Isuzu MU-X vs BYD Sealion 6
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 Isuzu MU-X starts from $43,900 before on-road costs, while the BYD Sealion 6 opens at $42,990. That makes the BYD Sealion 6 the more affordable entry point by $910.
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 $48,290 and $47,289 respectively.
Over 5 years, the running costs favour the BYD Sealion 6 by roughly $7,550 in fuel alone.
Safety Rundown
Both the Isuzu MU-X and BYD Sealion 6 hold a 5-star ANCAP safety rating. Adult occupant protection scored 86% for the Isuzu MU-X and 89% for the BYD Sealion 6.
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 8 in the Isuzu MU-X and 7 in the BYD Sealion 6.
Feature Showdown
The Isuzu MU-X features a 8-inch touchscreen paired with a 4.2-inch digital dash, while the BYD Sealion 6 gets a 12.8-inch display. Apple CarPlay and Android Auto are standard across both.
Drivetrain
The Isuzu MU-X uses a Diesel producing 120kW and 400Nm of torque, sent through a automatic to a RWD layout. It covers the 0-100km/h sprint in 11 seconds.
The BYD Sealion 6 responds with a Plug-in Hybrid making 160kW and 300Nm, paired to a auto driving the front wheels. It gets to 100km/h in 7.9 seconds.
The BYD Sealion 6 has the clear power advantage at 160kW vs 120kW. In the real-world sprint, the BYD Sealion 6 is 3.1s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Isuzu MU-X measures 4,860mm long on a 2,855mm wheelbase, 85mm longer than the BYD Sealion 6 at 4,775mm (2,765mm wheelbase). The longer wheelbase on the Isuzu MU-X generally means more rear legroom.
Boot space is 311L in the Isuzu MU-X and 400L in the BYD Sealion 6, giving the BYD Sealion 6 a 89L advantage. The Isuzu MU-X seats 7 vs 5.
For towing, the Isuzu MU-X leads with a 3,500kg braked capacity vs 1,000kg. That 2,500kg 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 11.6m
Based on 11.6m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.0m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $1,824/year for the Isuzu MU-X and $314/year for the BYD Sealion 6. That is a $1,510 annual difference in favour of the BYD Sealion 6.
Estimated annual total: $1,824 (Isuzu MU-X) vs $314 (BYD Sealion 6). The BYD Sealion 6 saves you roughly $1,510 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 6 years / 150,000km (Isuzu MU-X) vs 6 years / 150,000km (BYD Sealion 6). Both match on warranty length.
Who Should Buy Which?
Buy the Isuzu MU-X if: You need stronger towing, or prefer Isuzu's approach to design and ownership experience.
Buy the BYD Sealion 6 if: You want the lower entry price, prioritise performance, need more boot space, want lower running costs, or prefer BYD's approach to design and ownership experience.
The Verdict
The BYD Sealion 6 takes 5 of 6 key spec categories and comes in at a lower price. The BYD Sealion 6 will save you roughly $1,510 a year in fuel. If boot space matters, the BYD Sealion 6 has a clear edge. The best pick depends on what you value most. Explore the full specs for each model below.
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.
Published by CarSorted Editorial Team · 20 April 2026
Comments (0)
Sign in to join the conversation
No comments yet. Be the first!
