MG · Western Australia
Estimated cost to charge a MG MG4 77 kWh RWD in Western Australia
In Western Australia, this MG4 has an estimated cost of $1.24 per 100 km on the cheapest home window we list, and an estimated cost of $4.66 per 100 km at the state’s average standard rate. Of the 26 variants we cover, it ranks #6 for lowest estimated off-peak cost in WA.
Head to head in WA: estimated running cost
MG MG4 vs Mid-size SUV (rough guide) · 250 km a week (≈ 13,000 km a year)
Estimated cost saved per year vs a petrol car
Estimated $2,104 a year
Estimated 87% less than the petrol car · estimated fuel and charging cost saved over 5 years: $10,521
| Item | EVMG MG477 kWh RWD | PetrolMid-size SUV (rough guide)8.0 L/100 km |
|---|---|---|
| Estimated cost per year | $317 | $2,421 |
| Estimated cost per month | $26 | $202 |
| Estimated cost per week | $6.09 | $46.56 |
| Estimated cost per 100 km | $2.44 | $18.62 |
| Energy use | 14.0 kWh/100 km | 8.0 L/100 km |
| Energy per year | 1,820 kWh | 1,040 L |
| Energy price used | 17.4c/kWh avg | $2.328/L |
How we estimate
- Estimates, not actual costs. Fuel and electricity only: excludes servicing, rego, insurance and supply charges.
- EV: MG MG4 77 kWh RWD official lab figure; example charging 80% home off-peak, 10% home standard rate, 10% public DC fast at Western Australia rates (average 17.4c/kWh).
- Petrol: mid-size SUV, 8 L/100 km rough guide (not an official figure for any model; pick a model in the calculator below), at $2.328/L (Perth ULP weekly average, Australian Institute of Petroleum).
- Lab figures are usually lower than real-world use.
Estimates only, based on the assumptions shown. Your actual cost will differ. Prices last reviewed: 11 October 2026.
Estimated 5-year running cost in WA
Before the car price, stamp duty and resale value, which depend on what you pay. Estimated running cost saved over 5 years vs a mid-size petrol SUV (rough guide): $7,696.
| Item | EV | Petrol SUV |
|---|---|---|
| Energy (charging / fuel)● Sourced | Estimated cost $1,584 | Estimated cost $12,106 |
| Registration○ Rough guide | Estimated cost $5,214 | Estimated cost $5,065 |
| Insurance○ Rough guide | Estimated cost $12,200 | Estimated cost $9,325 |
| Servicing○ Rough guide | Estimated cost $1,380 | Estimated cost $2,187 |
| Tyres○ Rough guide | Estimated cost $2,117 | Estimated cost $1,508 |
| Estimated 5-year running cost | Estimated cost $22,494 | Estimated cost $30,190 |
Example 13,000 km a year at today’s prices. Rego: Western Australia 12-month private rego incl. CTP. Insurance: CHOICE average premiums for a new car (rough guide). Servicing: published 5-year price where we have one, else NRMA category average. Tyres: NRMA set prices (rough guide). For the full estimated 5-year total cost including price, stamp duty and resale, open the 5-year total cost tab in the calculator below.
Estimated cost per 100 km by charging method
- Solar (lost feed-in credit) 2c/kWhest. $0.28
- Home off-peak (9am–3pm) 8.852c/kWhest. $1.24
- Home standard rate 33.2621c/kWhest. $4.66
- Public DC fast charger 70c/kWhest. $9.80
- Petrol car, 8 L/100 km $2.33/Lest. $18.62
Western Australia prices used
- Off-peak 8.852c/kWh: Synergy Midday Saver, Super Off Peak 9am–3pm (smart meter needed). Source
- Standard 33.2621c/kWh: Synergy Home Plan (A1), regulated, from 1 Jul 2026. Source
- Solar 2c/kWh: Synergy DEBS buyback before 3pm. Source
- Petrol $2.328/L: Perth ULP weekly average. Source
- Public DC 70c/kWh: Illustrative public DC fast-charging rate used by EV Roadside. Source
Adjust the estimate for your driving
Your estimate
Results update as you go. Saved on this device only.
Step 1: Your EV
Pick your electric car and state.
Uses 14 kWh per 100 km (official lab test) · source
About 13,000 km a year
Step 2: Compare with a petrol car
The one you drive now, or the one you’d otherwise buy.
A typical figure for a mid-size suv, rough guide only.
Set from your pick. Slide to adjust.
Step 3: How you charge
Tap the closest match, or slide to set your mix.
Fine-tune pricesPetrol $2.328/L · off-peak 8.85c · standard 33.26c · fast charger 70c
WA average $2.328/L (Australian Institute of Petroleum). Use your diesel or premium price if that’s what you buy.
Electricity rates (cents per kWh)
- At home, cheap night/off-peak rate
- At home, normal rate
- From your solar panels
Charging from your panels is free out of pocket; this is the feed-in credit you give up by not exporting. Set to 0c if you get no feed-in tariff.
