| Clear list | | |
| Totals |
BMW 1er (2007-2011) 2.0 (123d) convertible
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Mercedes C (2014-2018) 2.1 (C250 CDI Cabrio)
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| Mark | BMW | Mercedes |
| Model | 1er (2007-2011) 2.0 (123d) convertible | C (2014-2018) 2.1 (C250 CDI Cabrio) |
| Year | 2007-2011 | 2016 |
| Number of doors/seats | 2/4 | 2/4 |
| Body type | Cabriolet | Cabriolet |
| Unladen Weight | 1615 | 1770 |
| Gross Weight Limit | 1980 | 2250 |
| Top Speed, km/h | 230 | 243 |
| Acceleration 0-100 kph | 7.5 | 7.2 |
| Minimum turning radius, m | - | 5.6 |
| Cargo Volume, min/max, L | 260 | 285/360 |
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| Dimensions specifications, mm |
BMW 1er (2007-2011) 2.0 (123d) convertible
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Mercedes C (2014-2018) 2.1 (C250 CDI Cabrio)
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| Length | 4360 | 4686 |
| Width | 1748 | 1810 |
| Height | 1411 | 1409 |
| Wheelbase | 2660 | 2840 |
| Front/rear Track | 1484/1517 | 1563/1546 |
| Ground clearance | 145 | - |
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| Engine specifications |
BMW 1er (2007-2011) 2.0 (123d) convertible
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Mercedes C (2014-2018) 2.1 (C250 CDI Cabrio)
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| Type | turbo diesel / direct injection | turbo diesel Common Rail |
| Displacement, cm3 | 1995 | 2143 |
| Compression ratio | 16 | 16.2 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 84x90 | 83x99 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 204/4400 | 204/3800 |
| Max torque, Nm/RPM | 400/2000-2250 | 500/1600-1800 |
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| Transmission specifications |
BMW 1er (2007-2011) 2.0 (123d) convertible
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Mercedes C (2014-2018) 2.1 (C250 CDI Cabrio)
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| Gearbox | 6-speed manual / 6-speed automatic | 9-speed automatic |
| Drive Type | Rear wheel drive (Dynamic Stability Control DSC) | Four-wheel drive |
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| Suspension specifications |
BMW 1er (2007-2011) 2.0 (123d) convertible
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Mercedes C (2014-2018) 2.1 (C250 CDI Cabrio)
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| Front |
Upper and lower A-arm (double wishbone) |
Upper and lower A-arm (double wishbone) |
| Rear |
multi-link suspensions |
multi-link suspensions |
| Tire Size | 195/55/16, 205/55/16
| 225/50 R17
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| Disk | 5x120 ET44 d72.6
| 5x112 ET43 d66.6
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| Brakes specifications |
BMW 1er (2007-2011) 2.0 (123d) convertible
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Mercedes C (2014-2018) 2.1 (C250 CDI Cabrio)
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| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
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| Fuel consumption specifications, L/100 km |
BMW 1er (2007-2011) 2.0 (123d) convertible
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Mercedes C (2014-2018) 2.1 (C250 CDI Cabrio)
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| City | 6.5 | 5.4 |
| Highway | 4.5 | 4.5 |
| Combined | 5.3 | 4.9 |
| Fuel | Diesel | Diesel |
| Tank, L | 51 | 41 |
| Clear list | | |
