The essentials
- 1Mobile service saves time and logistical effort through inspection directly at the vehicle's location.
- 2Fixed prices of auf Anfrages for standard assets and auf Anfrages for premium assets offer full cost control.
- 3Independence under ISO/IEC 17020 Type A guarantees objective appraisals free of sales interests.
Tuesday morning, a customer parking lot in Berlin-Mitte. A used Audi A4 is ready for inspection. The prospective buyer is uneasy about an irregularity in the paintwork. The DIAVAG appraiser arrives, equipped with calibrated measuring technology. Within 15 minutes, a systematic assessment of paint layer thickness, fault memory, and wear condition is carried out. This mobile deployment saves the customer a trip to a workshop and delivers a reliable PDF appraisal the same day. In the regions of Hamburg, Berlin, and Munich, the appraiser is on-site within 24 hours.
Advantages of a Mobile Appraiser Over Stationary Inspection Facilities
The search for a used car appraiser near you often ends at large inspection organizations operating fixed locations. For the customer, this means considerable logistical effort. The vehicle must be brought to the appointment, which for unregistered vehicles requires short-term transit plates or trailer transport. DIAVAG solves this problem through mobility. The appraiser comes directly to the vehicle's location, whether that's a private garage, a backyard, or a dealer's lot.
This approach offers maximum flexibility for buyers and sellers. An appointment is generally available within 24 hours. On-site, the inspection takes less than 15 minutes. Since DIAVAG does not operate a workshop and does not purchase vehicles, the assessment remains completely neutral. There is no interest in selling repairs or artificially lowering the price. This independence is a key factor in the credibility of the appraisal during price negotiations or legal disputes.
Technical Precision Through Standardized Hardware
A professional appraiser does not rely on a purely visual assessment. Every DIAVAG appraiser carries a standardized hardware case. Basic equipment includes an OBD2 scanner that looks deep into the vehicle electronics. This not only reads current fault codes but also performs plausibility checks. This helps identify odometer tampering or suppressed warning messages.
Another critical point with used cars is accident-free status. Using a digital coating thickness gauge, the appraiser checks paint thickness at various body points. Deviations immediately reveal repainting or filler work that may indicate a repaired accident damage. The check is supplemented by tread depth gauges for the tires and a digital multimeter to test the electrical systems. All documentation is done via a standardized photo set that captures the asset's condition in a tamper-proof way. On request, the appraisal can be secured with a notarial hash on the Polygon blockchain.
Fixed-Price Model for Full Cost Control
Transparency starts with price. Many appraisal firms bill by hourly rate or by the object's value, making costs for the customer hard to predict. DIAVAG relies on a clear fixed-price model. For a standard combustion-engine car, the price is auf Anfrages. This amount includes travel within the regions, the on-site inspection, and the creation of the digital appraisal.
For electric vehicles and high-value assets, the fixed price is auf Anfrages. This surcharge is justified by the use of specialized diagnostic technology. For EVs, the battery is the most expensive component. Here, the appraiser performs the Premium Battery Test, which determines the State-of-Health (SoH) and cell balance. This data is essential for valuing a used electric vehicle. For commercial customers such as car dealers or fleet operators, DIAVAG offers individual terms from a volume of 50 appraisals per month. API integration with existing dealer management systems (DMS) enables seamless integration into digital purchasing processes.
Legal Certainty and Qualification to BVSK Standard
An appraisal is only as valuable as the qualification of its author. All DIAVAG appraisers work according to the guidelines of the BVSK (German Federal Association of Independent Automotive Appraisers). In addition, every PDF document is finally reviewed and signed by a senior inspector. This ensures that the assessments meet the highest professional standards and can serve as an objective basis for insurance cases, inheritance matters, or divorces.
DIAVAG also meets the requirements of an inspection body under ISO/IEC 17020 Type A. This is the highest level of independence, as there are no economic ties whatsoever to repair or trading businesses. For legal questions, the appraisal provides a solid basis for argumentation by a lawyer or notary. It is important to emphasize that DIAVAG itself does not provide legal advice. The appraisal supplies the technical facts and market value according to JVEG criteria; legal application is the responsibility of the relevant professionals.
