Koenigsegg CC850 Problems: Common Issues and Repair Costs
The Koenigsegg CC850 is a tribute to 20 years of Koenigsegg performance. With only 70 units built globally, it combines retro styling from the original CC8S with modern engineering, including the innovative Engage Shifter and a twin-turbo V8 producing over 1,300 horsepower. While built with obsessive precision, it’s still a complex car that can develop problems over time. Here’s a full breakdown of known issues and what it costs to fix them.
1. Oil Leaks
What Happens
Owners may notice small puddles under the car or lower oil levels after storage or spirited use.
Why It Happens
The CC850 has high-pressure oil lines and custom sealing systems. Over time, seals and gaskets can break down from heat cycles or non-use.
Repair Cost
Approximately £1,000 for cleanup, new gaskets, and labor.
2. Transmission Faults
What Happens
Jerky shifts, failure to engage gears, or flashing transmission lights.
Why It Happens
The car uses Koenigsegg’s Light Speed Transmission with the Engage Shifter, allowing manual-style shifting. The system relies on sensors and actuators that may require recalibration or software updates.
Repair Cost
About £750 for diagnosis and software updates. Hardware issues could cost more.
3. Coolant Leaks
What Happens
Coolant under the car or a low coolant warning. The engine may run hotter than usual.
Why It Happens
The cooling system is custom-built and tightly packaged. Hoses or clamps can loosen or degrade under extreme heat.
Repair Cost
Around £450 to replace hoses or seals.
4. Engine Misfire or Rough Idle
What Happens
The engine may feel down on power or shake at idle.
Why It Happens
Most cases are caused by aging spark plugs, coil packs, or wiring faults. These issues are common on high-compression, twin-turbo engines if not used regularly.
Repair Cost
Roughly £550 per affected cylinder bank.
5. Electrical Glitches
What Happens
Random warning lights, frozen infotainment, or failing gauges.
Why It Happens
The CC850’s wiring is custom-built and highly advanced. Moisture or vibration can affect ECUs or sensor wiring.
Repair Cost
Expect £650 for diagnostics and ECU resets. Module replacement could go higher.
6. Brake Wear and Noise
What Happens
Squealing brakes, a soft pedal, or vibrations under heavy braking.
Why It Happens
Carbon-ceramic brakes work brilliantly at high speed, but they can be noisy or wear quickly if used incorrectly or on the road.
Repair Cost
- Brake pads: around £400 to £500
- Full disc service: up to £15,000 if needed
7. Interior Comfort Issues
What Happens
Malfunctioning climate control, slow seat motors, or infotainment bugs.
Why It Happens
Even on a £2 million hypercar, electronics like HVAC or custom switchgear can develop issues. Lack of regular use increases the chances.
Repair Cost
Around £325 to £400 depending on part availability and labor.
Routine Maintenance and Service Costs
Even if no faults are found, Koenigsegg recommends strict service intervals due to the nature of the car.
Annual Costs
- Fluids, filters, diagnostics, and health check: £7,000 to £9,000
- Tyres and wheel balancing: £5,000 to £8,000
- Brake fluid flush and inspection: £1,500+
Koenigsegg’s bespoke carbon fibre wheels (if damaged) cost over £25,000 each, and a full set of tyres can exceed £10,000 depending on compound and brand.
Total Yearly Ownership Cost
A typical CC850 owner should budget between £10,000 and £20,000 per year for maintenance, storage, and running costs. Repairs or part replacements can push this higher. One major fault (like transmission hardware or carbon body panel damage) could cost over £50,000 to repair.
Buying Advice
Because only 70 CC850s were built, most have already been pre-sold or are held by collectors. If you’re lucky enough to be in the market, always:
- Request full factory service records
- Verify the VIN and mileage
- Have the car inspected by a CAREXAMER hypercar specialist or a Koenigsegg service partner
Final Thoughts
The Koenigsegg CC850 is one of the most unique hypercars ever made. It blends analog feel with digital precision, and it demands high-level care. While reliability is strong for its class, small faults or wear issues can be expensive due to the bespoke nature of the car.
Owning a CC850 is not just about driving — it’s about stewardship. With proper care and specialist support, it can be both a thrilling machine and a long-term asset.
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