- Public charger (slow)
- Public fast charger
Prefilled for Western Australia, incl. GST: off-peak is Synergy Midday Saver (9am–3pm); standard is the state average. Public AC (40c) is a placeholder. Tap a rate to change it.
Lab figures are usually lower than real driving. Try +10 to +20 for lots of highway or cold weather.
Head to head: estimated running cost
MG MG4 vs Mid-size SUV (rough guide) · 250 km a week (≈ 13,000 km a year)
Estimated cost saved per year vs a petrol car
Estimated $2,104 a year
Estimated 87% less than the petrol car · estimated fuel and charging cost saved over 5 years: $10,521
| Item | EVMG MG477 kWh RWD | PetrolMid-size SUV (rough guide)8.0 L/100 km |
|---|---|---|
| Estimated cost per year | $317 | $2,421 |
| Estimated cost per month | $26 | $202 |
| Estimated cost per week | $6.09 | $46.56 |
| Estimated cost per 100 km | $2.44 | $18.62 |
| Energy use | 14.0 kWh/100 km | 8.0 L/100 km |
| Energy per year | 1,820 kWh | 1,040 L |
| Energy price used | 17.4c/kWh avg | $2.328/L |
How we estimate
- Estimates, not actual costs. Fuel and electricity only: excludes servicing, rego, insurance and supply charges.
- EV: MG MG4 77 kWh RWD official lab figure; charging 80% home off-peak, 10% home standard rate, 10% public DC fast (average 17.4c/kWh).
- Petrol: Mid-size SUV, 8 L/100 km rough guide (not an official figure for any model), at $2.328/L (Perth ULP weekly average, Australian Institute of Petroleum).
- Lab figures are usually lower than real-world use.
Estimates only, based on the assumptions shown. Your actual cost will differ.
Estimated yearly cost if 100% charged at home off-peak: $161 (estimated cost saved $156 a year).
Petrol would only be cheaper if your average charging rate went above an estimated 133c/kWh.
Estimated cost breakdown
Estimated yearly charging cost by source · average 17.4c/kWh
Estimated cost: EV vs petrol
Estimated yearly cost · petrol car 8 L/100 km at $2.33/L
Estimated yearly cost if your off-peak rate changes
Home off-peak rate from 0 to 50c/kWh, everything else unchanged
Assumptions and disclaimer
- Vehicle energy use: MG MG4 77 kWh RWD, 14 kWh/100 km (Green Vehicle Guide (Australian Government), official lab test). Lab figures are measured at the wall, so charging losses are included.
- Electricity: home off-peak 8.852c, standard 33.2621c, solar 2c, public AC 40c, public DC 70c per kWh.
- Petrol: Mid-size SUV (typical), 8 L/100 km at $2.33/L (Perth ULP weekly average, Australian Institute of Petroleum).
All figures are estimates, not quotes or actual costs. They exclude supply charges, membership or idle fees, and discounts. Your actual cost will depend on your electricity plan, when and where you charge, your driving, the weather and your vehicle. Prices change, so check them with your retailer or charging network before you decide. This is general information only, not financial advice. Prices last reviewed: 11 October 2026. Methodology & sources · Disclaimer
Plans with a cheap EV or off-peak window can cut your estimated charging cost a lot. Compare plans for your address.
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Lowest estimated off-peak cost in WA
- 1. Tesla Model 3 Long Range RWD, 18" wheelsest. $1.11/100 km
- 2. BYD Dolphin Dynamicest. $1.12/100 km
- 3. MG MG4 64 kWh RWDest. $1.15/100 km
- 4. Tesla Model 3 RWDest. $1.22/100 km
- 5. BYD Seal Dynamicest. $1.22/100 km
- 6. MG MG4 77 kWh RWDest. $1.24/100 km
Frequently asked questions
How much does it cost to charge a MG MG4 in Western Australia?
At Western Australia's Synergy Midday Saver, Super Off Peak 9am–3pm (smart meter needed) (8.852c/kWh), the estimated cost is $1.24 per 100 km. At the average standard rate of 33.2621c/kWh the estimated cost is $4.66 per 100 km.
What is the estimated yearly charging cost in WA?
For an example 13,000 km a year, charging 80% off-peak, 10% at the standard rate and 10% at 70c/kWh public DC chargers, the estimated yearly cost is $317, against an estimated $2,421 for a 8 L/100 km petrol car (mid-size SUV, rough guide) at Perth's average petrol price.
What is the estimated cost of a full charge in WA?
For its 77 kWh battery from empty: estimated cost $6.82 off-peak, $25.61 at the standard rate, or $53.90 at a public DC fast charger.
Can I charge it with solar in WA?
If you charge from excess rooftop solar, the cost is the feed-in tariff you give up. At 2c/kWh (Synergy DEBS buyback before 3pm), that's an estimated cost of $0.28 per 100 km.