The XPENG G6 is a relatively efficient mid-size EV SUV by Australian standards. For the 2026 New G6, official Australian figures list 16.6 kWh/100 km for the Standard Range on 18-inch wheels, 17.9 kWh/100 km for the Long Range and 18.4 kWh/100 km for the AWD Performance. WLTP range spans 480 km, 525 km and 510 km respectively. Battery capacity is 68.5 kWh or 80.8 kWh gross, while DC charging reaches 382–451 kW. A previous Australian Long Range road test recorded 15.9 kWh/100 km, about 9% below its 17.5 kWh/100 km official figure, showing that moderate mixed driving can produce better-than-rated consumption.
Efficiency starts with how much electricity the G6 needs for every 100 km. The 2026 Australian Standard Range is rated at 16.6 kWh/100 km with 18-inch wheels and 16.9 kWh/100 km with optional 20-inch wheels. The Long Range uses 17.9 kWh/100 km, while the AWD Performance rises to 18.4 kWh/100 km. That spread is only about 11% from the most economical configuration to the most powerful one, despite a large difference in motor output and vehicle weight.
That small spread becomes easier to understand when battery size and mass are placed beside consumption.
| Australian New G6 version | Battery | WLTP range | Consumption | Kerb weight |
|---|---|---|---|---|
| Standard Range RWD, 18-inch | 68.5 kWh gross | 480 km | 16.6 kWh/100 km | 2,065 kg |
| Long Range RWD, 20-inch | 80.8 kWh gross | 525 km | 17.9 kWh/100 km | 2,115 kg |
| AWD Performance, 20-inch | 80.8 kWh gross | 510 km | 18.4 kWh/100 km | 2,220 kg |
The Long Range adds 50 kg over the Standard Range, while the AWD Performance adds another 105 kg. Even at 2,220 kg, the Performance model stays below 19 kWh/100 km on the official cycle, although its 358 kW dual-motor system produces 660 Nm and reaches 100 km/h in 4.13 seconds.
Weight alone therefore does not explain the energy figure. Aerodynamic resistance matters more as road speed rises, especially on Australian motorways. XPENG lists a drag coefficient of 0.248 Cd for the New G6, unusually low for a tall five-seat SUV. At 100–110 km/h, air resistance consumes a much larger share of battery energy than it does in 50–60 km/h suburban traffic, so the body shape contributes more to range during interstate travel than during short urban trips.
A 525 km WLTP rating should not be read as a guaranteed 525 km between motorway charging stops. WLTP mixes different speeds and operating conditions, while a continuous 110 km/h trip keeps aerodynamic demand high for several hours.
Real Australian testing gives a useful second reference. CarExpert tested the earlier 2025 G6 Long Range across urban, suburban, rural and freeway roads and recorded 15.9 kWh/100 km against a claimed 17.5 kWh/100 km. The recorded figure was roughly 9.1% lower than the rated consumption. One road test is not a universal result, but it shows that the platform can operate in the mid-15 kWh/100 km range when weather, speed and traffic are favourable.
The 2026 model changes the battery specification substantially. The current Australian Standard Range carries a 68.5 kWh gross LFP battery, while Long Range and Performance versions use an 80.8 kWh gross LFP pack. XPENG rates the smaller-battery car for 480 km on 18-inch wheels, falling by 10 km to 470 km with 20-inch wheels. That 2.1% reduction illustrates how wheel and tyre choice can alter certified range without changing the battery or motor.
Larger wheels can increase rotational mass and rolling resistance, while wider tyre footprints can increase resistance against the road and airflow. The effect looks modest over one commute, but 2% across 20,000 km represents several hundred kilometres of equivalent energy use. Buyers prioritising efficiency over appearance therefore have a measurable reason to consider the Standard Range on its standard 18-inch setup.
Charging performance changes the ownership experience even when road consumption is similar. The 68.5 kWh Standard Range supports up to 382 kW DC charging, while the 80.8 kWh Long Range and Performance versions support up to 451 kW. XPENG states that all three can move from 10% to 80% in 12 minutes under suitable charging conditions. The official specification uses CCS2, the standard DC connector widely used on Australian public fast-charging networks.
A 10–80% session adds 70% of battery capacity. On the 80.8 kWh pack, that represents about 56.6 kWh gross; completing that change in 12 minutes requires an exceptionally high average charging rate, not merely a high short-duration peak. Charger capability, battery temperature and state of charge still matter. A 150 kW public charger cannot supply 451 kW simply because the vehicle can accept it.
