Audi Q5 vs Cadillac Optiq
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.

Audi Q5
From $80,900
SUV
4-cylinder inline petrol with turbocharging and MHEV plus technology
150kW
5.7 L/100km
5★ ANCAP
520L

Cadillac Optiq
From $80,000
SUV
Electric
224kW
—
ANCAP: no data
500L
Price Breakdown
The Audi Q5 starts from $80,900 before on-road costs, while the Cadillac Optiq opens at $80,000. That makes the Cadillac Optiq the more affordable entry point by $900.
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 $88,990 and $88,000 respectively.
The Cadillac Optiq qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The Audi Q5, as a petrol model, does not qualify.
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 Audi Q5 features a 10.1-inch touchscreen paired with a 12.3-inch digital dash, while the Cadillac Optiq gets a 33-inch display and 33-inch instruments. Apple CarPlay and Android Auto are standard across both.
The Audi Q5 stands out with Bang & Olufsen audio that you will not find on the Cadillac Optiq. The Cadillac Optiq counters with head-up display, wireless charging, panoramic roof, heated front seats, ventilated seats and AKG audio. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Audi Q5 uses a 4-cylinder inline petrol with turbocharging and MHEV plus technology producing 150kW and 340Nm of torque, sent through a 7-speed s tronic to a FWD layout. It covers the 0-100km/h sprint in 8.6 seconds.
The Cadillac Optiq responds with a Electric making 224kW and 480Nm, paired to a automatic driving all four wheels. It gets to 100km/h in 4.6 seconds.
The Cadillac Optiq has the clear power advantage at 224kW vs 150kW. In the real-world sprint, the Cadillac Optiq is 4.0s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Audi Q5 measures 4,717mm long on a 2,820mm wheelbase, 236mm shorter than the Cadillac Optiq at 4,953mm (3,000mm wheelbase). The longer wheelbase on the Cadillac Optiq generally means more rear legroom.
Boot space is 520L in the Audi Q5 and 500L in the Cadillac Optiq, giving the Audi Q5 a 20L advantage.
For towing, the Cadillac Optiq leads with a 2,500kg braked capacity vs 2,000kg. That 500kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.8m to 12.6m
Based on 11.8m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 12.6m 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: 5 years / 999,999km (Audi Q5) vs 5 years / 150,000km (Cadillac Optiq). Both match on warranty length. Capped-price servicing: 5yr (Audi Q5)—.
Who Should Buy Which?
Buy the Audi Q5 if: You need more boot space, or prefer Audi's approach to design and ownership experience.
Buy the Cadillac Optiq if: You want the lower entry price, prioritise performance, need stronger towing, or prefer Cadillac's approach to design and ownership experience.
The Verdict
The Cadillac Optiq takes 4 of 5 key spec categories and comes in at a lower price. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Audi Q5 and Cadillac Optiq?
The Cadillac Optiq is the cheapest at $80,000 before on-road costs. That undercuts the Audi Q5 by $900.
Which is the most fuel-efficient?
The Audi Q5 uses the least fuel at 5.7L/100km on the combined cycle.
Which is safest?
They are evenly matched — Audi Q5 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Audi Q5 has the largest boot at 520L.
Which can tow the most?
The Cadillac Optiq has the highest braked towing capacity at 2,500kg.
Which is the most powerful?
The Cadillac Optiq makes the most power at 224kW. The Cadillac Optiq is quickest to 100km/h in 4.6s.
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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