Comparison of Appraisal Services
To make the right choice, customers should compare the various market participants. While classic inspection organizations focus on statutory vehicle inspections (HU), DIAVAG specializes in mobile valuation.
| Feature | DIAVAG | TÜV / DEKRA | Purchase Portals |
|---|---|---|---|
| Location | Mobile at customer's site | Stationary at inspection facility | Stationary at dealer |
| Price | auf Anfrage / auf Anfrage fixed price | Often by effort | Seemingly free |
| Independence | Complete (Type A) | Given | Conflict of interest (purchasing) |
| Battery diagnostics | Premium Battery Test | Basic check | Usually none |
| Asset classes | 7 classes (incl. boat) | Focus on cars | Cars only |
The comparison shows that DIAVAG's mobility and specialization in modern drive types like EVs make the decisive difference. Purchase portals, on the other hand, pursue the goal of acquiring the vehicle cheaply, which complicates an objective valuation.
Special Case Electric Car: Why Battery Testing Is Decisive
When buying a used electric car, a test drive is not enough to assess the condition of the high-voltage battery. The battery accounts for up to 50 percent of the vehicle's value. A conventional used car appraiser near you often lacks the necessary hardware for in-depth diagnostics. DIAVAG integrates the Premium Battery Test as standard into the premium appraisal for auf Anfrages.
This reads parameters such as State-of-Health (SoH), cell balance, and internal resistance. This data reveals how much capacity the battery still has compared to new condition. A vehicle with 80,000 kilometers can, depending on charging history, show a significantly better or worse battery condition than a comparable model. Given the EU Battery Passport, mandatory from February 2027, DIAVAG is already technologically prepared today. This gives buyers the assurance that they won't face a costly battery defect shortly after purchase.
Cross-Asset Expertise: More Than Just Cars
A key distinguishing feature of DIAVAG is its coverage of seven different asset classes. While most used car appraisers nearby exclusively assess cars, DIAVAG's portfolio also includes boats, construction and agricultural machinery, cargo bikes, e-scooters, and even home energy storage systems for photovoltaic installations. This breadth is particularly advantageous for heirs' communities or company liquidations, as all assets can be valued from a single source.
For construction machinery such as excavators or wheel loaders, compliance with the EU Machinery Regulation plays a role alongside technical condition. The mobile appraiser checks hydraulic wear and operating-hours plausibility on-site. Mobile service is also crucial for boats, as an appraisal can take place at the harbor or in winter storage. The fixed price of auf Anfrages also applies to these special classes within the standard segment, making DIAVAG a versatile partner for complex valuations.
Conclusion for Buyers and Sellers
Commissioning a mobile used car appraiser near you is an investment in security and transparency. For auf Anfrages, customers receive a document reflecting the actual market value and protecting against costly bad purchases. Sellers, in turn, can document the condition of their vehicle in black and white, strengthening the negotiating position and speeding up the sales process.
By combining BVSK qualification, cutting-edge hardware like the Premium Battery Test, and ISO-certified independence, DIAVAG sets new standards in the appraisal industry. Whether in Hamburg, Berlin, or Munich, the mobile service guarantees fast processing within 24 hours. Anyone who values a legally sound and technically well-founded appraisal will find a competent partner in DIAVAG, one that efficiently manages the entire process from booking the appointment to the digital PDF report.
Frequently asked questions
- What does an appraisal for a used car cost at DIAVAG?
- A standard appraisal for a car costs auf Anfrages as a fixed price. For electric cars or high-value assets, the price is auf Anfrages including the Premium Battery Test.
- How quickly is the appraiser on-site?
- In the regions of Hamburg, Berlin, and Munich, you generally get an appointment within 24 hours for the on-site inspection.
- Is the appraisal legally sound?
- Yes, the appraisals are BVSK-compliant and signed by senior inspectors. They serve as an objective basis for insurance, inheritance matters, or legal disputes.
- Is the battery checked on electric cars?
- Yes, for electric vehicles the Premium Battery Test is included in the price of auf Anfrages. This determines State-of-Health and cell balance in detail.
- Do I have to bring the car to a workshop?
- No, DIAVAG is a purely mobile service. The appraiser comes to you at home, at the office, or to the vehicle's location.
- What documents do I receive after the inspection?
- You receive a comprehensive PDF appraisal the same day, including technical documentation, a photo series, and a market value determination.
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