Opel Signum 2007
Analysis of 32 active listings for Opel Signum 2007 from mobile.bg, cars.bg and other sources. Real market prices, known engine issues and what to check before buying.
Diesel 22Petrol 10
📊 Market data
- Cheap listings800 €
- Typical price2 299 €
- Expensive listings4 550 €
- Average mileage208 145 км
⚙️ Engines — what to expect
Opel/Fiat Z19DT/DTH 1.9 CDTi — Z19DT_DTH
Known issues
- Intake swirl flaps can break and fall into engine — catastrophic damage. Many owners remove/blank them preventatively. (~200–3 000 € repair)
- Dual mass flywheel wears — clutch judder. (~500–1 000 € repair)
🚨 What to check before buying
Overall risk score: 10/10
Serious risks
- Swirl flap failure (CRITICAL): Intake swirl flaps can break and fall into engine — catastrophic damage. Many owners remove/blank them preventatively.
- DMF + clutch: Dual mass flywheel wears — clutch judder.
- Car is 19 years old — expect age-related wear: rubber seals, bushings, water pump, AC compressor
- Higher mileage (208,145 km) — check for timing system condition, turbo health, and suspension wear
Additional notes
- Opel/Vauxhall 1.9 CDTi (Z19DT/DTH) has intake manifold swirl flaps that break and fall into the engine. CATASTROPHIC engine damage when this happens. Must verify if swirl flaps were removed/blanked or replaced with updated part.
- Vehicle is 15+ years old. Age-related issues: rubber seals/hoses degrade, electrical connectors corrode, suspension bushings wear. Not specific to any engine, but expect €500-1,500/year in age-related maintenance beyond normal service items.
- Any car with 200k+ km requires extra scrutiny. At this mileage: suspension components are worn (bushings, ball joints, shocks), seals and gaskets are hardened, electrical connectors corrode, and major components approach end-of-life. For luxury cars (BMW, Mercedes, Audi) the cost of 200k+ km maintenance can exceed the car's value. Always get a pre-purchase inspection (PPI) and budget 15-25% of purchase price for immediate maintenance.
- Opel Astra diesel very common in Bulgaria (1100+ listings). City-only driving clogs DPF quickly. EGR valve carbon buildup and turbo actuator failure are frequent issues at 100k+ km.
🔥 Current market offers
5 cheapest active listings for Opel Signum 2007. Click "Analyze" for a full report with market valuation, risk analysis and photo analysis.
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