Suspension component failures are the fault most likely to cause a car to fail its first MOT. The ABS is the second most likely part to cause extra expense at the first MOT, costing £667.00 to fix, and the turbocharger is the most costly repair item on the list, coming in at more than £750.00.
The average repair cost for cars typically coming out of their manufacturer warranty period and needing repairs at their first MOT is £338.00. Parts most likely to fail between years three and four are springs and shocks, ABS system, upper and lower arms, turbo, and exhaust sytem.
(As reported in the August/September 2011 edition of the RMI's Automotive Insight|Forecourt magazine)