2013 BMW 6 series Gran Coupe 650i vs. 2013 BMW 6 series Convertible 650i
To start off, both 2013 BMW 6 series Gran Coupe 650i and 2013 BMW 6 series Convertible 650i were released in the same year (2013). Therefore the support and the availability on parts for both vehicles should be relatively similar. Both 2013 BMW 6 series Gran Coupe 650i and 2013 BMW 6 series Convertible 650i are equipped with a 4,395 cc engine. In terms of performance, 2013 BMW 6 series Convertible 650i (439 HP @ 6000 RPM) has 2 more horse power than 2013 BMW 6 series Gran Coupe 650i. (437 HP @ 5500 RPM) In normal driving conditions, 2013 BMW 6 series Convertible 650i should accelerate faster than 2013 BMW 6 series Gran Coupe 650i. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series Convertible 650i weights approximately 41 kg more than 2013 BMW 6 series Gran Coupe 650i. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 6 series Gran Coupe 650i is all wheel drive (AWD), it will have significant more traction and grip than 2013 BMW 6 series Convertible 650i. In wet, icy, snow, or gravel driving conditions, 2013 BMW 6 series Gran Coupe 650i 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, both vehicles can yield 651 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2013 BMW 6 series Gran Coupe 650i has automatic transmission and 2013 BMW 6 series Convertible 650i has manual transmission. 2013 BMW 6 series Convertible 650i will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 6 series Gran Coupe 650i will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2013 BMW 6 series Gran Coupe 650i | 2013 BMW 6 series Convertible 650i | |
| Make | BMW | BMW |
| Model | 6 series | 6 series |
| Year Released | 2013 | 2013 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4395 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 437 HP | 439 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 651 Nm | 651 Nm |
| Torque RPM | 4500 RPM | 4500 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 89 mm | 89 mm |
| Engine Compression Ratio | 10.0 :1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.5 seconds | 4.5 seconds |
| Drive Type | AWD | Rear |
| Transmission Type | 8-speed shiftable automatic | 6-speed manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2009 kg | 2050 kg |
| Vehicle Length | 5009 mm | 4897 mm |
| Vehicle Width | 2081 mm | 1895 mm |
| Vehicle Height | 1392 mm | 1364 mm |
| Wheelbase Size | 2968 mm | 2855 mm |
| Fuel Tank Capacity | 70 L | 70 L |
