For those looking just for pure economy, the 320d ED ticks the frugal box with 72.4mpg and CO2 emissions of only 99g/km, while still reaching the end of the sprint in just 7.9 seconds.
The full range includes:
| Power (HP) | 0 – 62mph (Seconds) | Combined (mpg) | CO2 Emissions (g/km) | |||
| BMW 318i | 136 | 8.9 | 52.3 (54.3) | 124 (122) | ||
| 320i | 184 | 7.2 | 48.7 (51.4) | 134 (129) | ||
| 330i | 252 | 5.9 | 43.5 | 151 | ||
| 340i | 326 | 5.2 | 36.7 | 179 | ||
| 316d | 116 | 10.7 | 68.9 | 109 | ||
| 318d | 150 | 8.6 | 67.3 | 111 | ||
| 320d | 190 | 7.3 | 67.3 | 111 | ||
| 320d ED | 163 | 7.9 | 72.4 | 102 | ||
| 330d | 258 | 5.6 | 56.5 | 131 | ||
| 335d | 313 | 4.8 | 51.4 | 145 |
However, we’ll have to wait a year until the new BMW 330e plug-in hybrid arrives offering combined fuel consumption of 134.5mpg and CO2 emissions of 49g/km. Its combines a 2.0-litre petrol engine with an electric motor pushing out a combined output of 252hp and combined maximum torque of 420 Nm producing a 0-62mph acceleration time of just 6.3 seconds and a top speed of 140mph. It also claims to run for 22 miles on electric power alone.
