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9:41⚡ 87%
Vehicle Dashboard
2023 Porsche 911 GT3
Market Value
$218,500
▲ 4.2% this quarter
12-Month Trend
Next Service
Oil ChangeDue Soon
Brake Inspection3 months
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Maintenance History
Every oil change, tire rotation, and service recorded with dates, mileage, and costs.
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Upgrades & Mods
Log every upgrade from intake to suspension, with photos and cost tracking.
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Documents & Records
Store titles, insurance, receipts, and inspection records digitally.
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Whether you're changing your own oil or rebuilding an engine, Proper Miles tracks every detail so nothing gets forgotten.

  • ✓ DIY Repair Logs: Document every job with what you did, when, and what parts you used
  • ✓ Parts Tracking: Keep a running list of parts, costs, and where you bought them
  • ✓ Service Timeline: See your car's complete history at a glance, organized by date and mileage
9:41⚡ 87%
Maintenance Schedule
2023 Porsche 911 GT3
Oil & Filter ChangeOverdue
Overdue by 340 miles
Full synthetic oil change with OEM filter. Required every 10,000 miles for your flat-six engine.
Dealer
$480
Indy
$260
DIY
$85
Difficulty:
Intermediate
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Logged Services
Coolant Flush✓ Dec 3 • 12,450 mi
Spark Plugs✓ Nov 10 • 11,800 mi
Cabin Air Filter✓ Oct 1 • 10,200 mi
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💬 "Is this repair quote fair?"
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💬 "What are common issues with my car?"
9:41⚡ 87%
Pocket Mechanic
2023 Porsche 911 GT3 • 14,230 mi
My engine is making a ticking noise on cold start. Should I be worried?
For your 911 GT3 with a flat-six engine, a brief ticking on cold start is often normal — it's typically hydraulic valve lifters pressurizing.

However, if it persists beyond 30 seconds or gets louder, it could indicate:
1. Low oil level — check dipstick
2. IMS bearing wear (less likely on GT3)
3. Exhaust manifold leak
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Whether you're buying, selling, or just curious, get real data on what your car is worth and whether that repair quote is fair.

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9:41⚡ 87%
Estimate Check
2023 Porsche 911 GT3
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Analysis Complete
Brake pad replacement
Parts
$480$290
Labor
$320$220
Total
$800$510
● Your Quote● Fair Price

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