The older Australian G6 provides useful context for the size of the improvement. Earlier Long Range models were rated at up to 280 kW DC and needed about 20 minutes for a 10–80% charge, while the New G6 lists 451 kW and 12 minutes. Moving from 20 to 12 minutes cuts the stated charging interval by 40%, although the result requires hardware capable of delivering sufficient voltage and power.
AC charging is less dramatic but more relevant for routine ownership. All current Australian variants support 11 kW three-phase AC charging. XPENG quotes about 7.3 hours from 5% to 100% for the Standard Range and 9.2 hours for the 80.8 kWh versions. A driver covering 50 km per day at 17 kWh/100 km would use roughly 8.5 kWh of battery energy, so overnight charging would usually replace several days of commuting rather than requiring a near-empty-to-full session.
Electricity cost can be estimated from the same consumption figures. At 17.9 kWh/100 km, 15,000 km of annual driving requires about 2,685 kWh at the vehicle's rated road consumption. At A$0.30/kWh, that is roughly A$806 before charging losses; at A$0.40/kWh, about A$1,074. If charging losses add 10%, electricity purchased from the grid would approach 2,954 kWh rather than 2,685 kWh.
For drivers comparing a suv electric car australia, those annual figures are often more useful than battery capacity alone. An 80.8 kWh battery is not automatically expensive to run if the vehicle uses fewer than 18 kWh every 100 km. Public DC charging can cost substantially more per kWh than residential electricity, so two owners travelling the same 15,000 km may have noticeably different annual costs depending on where they recharge.
Urban use gives the G6 another advantage through regenerative braking. During deceleration, the motor can return part of the car's kinetic energy to the battery instead of sending all of it into the friction brakes as heat. Recovery is never 100%, but stop-start traffic gives an EV repeated opportunities to reuse energy. A petrol SUV gets no comparable recovery when slowing from 60 km/h to zero dozens of times during a city trip.
Highway use reverses part of that advantage. There is less braking energy to recover, while aerodynamic resistance rises rapidly with speed. A driver seeing 16–18 kWh/100 km in mixed use should not assume the same figure during several hours at 110 km/h with air conditioning, four passengers and luggage. Even a 20% increase from 17.9 to around 21.5 kWh/100 km would reduce the distance obtained from each usable kilowatt-hour.
Temperature adds another layer. Australian summer conditions above 35°C require cabin cooling and battery temperature management, particularly during rapid charging. Energy consumed by those systems does not turn the wheels. The percentage penalty varies with ambient temperature, sun exposure, trip length and cabin setting, so a single fixed summer adjustment would be misleading. Short trips can show a larger proportional penalty because cabin cooling occupies more of the total energy used.
Payload has a smaller effect at steady motorway speed than aerodynamics, but it matters during repeated acceleration and climbing. The New G6 carries a quoted payload of 470–475 kg depending on version. Four adults and luggage can use a substantial share of that allowance. On hilly regional roads, extra mass increases the energy needed on climbs, although regenerative braking can recover part of the energy on descents.
Practicality does not require an unusually large battery either. The New G6 provides 571 litres of luggage capacity with the rear seats in place and 1,374 litres with them folded. The Standard Range combines that cargo space with a 480 km WLTP figure, while the Long Range raises certified distance by 45 km to 525 km. That is a 9.4% range increase from an 80.8 kWh pack rather than the 68.5 kWh unit.
The Long Range therefore suits frequent regional travel more than buyers who simply want the lowest consumption number. Standard Range on 18-inch wheels uses 16.6 kWh/100 km, 7.3% less than the Long Range's 17.9 kWh/100 km rating. The Long Range counters with an extra 45 km of certified range and the higher 451 kW maximum DC rate. Daily commuting may favour the smaller battery; repeated long-distance travel gives the larger pack more room between charging stops.
Performance buyers accept a relatively small energy penalty. The AWD version consumes 18.4 kWh/100 km versus 17.9 for Long Range RWD, an increase of about 2.8%, while output rises from 218 kW to 358 kW and 0–100 km/h falls from 6.7 seconds to 4.13 seconds. WLTP range drops from 525 km to 510 km, a reduction of only 2.9% on the official cycle.
For an Australian owner covering 300 km per week, a consumption difference of 1.8 kWh/100 km between 16.6 and 18.4 kWh/100 km equals 5.4 kWh per week. Across 52 weeks, the difference is about 281 kWh. At A$0.30/kWh, that is roughly A$84 per year before charging losses, putting the efficiency gap between the three G6 versions into a more practical household-cost scale.