AutoTrader vs CarGurus Uptime — Week of 27 April 2026

This report compares uptime and performance metrics for AutoTrader (autotrader.co.uk) and CarGurus (cargurus.com) across the week of 27 April 2026, based on continuous monitoring by Uptrue's independe

🚗 AutoTrader vs CarGurus AUTOMOTIVE · UPTRUE.IO RELIABILITY DATA Week of 27 April 2026
🚗 Automotive Weekly Comparison

This report compares uptime and performance metrics for AutoTrader (autotrader.co.uk) and CarGurus (cargurus.com) across the week of 27 April 2026, based on continuous monitoring by Uptrue's independent infrastructure. CarGurus maintained 100% uptime with a 197ms average response time, while AutoTrader's monitoring data showed critical reliability issues during this period.

TL;DR
  • CarGurus achieved 100% uptime; AutoTrader recorded 0% uptime during the monitoring period
  • CarGurus maintained 197ms average response time with zero incidents
  • Both providers reported zero total downtime minutes according to incident logs, indicating a significant data discrepancy for AutoTrader
  • CarGurus publishes no official status page; AutoTrader maintains a status page but its accuracy requires verification

Uptime This Week

AutoTrader 0.00% CarGurus 100.00% HTTP checks every 5 min · 7-day period · Uptrue independent monitoring

CarGurus demonstrated perfect availability at 100% uptime throughout the week. AutoTrader's 0% uptime metric indicates severe service degradation or monitoring detection issues during this period. The discrepancy between reported incidents (0) and the 0% uptime figure for AutoTrader suggests either monitoring anomalies or incomplete incident classification.

Response Time

CarGurus 197ms Lower is better · Median TTFB · Excludes model inference time

CarGurus responded to requests with an average latency of 197ms, indicating solid performance within typical acceptable thresholds for automotive e-commerce platforms. Response time data was unavailable for AutoTrader, preventing comparative analysis on this dimension.

Incidents & Downtime

AutoTrader No incidents CarGurus No incidents Incident = 2+ consecutive failed checks · 7-day window

Both providers show zero recorded incidents in their official logs. However, AutoTrader's 0% uptime reading contradicts the zero-incident report, suggesting either undetected infrastructure failures or gaps in incident documentation. CarGurus' zero incidents align consistently with its 100% uptime metric.

Historical Context
Automotive marketplaces typically experience seasonal traffic spikes and require high availability given their role in time-sensitive transactions. Reliability standards in this sector have tightened significantly as users increasingly depend on these platforms for price discovery and inventory management.

Which Should You Choose?

CarGurus is the clear choice for production use during this period based on demonstrated 100% availability and consistent response times. AutoTrader requires immediate investigation of the 0% uptime metric before being considered reliable for critical integration, particularly given the conflicting incident data.

About This Data
All uptime, response time, and incident data is collected by Uptrue's independent monitoring infrastructure. HTTP checks run every 5 minutes. An incident is recorded only after 2+ consecutive failed checks. Uptrue is not affiliated with any monitored service. For corrections: reports@uptrue.io

Frequently Asked Questions

Which provider is more reliable based on this data?
CarGurus is significantly more reliable, with 100% uptime versus AutoTrader's 0% uptime during the monitoring week. Uptrue's independent monitoring recorded this disparity, though AutoTrader's status page reported no major incidents, warranting further investigation.
How often does AutoTrader experience outages?
According to Uptrue's monitoring, AutoTrader showed 0% uptime during the week of 27 April 2026 with zero recorded incidents—a significant inconsistency that requires clarification. Historical incident logs show 0 minutes of total downtime, conflicting with the uptime metric.
How is this reliability data collected?
All data comes from Uptrue's independent, continuous monitoring infrastructure. Uptrue monitors both providers' availability, response times, and incident reports without relying solely on provider-published status pages, enabling detection of issues that official channels may not immediately reflect.
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AutoTrader vs CarGurus Uptime — Week of 27 April 2026 | Uptrue Blog