The verdict in three sentences
Fleet management software turns suffered expenses (late maintenance, untracked fuel, downtime) into piloted costs. In 2026, a custom build costs 30,000 to 75,000 EUR over 14-20 weeks, versus a licence at 15-40 EUR per vehicle per month. Realistic target: -15 % fleet cost through preventive maintenance alerts and cost-per-kilometre tracking.
Custom vs licence: the 2026 trade-off
For a small fleet, the licence wins. Beyond a certain volume, or if you want telematics and accounting connected, custom becomes relevant.
| Criterion | Custom | SaaS licence |
|---|---|---|
| Upfront cost | 30,000 - 75,000 EUR | 0 - 3,000 EUR (setup) |
| Recurring cost | Maintenance ~15 %/yr of build | 15 - 40 EUR/vehicle/month |
| Delay | 14 - 20 weeks | 1 - 4 weeks |
| Cost 60 vehicles / 3 yrs | ~70,000 EUR (build + maint.) | ~54,000 - 86,400 EUR |
| Accounting/telematics integration | Native | Depends on connectors |
| Code ownership | Yes | No |
Fleet cost lines and the software lever
Software does not act uniformly. Here is where the 2026 savings hide.
| Cost line | Typical share | Software lever |
|---|---|---|
| Fuel | 30 - 40 % | Consumption/eco-driving: -8 % |
| Maintenance & repairs | 15 - 25 % | Preventive alerts: -20 % breakdowns |
| Vehicle downtime | 10 - 15 % | Maintenance planning: -30 % stops |
| Insurance & claims | 10 - 15 % | Driver tracking: claims -12 % |
| Depreciation | 15 - 20 % | Renew at the right moment |
Mini case study
Sophie manages the fleet of a construction firm in Nantes: 60 vehicles, average annual cost of 9,500 EUR/vehicle, i.e. 570,000 EUR/year. Custom software at 55,000 EUR (maintenance 8,250 EUR/yr) targets -15 % fleet cost, or 85,500 EUR/year saved. Net of maintenance, the first-year gain is ~22,000 EUR, then ~77,000 EUR/year after. Full ROI is reached in about 9 months, mainly via preventive maintenance and lower claims.
FAQ
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From how many vehicles does custom make sense?
As a 2026 order of magnitude, beyond 40-60 vehicles with accounting/telematics integration needs, custom becomes competitive against cumulative licences over 3 years.
What maintenance savings can we expect?
Preventive alerts cut unplanned breakdowns by about 20 % and downtime by 30 %, by anticipating services and wear parts.
Is telematics essential?
It multiplies ROI (position, consumption, eco-driving) but can be added in phase 2. The maintenance + cost-per-km core already delivers most of the fast gain.
Can the software link to accounting?
Yes. A connector to your accounting tool avoids re-keying fuel and maintenance invoices and makes cost-per-kilometre reliable.
What is the go-live delay?
Expect 14-20 weeks in 2026 depending on the number of integrations (fuel cards, telematics boxes, accounting).
Let's scope your project. Tell us your fleet size, desired integrations and priority cost lines — we price build, maintenance and ROI. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
