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Chevrolet 3500/4500

Medium-Duty Commercial Truck 2019–present 350 hp Diesel

Chevrolet's Class 3 and Class 4 commercial trucks — the 3500/4500 medium-duty range provides versatile chassis-cab platforms for contractors, municipalities, and commercial operators requiring upfittable heavy-duty transport solutions.

350

Horsepower

4,000–5,000

Payload (kg)

Class 3–4

Truck Classes

2019

Current Range Intro

Overview

The Chevrolet 3500/4500 medium-duty range covers Class 3 (4500 kg GVW) through Class 4 (6,350 kg GVW) commercial trucks, bridging the one-ton pickup segment and the heavier Class 5 and above commercial vehicles. These chassis-cab vehicles are designed for upfitting with a wide range of commercial bodies.

Powered by the 6.6L Duramax turbo-diesel and matched to the Allison 2100RDS 6-speed commercial automatic transmission, the 3500/4500 range provides durability and capability specifically engineered for commercial duty cycles. The chassis-cab configuration allows upfitters to build specialized bodies for construction, agriculture, utilities, and logistics.

In Azerbaijan, medium-duty trucks in the 3500/4500 class serve as practical commercial transport for businesses requiring more capability than a standard one-ton pickup but less complexity than Class 6–7 heavy trucks.

Key Specifications

Engine: 6.6L Duramax Turbo Diesel (350 hp / 1,085 Nm)
Transmission: Allison 2100RDS 6-speed automatic
Drive: Rear-wheel drive
GVW: 4,536–6,804 kg (Class 3–4)
Payload: 4,000–5,000 kg depending on class
Frame: Commercial ladder frame, class-rated
Body: Chassis-cab (upfitter required)
Fuel consumption: 17.0–22.0 L/100km under load

Variant Comparison

Variant	Powertrain	Power	0–100 km/h	Best For
3500 MD (Class 3)	6.6L Duramax + Allison	350 hp	N/A (commercial)	Entry medium-duty, lighter commercial loads
4500 (Class 4)	6.6L Duramax + Allison	350 hp	N/A (commercial)	Heavier commercial loads, utility service

Competitor Snapshot

Model	Strength	Compromise (Local Context)
Ford F-450/F-550	Ford commercial network, 7.3L petrol option	Different platform ecosystem
RAM 3500/4500	Cummins diesel option	Less common in Azerbaijan
Isuzu N-Series (NPR)	Purpose-built commercial, excellent reliability	Different platform entirely

Ownership Cost Estimator (Azerbaijan)

Annual distance (km)Fuel consumption (L/100km)Fuel price ($/L)Annual service budget ($)Annual insurance ($)Annual tire/wheel budget ($)

Annual fuel use: 7200.0 L/year
Annual fuel cost: $6120
Total annual ownership estimate: $10320
Average monthly ownership estimate: $860

Commercial use demands reduced oil change intervals — every 7,500 km maximum.
Allison transmission designed for commercial duty — fluid changes at 50,000 km.
DEF system requires DEF availability at filling stops.
Body upfit condition affects commercial value as much as chassis condition.

Maintenance & Service in Azerbaijan

Oil change every 7,500 km with diesel-spec 15W-40.
Fuel filter every 30,000 km.
Allison transmission service at 50,000 km.
Brake inspection every 20,000 km in commercial service.
Annual frame and chassis inspection.

Used 3500/4500 Buying Checklist

Verify Duramax engine and Allison transmission condition.
Inspect upfit body for structural integrity.
Check brake system under load conditions.
Verify DEF system and emission equipment function.
Confirm GVW rating matches intended use.
Inspect tyre load rating compliance.

3500/4500 FAQ — Azerbaijan Buyers

Q: What is the difference between the 3500, 4500, and 5500 in Chevrolet's commercial range?

These designations indicate increasing GVW class: 3500 = Class 3 (GVW ~4,500 kg), 4500 = Class 4 (GVW ~6,800 kg), and 5500 = Class 5 (GVW ~8,845 kg). Higher numbers mean greater payload capacity but also larger vehicle dimensions. Choose the lowest class that meets your payload requirements for best maneuverability and fuel economy.

Q: Are these medium-duty trucks available with automatic transmissions?

Yes — all current Chevrolet medium-duty trucks (3500–5500 range) use the Allison 2100RDS 6-speed automatic transmission as standard. This is a commercial-grade transmission, not the consumer Allison used in the Silverado 3500HD pickup. The commercial Allison is designed for significantly heavier and more intensive duty cycles.

Q: What body styles can be fitted to the 3500/4500 chassis-cab?

The 3500/4500 chassis-cab accepts a wide range of upfitted bodies: service/utility bodies for tradespeople, flatbed for construction or agriculture, dump body for bulk materials, tow body, refrigerated van, ambulance conversion, or specialty commercial configurations. The Duramax-Allison powertrain handles all commercial body types confidently.

Should You Buy the Chevrolet 3500/4500?

Practical medium-duty choice — Duramax-Allison reliability for commercial use.

The Chevrolet 3500/4500 medium-duty range in good condition offers a reliable, capable commercial platform for buyers requiring Class 3–4 payload capacity. The Duramax-Allison combination is a commercial workhorse. Prioritise service history, upfit body condition, and DEF system integrity when evaluating used examples.