Isuzu NLR 45-150 vs Mercedes-Benz GLB
A detailed look at how two of Australia's most popular cars 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 NLR 45-150 starts from $52,900 before on-road costs, while the Mercedes-Benz GLB opens at $63,900. That makes the Isuzu NLR 45-150 the more affordable entry point by $11,000.
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 $58,190 and $70,290 respectively.
Over 5 years, the running costs favour the Mercedes-Benz GLB by roughly $5,700 in fuel alone.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Feature Showdown
The Isuzu NLR 45-150 features a 10.1-inch touchscreen, while the Mercedes-Benz GLB gets a 10.3-inch display. Apple CarPlay and Android Auto are standard across both.
The Mercedes-Benz GLB counters with heated front seats and ambient lighting that the Isuzu NLR 45-150 does not offer. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Isuzu NLR 45-150 uses a Diesel producing 110kW and 375Nm of torque, sent through a manual to a RWD layout.
The Mercedes-Benz GLB responds with a Petrol making 120kW and 250Nm, paired to a automatic driving the front wheels. It gets to 100km/h in 9.4 seconds.
The Mercedes-Benz GLB has the clear power advantage at 120kW vs 110kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Isuzu NLR 45-150 measures 4,735mm long on a 2,490mm wheelbase, 101mm longer than the Mercedes-Benz GLB at 4,634mm (2,829mm wheelbase). The longer wheelbase on the Mercedes-Benz GLB generally means more rear legroom.
For towing, the Isuzu NLR 45-150 leads with a 4,000kg braked capacity vs 1,600kg. That 2,400kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
9.8m to 11.6m
Based on 9.8m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.6m 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 $2,993/year for the Isuzu NLR 45-150 and $1,853/year for the Mercedes-Benz GLB. That is a $1,140 annual difference in favour of the Mercedes-Benz GLB.
Estimated annual total: $2,993 (Isuzu NLR 45-150) vs $1,853 (Mercedes-Benz GLB). The Mercedes-Benz GLB saves you roughly $1,140 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 6 years / 250,000km (Isuzu NLR 45-150) vs 5 years / 999,999km (Mercedes-Benz GLB). The Isuzu NLR 45-150 has longer coverage.
Who Should Buy Which?
Buy the Isuzu NLR 45-150 if: You want the lower entry price, value a longer warranty, need stronger towing, or prefer Isuzu's approach to design and ownership experience.
Buy the Mercedes-Benz GLB if: You prioritise performance, want lower running costs, or prefer Mercedes-Benz's approach to design and ownership experience.
The Verdict
The Isuzu NLR 45-150 takes 3 of 5 key spec categories and comes in at a lower price. The Mercedes-Benz GLB will save you roughly $1,140 a year in fuel. The Isuzu NLR 45-150 adds peace of mind with a longer 6-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Isuzu NLR 45-150 and Mercedes-Benz GLB?
The Isuzu NLR 45-150 is the cheapest at $52,900 before on-road costs. That undercuts the Mercedes-Benz GLB by $11,000.
Which is the most fuel-efficient?
The Mercedes-Benz GLB uses the least fuel at 6.5L/100km on the combined cycle.
Which is safest?
They are evenly matched — Mercedes-Benz GLB all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which can tow the most?
The Isuzu NLR 45-150 has the highest braked towing capacity at 4,000kg.
Which has the best warranty?
The Isuzu NLR 45-150 has the longest warranty at 6 years / 250k km.
Which is the most powerful?
The Mercedes-Benz GLB makes the most power at 120kW.
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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