What are common GWM Cannon problems?

Common issues include Automatic gearbox fluid aging, Diesel injector carbon buildup, Suspension wear on rough terrain. See the full breakdown above with estimated repair costs and typical mileage.

What should I check before buying a used GWM Cannon?

Run through the buyer's inspection checklist above, covering engine & drivetrain, body & exterior, interior & electronics and service history — or get a free instant report for the exact year and mileage you're considering.

GWM Cannon — Price, Faults & Buyer's Guide

Everything you need to know before buying a used GWM Cannon in South Africa — pricing by mileage, known faults, a buyer's inspection checklist, maintenance schedule and real owner feedback.

Excellent torque8-speed auto3yr/100k warrantyHigh running costs

7.8

Good Buy

Practical workhorse with strong diesel grunt, solid warranty coverage, and proven GWM reliability—expect strong resale but watch gearbox servicing.

Est. Retail

R485k

Est. Trade

R420k

Annual Sales (SA)

~8,500

5yr Depreciation

32%

GWM Cannon price in South Africa by mileageMedium confidence

Mileage band	Trade-in estimate	Retail estimate
0 – 20,000 km km	Est. R388k–R509k	Est. R473k–R585k
20,001 – 40,000 km km	Est. R365k–R479k	Est. R446k–R551k
40,001 – 60,000 km km	Est. R343k–R449k	Est. R418k–R516k
60,001 – 80,000 km km	Est. R323k–R424k	Est. R394k–R487k
80,001 – 100,000 km km	Est. R304k–R398k	Est. R371k–R458k
100,001 – 120,000 km km	Est. R285k–R373k	Est. R347k–R429k
120,001 – 140,000 km km	Est. R268k–R352k	Est. R327k–R404k
140,001 – 160,000 km km	Est. R252k–R331k	Est. R308k–R380k
160,001 – 180,000 km km	Est. R236k–R309k	Est. R288k–R356k
180,001 – 200,000 km km	Est. R223k–R292k	Est. R272k–R336k
200,000+ km km	Est. R210k–R276k	Est. R256k–R317k

Prices are estimated using modelled data for the SA market and may vary from an official industry valuation. Want the exact price for a specific vehicle? Use our Industry Valuation Report.

Common GWM Cannon problems & repair costs

Automatic gearbox fluid aging

8-speed automatic requires sealed fluid service at 60k km; neglect causes slipping, harsh shifts, and costly transmission rebuilds.

Severity: MediumEst. repair: R2,500–R4,200Common at: 60k+ km

Diesel injector carbon buildup

2.0TD engines accumulate carbon in injectors by 80k km on short trips; causes rough idle, white smoke, and reduced fuel economy.

Severity: MediumEst. repair: R3,800–R6,500Common at: 80k+ km

Suspension wear on rough terrain

Double-cab payload and work use can wear shocks and leaf springs faster; check for clunks over bumps and uneven tire wear.

Severity: LowEst. repair: R1,200–R3,500Common at: 100k+ km

Buyer's inspection checklist

🔧Engine & Drivetrain

Full-load rev response — Turbo lag on overloaded bakkies signals boost pressure loss or turbo carbon buildup

Gearbox shift quality and delays — 8-speed should be smooth; hard shifts or slipping indicate fluid breakdown at 40–60k km

🚗Body & Exterior

Rust on chassis and tray underside — Double-cabs work in dusty/wet conditions; salt and mud corrode frame if not washed regularly

Tray bed alignment and dents — Heavy loading and off-road work cause alignment issues and stress cracks on welds

💡Interior & Electronics

Touchscreen responsiveness and climate controls — 8-inch unit can lag on older software; HVAC compressor strain on work vehicles

Parking camera and sensor function — Work vehicles often reverse into rough terrain; cameras fog and sensors clog with dust

📋Service History

Service stamps at 10k/20k/40k intervals — GWM Cannons on tight service schedules hold value and avoid injector/turbo problems

Gearbox and coolant fluid change records — Diesel auto gearboxes require sealed fluid replacement; coolant prevents turbo bearing wear

Recommended maintenance schedule

highEngine oil and filter — Turbo bearing wear

Every 10,000 km or 6 months
R180–R320

highAutomatic transmission fluid flush & fill — Gearbox slip and rebuild

60,000 km, then 80k, 100k
R2,500–R4,200

highDiesel fuel filter and water separator — Injector damage and rough running

Every 20,000 km
R280–R450

mediumSuspension bushings and shock absorber inspection — Uncontrolled sway and tyre wear

Every 40,000 km
R800–R2,200

GWM Cannon owner reviews

Owners praise the Cannon's robust diesel engine and payload capacity, but note high fuel costs and gearbox service complexity. (76/100 owner approval)

👍

Exceptional torque for towing

360 N⋅m from 1,400 rpm makes heavy trailers manageable and off-road traction reliable.

👍

Strong residual value

Cannon bakkies retain 65–70% value at 5 years due to fleet demand and proven durability.

👎

High fuel consumption in city

Real-world fuel economy drops to 9–10 L/100 km in urban stop–start; diesel costs offset savings on longer routes.

👎

Gearbox fluid service neglect costly

Sealed automatic requires precise fluid changes; missed intervals lead to slipping and R8–R15k repairs.

GWM Cannon specifications

Engine	2.0L Turbo Diesel 4-cyl
Power	120 kW @ 3,800 rpm
Torque	360 N⋅m @ 1,400 rpm
Transmission	8-speed Automatic
Fuel consumption	8.2 L/100 km (combined)
Fuel tank	80L
Boot capacity	1,520 L (tray area)
Kerb weight	1,835 kg
Top speed	185 km/h
0–100 km/h	11.2 sec
Service interval	10,000 km or 6 months
Service plan	Optional extended plans; basic servicing ~R800–R1,200/visit
Warranty	3 years / 100,000 km (manufacturer)
Original price	R615,000 (2024 new)

Frequently asked questions

A used GWM Cannon typically retails from around R485k depending on year, mileage and condition, with trade-in value around R420k. See the full pricing table above for estimates across all mileage bands.

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All information is either scraped, searched from live sources or AI training data. It is intended as a general research guide only and may not represent actual transaction values for a specific vehicle. RideReport is not a licensed valuations provider.