BYD Sealion 7 vs GWM Tank 300
A detailed look at how two of Australia's most popular SUVs compare on price, running costs, safety, and everyday livability.
Specifications and pricing correct at time of publishing. Prices are RRP before on-road costs unless stated otherwise. Always confirm with the manufacturer or dealer before purchasing.
Price Breakdown
The BYD Sealion 7 starts from $49,990 before on-road costs, while the GWM Tank 300 opens at $49,990. Both land at the same RRP, so on-road costs and dealer deals become the real differentiator.
Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $54,989 and $54,989 respectively.
The BYD Sealion 7 qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The GWM Tank 300, as a petrol model, does not qualify.
Safety Rundown
Both the BYD Sealion 7 and GWM Tank 300 hold a 5-star ANCAP safety rating. Adult occupant protection scored 89% for the BYD Sealion 7 and 88% for the GWM Tank 300.
Where the two diverge is in active safety technology. Both models are evenly matched with 6 out of 10 key ADAS systems.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 7 in the BYD Sealion 7 and 6 in the GWM Tank 300.
Feature Showdown
The BYD Sealion 7 features a 15.6-inch touchscreen, while the GWM Tank 300 gets a 12.3-inch display. Apple CarPlay and Android Auto are standard across both.
The BYD Sealion 7 stands out with Dynaudio audio that you will not find on the GWM Tank 300. The GWM Tank 300 counters with panoramic roof. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The BYD Sealion 7 uses a Electric producing 230kW and 380Nm of torque, sent through a auto to a RWD layout. It covers the 0-100km/h sprint in 6.7 seconds.
The GWM Tank 300 responds with a Petrol making 167kW and 387Nm, paired to a auto driving the rear wheels. It gets to 100km/h in 9.5 seconds.
The BYD Sealion 7 has the clear power advantage at 230kW vs 167kW. In the real-world sprint, the BYD Sealion 7 is 2.8s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The BYD Sealion 7 measures 4,830mm long on a 2,930mm wheelbase, 115mm longer than the GWM Tank 300 at 4,715mm (2,750mm wheelbase). The longer wheelbase on the BYD Sealion 7 generally means more rear legroom.
Boot space is 400L in the BYD Sealion 7 and 550L in the GWM Tank 300, giving the GWM Tank 300 a 150L advantage.
For towing, the GWM Tank 300 leads with a 2,000kg braked capacity vs 1,000kg. That 1,000kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.0m to 12.0m
Based on 11.0m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 12.0m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Running cost data is not yet available for both models. We will update when figures are confirmed.
Warranty: 6 years / 150,000km (BYD Sealion 7) vs 7 years / 999,999km (GWM Tank 300). The GWM Tank 300 has longer coverage.
Who Should Buy Which?
Buy the BYD Sealion 7 if: You prioritise performance, or prefer BYD's approach to design and ownership experience.
Buy the GWM Tank 300 if: You need more boot space, value a longer warranty, need stronger towing, or prefer GWM's approach to design and ownership experience.
The Verdict
The GWM Tank 300 takes 3 of 5 key spec categories. If boot space matters, the GWM Tank 300 has a clear edge. The GWM Tank 300 adds peace of mind with a longer 7-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, BYD Sealion 7 and GWM Tank 300?
The BYD Sealion 7 is the cheapest at $49,990 before on-road costs.
Which is the most fuel-efficient?
The GWM Tank 300 uses the least fuel at 9.5L/100km on the combined cycle.
Which is safest?
They are evenly matched — BYD Sealion 7 and GWM Tank 300 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The GWM Tank 300 has the largest boot at 550L.
Which can tow the most?
The GWM Tank 300 has the highest braked towing capacity at 2,000kg.
Which has the best warranty?
The GWM Tank 300 has the longest warranty at 7 years / 1000k km.
Which is the most powerful?
The BYD Sealion 7 makes the most power at 230kW. The BYD Sealion 7 is quickest to 100km/h in 6.7s.
Disclaimer: All information in this comparison was believed to be correct at the time of publishing (20 April 2026). Prices are manufacturer recommended retail prices (RRP) and may vary by state, dealer, and options. Driveaway costs include estimated on-road costs for Victoria. Fuel economy figures are WLTP/ADR combined cycle. Specifications can change without notice. Always verify with the manufacturer before making a purchase decision. CarSorted does not accept payment for recommendations.
Auto-generated from CarSorted's specification data · 20 April 2026
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