1998 Used Peterbilt 379 For Sale (2026 Guide)

 Current Price Range

For a 1998 model, typical market prices are:

• $30,000 – $50,000 → High mileage / basic working trucks
• $50,000 – $70,000 → Good condition, ready to haul
• $70,000+ → Rebuilt, customized, or low-mileage units

👉 Compared to 1997 models, 1998 trucks are usually slightly more expensive due to better specs and availability.

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🔎 Example Listings (Typical Market Deals)

🔹 1998 Peterbilt 379 Sleeper (CAT Engine)

• ⚙️ Engine: Caterpillar 3406 / C15
• 🛣️ Mileage: ~900k–1.2M miles
• 🔧 Condition: Often rebuilt or partially overhauled
  👉 Ideal for long-haul owner-operators

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🔹 1998 Peterbilt 379 Day Cab

• ⚙️ Engine: Detroit Series 60 or Cummins N14
• 🛣️ Mileage: ~800k–1.5M miles
  👉 Good for local hauling or budget entry

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🔹 1998 Peterbilt 379 (Fully Rebuilt)

• 💰 $75,000 – $100,000+
• 🔧 New engine rebuild, paint, interior upgrades
  👉 Premium “show truck” or long-term investment

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⚙️ Key Specs (1998 Model)

• Engine: ~14.6L diesel (CAT, Cummins, Detroit options)
• Drivetrain: 6×4
• Transmission: 13-speed or 18-speed manual
• Fuel economy: ~4.8–5.8 MPG

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🔥 Why the 1998 Model Is Popular

• Pre-emissions engine (simpler, cheaper repairs)
• Classic long-nose design
• Strong resale value
• Easy to customize or rebuild

This is one of the most sought-after years for truck enthusiasts and owner-operators.

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⚠️ What to Check Before Buying

For a 1998 truck, condition matters more than age:

• ✔ Engine overhaul history (VERY important)
• ✔ Mileage vs rebuild (many have 1M+ miles)
• ✔ Transmission condition (13/18-speed wear)
• ✔ Frame rust or cracks
• ✔ Electrical wiring (common issue in older trucks)

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✅ Final Verdict

A 1998 Peterbilt 379 is still one of the best classic trucks you can buy in 2026:

• ✔ Reliable and easy to repair
• ✔ Holds value well
• ✔ Perfect for long-haul or rebuild projects