW |
| Model | Optra | 7 Series |
| Year Released | 2006 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 4395 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 439 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 165 Nm | 651 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 81.6 mm | 89 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 9.8:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4440 mm | 5074 mm |
| Vehicle Width | 1730 mm | 2134 mm |
| Vehicle Height | 1460 mm | 1471 mm |
| Wheelbase Size | 2610 mm | 3070 mm |
| Fuel Tank Capacity | 60 L | 80 L |
