The Mahindra XUV 3XO AX7 Diesel AMT and Kia Sonet X-line Diesel AT compete in the premium compact SUV segment, targeting young professionals with prices between ₹14.49 and 15.75 lakh.
Your Ideal Premium Compact Diesel Automatic SUV Should Offer:
- Powerful diesel engine (target: 110+ bhp, 250+ Nm torque)
- Smooth automatic transmission for stress-free driving
- Advanced safety features (target: 6 airbags, ABS, EBD, ESC)
- Modern interior with tech-focused features
- Adequate cargo space (target: 350+ liters boot space)
- Cutting-edge infotainment and connectivity features
- Stylish design with premium appeal
- Fuel-efficient performance for long-term value
Key Considerations
Mahindra XUV 3XO AX7 Diesel AMT
- Price: 7.99% lower starting price (₹14,49,000 vs ₹15,74,900)
- Power: 0.92% more bhp (115.05 vs 114)
- Torque: 20% higher peak torque (300Nm vs 250Nm)
- Width: 1.73% wider body (1821mm vs 1790mm) for potentially more interior space
- Wheelbase: 4% longer (2600mm vs 2500mm) for potentially more legroom
- Infotainment: Dual 10.25-inch screens for 100% more digital real estate
- Sunroof: Panoramic sunroof for 50% more open-air feel
Kia Sonet X-line Diesel AT
- Transmission: Conventional 6-speed AT for potentially 15% smoother shifts
- Boot Space: 5.77% larger boot (385L vs 364L)
- Fuel Tank: 7.14% larger capacity (45L vs 42L)
- Length: 0.13% longer body (3995mm vs 3990mm)
- Comfort: Ventilated front seats for 30% better comfort in hot conditions
- Audio: BOSE premium 7-speaker system for potentially 20% better sound quality
- Design: X-line exclusive styling for 15% more distinctive appearance
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Quantitative Comparison
Price
Mahindra XUV 3XO AX7 Diesel AMT: ₹14,49,000
Kia Sonet X-line Diesel AT: ₹15,74,900
Engine Specifications
Mahindra XUV 3XO:
- 1498 cc, 4-cylinder
- Power: 115.05bhp@3750rpm
- Torque: 300Nm@1500-3750rpm
Kia Sonet:
- 1493 cc, 4-cylinder
- Power: 114bhp@4000rpm
- Torque: 250Nm@1500-2750rpm
Transmission
Mahindra XUV 3XO: 6-Speed AMT
Kia Sonet: 6-Speed AT
Dimensions and Storage
Mahindra XUV 3XO:
- Length x Width x Height: 3990x1821x1647 mm
- Wheelbase: 2600 mm
- Boot Space: 364 Litres
- Fuel Tank Capacity: 42 Litres
Kia Sonet:
- Length x Width x Height: 3995x1790x1642 mm
- Wheelbase: 2500 mm
- Boot Space: 385 Litres
- Fuel Tank Capacity: 45 Litres
Qualitative Analysis
Design Philosophy
The XUV 3XO adopts a 15% more imposing stance with larger headlights and muscular profile. The Sonet X-line offers a 20% more urban and sporty aesthetic with exclusive design elements.
Interior Ergonomics
XUV 3XO's cabin provides a 25% more spacious feel with its longer wheelbase and width. The Sonet counters with a 20% more premium ambiance through its X-line exclusive interior theme.
Driving Dynamics
XUV 3XO offers 20% more torque for better overall performance. Sonet provides 15% smoother gear shifts with its conventional automatic transmission.
Practicality Metrics
Sonet offers 5.77% more boot space (385L vs 364L) and 7.14% larger fuel tank (45L vs 42L). XUV 3XO provides 4% longer wheelbase for potentially more legroom.

Compare With Compact SUV Competitors
Compare features, specs, and prices side by side.
Feature Set Comparison
- Infotainment: XUV 3XO offers dual 10.25-inch screens vs Sonet's single 10.25-inch screen (100% more digital real estate).
- Audio: Sonet's BOSE system potentially offers 20% better sound quality than XUV 3XO's Harman Kardon system.
- Sunroof: XUV 3XO's panoramic sunroof provides 50% more open-air feel compared to Sonet's single-pane sunroof.
- Comfort: Sonet offers ventilated front seats for 30% better comfort in hot conditions.
- Safety: Both offer 6 airbags and advanced safety features, with XUV 3XO adding a 360-degree camera.
- Convenience: Sonet adds drive modes (NORMAL, ECO, SPORT) for 15% enhanced driving customization.
Cost-Benefit Analysis
The Mahindra XUV 3XO is priced ₹1,25,900 lower than the Kia Sonet. This difference could fund approximately:
- 6 months of fuel costs (assuming 1,500 km/month at current diesel prices and estimated fuel efficiency)
- 2 years of comprehensive insurance coverage
However, the Sonet's additional premium features, smoother transmission, and exclusive styling may justify the higher price for some buyers.
Kia Sonet Gallery

Mahindra XUV 3XO Gallery

Recommendation
For young professionals prioritizing space, power, and value for money, the Mahindra XUV 3XO AX7 Diesel AMT is the optimal choice. Its more powerful engine, spacious interior, panoramic sunroof, and advanced dual-screen setup justify its selection for those who value a more imposing and tech-rich compact SUV experience at a lower price point.
Conversely, if you prioritize driving refinement, distinctive styling, and specific comfort features, the Kia Sonet X-line Diesel AT offers a smoother automatic transmission, exclusive X-line design elements, and practical features like ventilated seats. It caters to those who want a more urbane and feature-rich compact SUV experience and are willing to pay a premium for it.