01Define why an alternative is being considered
Ask whether the customer is looking for a particular mechanical specification, a different budget or simply more sourcing options. If the original request is specifically for C180 vehicles, present a C200 as an explicit alternative. Do not quietly replace the requested model because another car is available. The buyer should understand the reason for the proposal before reviewing its merits.
Start with the identity fields for each candidate. Record production context, original market, body and condition. Two offers with similar advertised years can still describe different builds or registration histories. A comparison that skips those distinctions risks attributing every visible or commercial difference to the badge alone.
02Verify powertrain figures from matching records
Use the actual build information and relevant manufacturer source for each vehicle. Do not apply a C180 or C200 specification from another market or period to fill an empty cell. If the supplier has not verified an engine or transmission description, mark it unresolved and ask for evidence. A neat table is less useful when its apparent precision is unsupported.
The mechanical guide shows why dated regional examples have limits. Compare documented specifications separately from the condition of the installed systems. Published performance can inform a model-level discussion, but it cannot show whether a particular used car has been maintained appropriately or whether an observed issue requires further assessment.
03Compare the functions the customer will use
List essential seats, climate functions, parking equipment, lighting and other relevant features for each actual car. A higher model designation should not be treated as proof of every optional item. Likewise, an exterior styling package may affect appearance without establishing the underlying equipment list. Ask for build evidence and appropriate demonstrations of the functions that matter.
Use the equipment record to distinguish documented installation from checked operation. A well-equipped C180 and a differently specified C200 may require a more nuanced decision than badge ranking suggests. Keep the customer's essential requirements visible at the top of the comparison so decorative preferences do not obscure an unacceptable missing function.
04Bring condition and history onto the same page
If one proposal is new and the other used, state that difference clearly before comparing price. Review registration and delivery evidence for the new candidate, and history plus current-condition evidence for the used one. Neither route provides a universal guarantee about future ownership. The comparison should show the evidence actually available for each car.
For two used candidates, request a comparable inspection scope and examine the history timeline. Similar displayed distance does not mean equivalent evidence or maintenance. A badge cannot compensate for an unresolved identity or condition question. If one report has significant limitations, describe them rather than presenting both cars as equally assessed.
05Align the commercial responsibilities
Compare currency, quotation date, included preparation, supplied items and delivery stage. An apparent premium for one model may partly reflect different services or work included in the offer. The price-scope guide helps expose those differences. Avoid using a general price expectation as a substitute for a current, identifiable quotation.
Keep accepted uncertainty beside the commercial comparison. A lower vehicle price with unresolved work can be a valid proposal if the buyer understands and accepts the scope, but it is not automatically equivalent to an offer including agreed preparation. The decision should explain what the dealer receives and which responsibilities remain, not simply which headline amount is smaller.
06Record the reason for the final choice
Use a short decision note that connects the selected vehicle to the customer's priorities. It might refer to verified equipment, documented condition, a preferred body or a clearer preparation scope. Do not invent a universal conclusion that every C200 is better or every C180 offers superior value. The available candidates and the buyer's needs determine the useful answer.
For example, a dealer may prefer a C180 with the required passenger features and coherent records over a C200 missing an essential function. Another buyer may accept that difference for a documented specification they prioritise. Both decisions need explicit evidence and terms. Preserve the accepted comparison with the vehicle file so later handover checks reflect the actual choice.

